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Waterproofing

158 products

  • 15 L Pail Gripset Betta Bitumen Rubber Waterproofing Membrane – Flexible Barrier for Wet Areas & Below Grade

    Swadlings Timber & Hardware 15 L Pail Gripset Betta Bitumen Rubber Waterproofing Membrane – Flexible Barrier for Wet Areas & Below Grade

    Gripset Betta Bitumen Rubber Waterproofing Membrane is a flexible, water-based coating for internal wet areas and external below-grade works. Supplied in a 15 L pail, it forms a seamless, durable barrier over concrete, masonry, and FC sheeting. Low odour and easy to apply by brush, roller, or trowel, it’s suitable for bathrooms, laundries, retaining walls, planter boxes, and more. Once cured, it resists ponding and accommodates movement. Compatible with most tile adhesives when used as part of a compliant system.

    $134.95

  • ARDEX 98 S Solvent Primer – 20L

    Sydney Hardware ARDEX 98 S Solvent Primer – 20L

    ARDEX 98 S Solvent is a professional‑grade solvent for thinning compatible ARDEX primers and cleaning tools and equipment after application. The fast‑acting formula helps maintain roller, brush, and spray performance while ensuring consistent primer results. Supplied in a 20L trade pack for larger sites and ongoing maintenance. Suitable for use with ARDEX waterproofing and flooring primer systems; always follow the relevant product data sheets and site safety procedures.

    $201.00

  • ARDEX Bituminous Roof Sealant

    Sydney Hardware ARDEX Bituminous Roof Sealant

    A durable ARDEX bituminous roof sealant formulated for flexible, weather‑resistant repairs on roofs, gutters, flashings, and penetrations. Bonds to a wide range of common roofing substrates to provide a watertight seal against rain and splashes. Ideal for patching cracks, seams, and laps during maintenance or as part of a wider waterproofing system. Suitable for trades and maintenance teams seeking a dependable solution for fast, lasting roof repairs.

    $23.40

  • ARDEX Multiprime – 1L

    Sydney Hardware ARDEX Multiprime – 1L

    ARDEX MULTIPRIME is a water‑based primer designed to seal porous substrates and improve adhesion of subsequent waterproofing membranes, underlayments, and adhesives. The low‑odour formula is easy to apply by brush or roller and dries quickly for efficient workflow. Ideal for internal applications on concrete, renders, and fibre cement sheeting before ARDEX systems. The 1L pack suits small rooms, detailing, and repair work. Always follow ARDEX data sheets and surface preparation guidelines.

    $24.55

  • ARDEX Multiprime – 20L

    Sydney Hardware ARDEX Multiprime – 20L

    ARDEX MULTIPRIME is a water‑based, low‑odour primer that seals porous substrates and promotes adhesion of ARDEX membranes and flooring systems. Quick drying to streamline project timelines, it’s ideal on concrete, render, and fibre cement sheeting. The 4L size suits bathrooms, kitchens, and medium‑sized areas. Apply to properly prepared, clean, and sound surfaces for best results. Refer to ARDEX product data for coverage rates, compatibility, and drying times before overcoating.

    $63.85

  • ARDEX Multiprime – 4L

    Sydney Hardware ARDEX Multiprime – 4L

    ARDEX MULTIPRIME is a fast‑drying, water‑based primer for sealing porous substrates prior to membranes, levellers, and adhesives. It reduces porosity for more consistent coverage and improved bond. Ideal for concrete, render, screeds, and fibre cement in preparation for ARDEX waterproofing and flooring systems. The 20L trade pack is suited to larger areas and commercial projects. Apply by brush or roller to clean, sound surfaces following ARDEX technical guidance and safety procedures.

    $256.00

  • ARDEX P51 – 5L

    Sydney Hardware ARDEX P51 – 5L

    ARDEX P 51 is a versatile water‑based primer and bonding agent that improves adhesion and regulates absorbency on suitable substrates. Ideal under ARDEX self‑levelling compounds, membranes, and adhesives on concrete, screeds, and porous surfaces. Low odour and easy to apply by brush or roller, it helps achieve even coverage and consistent results. The 5L pack suits small to medium projects. Always consult ARDEX data sheets for surface prep, dilution, and recoat times.

    $139.85

  • ARDEX STB15-75 Fabric Roll For Waterproofing

    Sydney Hardware ARDEX STB15-75 Fabric Roll For Waterproofing

    ARDEX STB 15/75 is a self‑adhesive butyl fabric tape for detailing, crack bridging, and joint reinforcement in ARDEX waterproofing systems. The 75 mm x 15 m roll bonds to most common substrates and forms a flexible, watertight seal around corners, upstands, and penetrations. Ideal for bathrooms, balconies, and wet areas. Quick to apply and compatible with ARDEX membranes, it improves durability and movement tolerance at critical junctions. Follow ARDEX installation guidance.

    $79.75

  • ARDEX WPM 157 – 15L

    Sydney Hardware ARDEX WPM 157 – 15L

    ARDEX WPM 157 is a two‑component, water‑based epoxy membrane designed as a moisture and vapour barrier within ARDEX waterproofing and flooring systems. Supplied as a 20kg/15L kit, it offers excellent adhesion to prepared substrates and low VOC application. Ideal for internal concrete and masonry where moisture control is critical prior to subsequent finishes. Use as per ARDEX specifications, ensuring correct mixing, coverage, and cure times for reliable, long‑term performance.

    $304.00

  • ARDEX WPM002 Waterproofing Kit – 20kg + 20kg

    Sydney Hardware ARDEX WPM002 Waterproofing Kit – 20kg + 20kg

    ARDEX WPM002 is a flexible, two-component, water-based Class III membrane for under-tile and wet area waterproofing. Supplied as a 20kg + 20kg kit, it delivers excellent crack-bridging, fast recoat times and reliable adhesion to primed concrete, render and fibre cement. Ideal for bathrooms, laundries, showers and balconies prior to tiling. Low odour and easy to apply by brush or roller, it meets Australian standards for internal and external wet areas. Use with ARDEX accessories and tapes for a complete, durable waterproofing system.

    $379.50

  • ARDEX WPM155 Waterproof – 15L

    Sydney Hardware ARDEX WPM155 Waterproof – 15L

    ARDEX WPM155 is a rapid-drying, water-based Class III waterproofing membrane ideal for internal and external wet areas. The 15L pail provides excellent coverage for bathrooms, showers, balconies and wet rooms before tiling. It offers high flexibility, crack-bridging capability and low odour application by brush, roller or spray. Suitable over properly prepared concrete, screeds and fibre cement, it delivers quick turnaround between coats and tiling. Use with ARDEX primers, bond breakers and tapes for a robust, compliant waterproofing system.

    $228.95

  • ARDEX WPM155 Waterproof – 4L

    Sydney Hardware ARDEX WPM155 Waterproof – 4L

    ARDEX WPM155 is a fast-drying, water-based Class III membrane for reliable waterproofing in internal and external wet areas. The 4L pail suits smaller projects and detailing on bathrooms, showers, laundries and balconies prior to tiling. It provides excellent flexibility, crack-bridging and strong adhesion to primed concrete, cement screeds and fibre cement sheeting. Low odour and easy to apply by brush or roller, it enables quick recoat and tiling times. Combine with ARDEX primers and accessories for a complete compliant system.

    $105.80

  • Alcor Standard Dampcourse 110mm x 10m

    Builders Mitre 10 Alcor Standard Dampcourse 110mm x 10m

    The Alcor DPC Bitumen Coated Aluminium concrete formwork is engineered to provide the strength and durability essential for most construction projects. Featuring a trim release on all sides, this formwork is designed for ease of use and efficiency. The surface is constructed from 1.5 mm aluminium and is coated with bitumen, enhancing the product's performance and extending its lifespan. The bitumen coating ensures that the product is not affected by lime, making it easy to dress and maintain. With excellent shape retention and resistance to lime, the Alcor DPC Bitumen Coated Aluminium formwork stands out as a reliable choice for construction professionals. Its robust design and high-quality materials ensure that it can withstand the rigors of demanding construction environments, providing long-lasting service and consistent results. Features Easy to dress Good shape retention Not affected by lime as it is coated with bitumen

    $16.95

  • Alcor Standard Dampcourse 110mm x 30m

    Builders Mitre 10 Alcor Standard Dampcourse 110mm x 30m

    The Alcor Standard is a bitumen-coated, fully annealed, 99% pure aluminium core dampcourse. This product features an aluminium core that is entirely coated with bitumen, making it impervious to moisture and resistant to lime or cement. The edges are coated for additional protection, and it is easily dressed, strong, creep-free, and pliable, allowing it to be bent without fracturing. Additionally, it will not stain brickwork and is non-slip, light, and easy to handle. The Alcor Standard is available in a range of widths and thicknesses to suit various applications. The Alcor Standard complies with the Australian Standard AS/NZS 2904:1986 and is available in 10-metre and 30-metre rolls. Standard Alcor (0.3mm) is available in widths of 110mm, 230mm, 300mm, 350mm, 380mm, 450mm, and 600mm. For special orders, Super Alcor (0.45mm) is also available. Please contact our office for more information. Features Easy to dress Good shape retention Not affected by lime as it is coated with bitumen

    $51.95

  • Alcor Standard Dampcourse 150mm x 10m

    Builders Mitre 10 Alcor Standard Dampcourse 150mm x 10m

    The Alcor aluminum dampcourse 150mm x 10m is designed for ease of use and durability. It is easy to dress and retains its shape well. The bitumen coating ensures it is not affected by lime, making it a reliable choice for various construction needs. ALCOR STANDARD features a bitumen-coated, fully annealed, 99% pure aluminum core. This dampcourse is impervious to moisture and resistant to lime or cement. The edges are coated for added protection, and it is easily dressed, strong, and pliable. It can be bent without fracturing and will not stain brickwork. Additionally, it is non-slip, lightweight, and easy to handle. Available in a range of widths and thicknesses, ALCOR complies with Australian Standard AS/NZS 2904: 1986. It is available in 10-meter and 30-meter rolls. Standard Alcor (0.3mm) is available in widths of 110mm, 230mm, 300mm, 350mm, 380mm, 450mm, and 600mm. Super Alcor (0.45mm) is also available for special order. Please contact our office for more information. Features Easy to dress and retains shape well Impervious to moisture and resistant to lime Available in various widths and thicknesses

    $24.00

  • Alcor Standard Dampcourse 150mm x 30m

    Builders Mitre 10 Alcor Standard Dampcourse 150mm x 30m

    Alcor is a high-quality dampcourse featuring a bitumen-coated, fully annealed, 99% pure aluminium core. The aluminium core is entirely coated with bitumen, making it impervious to moisture and resistant to lime or cement. This product is edge-coated, easily dressed, and offers a strong, creep-free, and pliable solution that can be bent without fracturing. Additionally, it will not stain brickwork, is non-slip, lightweight, and easy to handle. Alcor is available in a range of widths and thicknesses to suit various construction needs. Alcor complies with the Australian Standard AS / NZS 2904: 1986 and is available in 10 metre and 30 metre rolls. Standard Alcor (0.3mm) is available in widths of 110mm, 230mm, 300mm, 350mm, 380mm, 450mm, and 600mm. For special orders, Super Alcor (0.45mm) is also available. Please contact our office for more information. Features High-quality bitumen-coated aluminium core Complies with Australian Standard AS / NZS 2904: 1986 Available in various widths and thicknesses

    $69.95

  • Alcor Standard Dampcourse 230mm x 30m

    Builders Mitre 10 Alcor Standard Dampcourse 230mm x 30m

    Alcor is a versatile material used as a damp proof course, window, and door flashing. ALCOR STANDARD is a bitumen-coated, fully annealed, 99% pure aluminium core dampcourse. The aluminium core is entirely coated with bitumen, making it impervious to moisture and unaffected by lime or cement. It is edge-coated, easily dressed, strong, creep-free, and pliable, allowing it to be bent without fracturing. Additionally, it will not stain brickwork, is non-slip, light, and easily handled. It is available in a range of widths and thicknesses to suit various applications. ALCOR complies with Australian Standard AS / NZS 2904: 1986 and is available in 10 metre and 30 metre rolls. Standard Alcor (0.3mm) is available in widths of 110mm, 230mm, 300mm, 350mm, 380mm, 450mm, and 600mm. For special orders, Super Alcor (0.45mm) is also available. Please contact our office for more information. Features Impervious to moisture Strong and pliable Available in various widths and thicknesses

    $115.00

  • Alcor Standard Dampcourse 300mm x 30m

    Builders Mitre 10 Alcor Standard Dampcourse 300mm x 30m

    Introducing the 300mm x 30m Alcor , a bitumen-coated aluminium of standard grade, specifically designed for use as a dampcourse. This product is not suitable for exposed flashing but is easily dressed and formed to meet your construction needs. The ALCOR STANDARD is a fully annealed, 99% pure aluminium core dampcourse, completely coated with bitumen to ensure it is impervious to moisture and unaffected by lime or cement. The edges are coated for additional protection, and the material is strong, creep-free, and pliable, allowing it to be bent without fracturing. It will not stain brickwork and is non-slip, lightweight, and easy to handle. Available in a range of widths and thicknesses, ALCOR complies with Australian Standard AS/NZS 2904:1986. The ALCOR is available in 10-metre and 30-metre rolls. Standard Alcor (0.3mm) is offered in various widths: 110mm, 230mm, 300mm, 350mm, 380mm, 450mm, and 600mm. For special orders, Super Alcor (0.45mm) is also available. Please contact our office for more information. Features Impervious to moisture and unaffected by lime or cement. Strong, creep-free, and pliable, allowing for easy bending without fracturing. Non-slip, lightweight, and easy to handle.

    $142.00

  • Alcor Standard Dampcourse 350mm x 10m

    Builders Mitre 10 Alcor Standard Dampcourse 350mm x 10m

    Introducing Alcor , a bitumen-coated, fully annealed damp course made from 99% pure aluminium. The aluminium core is meticulously coated with bitumen on both sides and edges to prevent lateral corrosion, ensuring long-lasting durability. Designed for use in brickwork and blockwork, Alcor is impervious to moisture, providing an effective barrier against rising dampness. Additionally, it is resistant to the effects of lime and cement, making it a reliable choice for various construction projects. Alcor offers several key benefits that make it an excellent choice for your building needs. It is light and easily handled, strong, pliable, and creepfree. Furthermore, it will not stain brickwork, ensuring a clean and professional finish. The non-slip surface adds an extra layer of safety during installation. Features Light and easily handled Strong, pliable, creepfree Will not stain brickwork Impervious to moisture

    $55.00

  • Alcor Standard Dampcourse 350mm x 30m

    Builders Mitre 10 Alcor Standard Dampcourse 350mm x 30m

    The Spot-on Pro Indoor Elevating Tripod is designed for indoor use with crossline and multi-line lasers. Featuring anodized legs and extension poles, this tripod can achieve a maximum height of 2950mm. The tripod includes 2x height extension poles and is equipped with extendable legs and neck, making it versatile for various applications. With a minimum height of 650mm, the tripod is adaptable to different working environments. It comes with a 5/8" x 11 thread and a 1/4" thread, along with an included adaptor, ensuring compatibility with a wide range of devices. The ALCOR STANDARD Alcor is a high-quality dampcourse made from a bitumen-coated, fully annealed, 99% pure aluminium core. This product is impervious to moisture and unaffected by lime or cement, making it a reliable choice for construction projects. The aluminium core is completely coated with bitumen, providing additional durability and protection. Alcor is strong, creepfree, and pliable, allowing it to be bent without fracturing. It will not stain brickwork and is non-slip, light, and easy to handle. Available in a range of widths and thicknesses, Alcor complies with Australian Standard AS / NZS 2904: 1986 and is offered in 10 metre and 30 metre rolls. Standard Alcor (0.3mm) is available in various widths, and Super Alcor (0.45mm) is available for special order. Features 5/8" x 11 thread & 1/4" thread (with included adaptor) 650mm minimum height 2950mm maximum height

    $165.00

  • Alcor Standard Dampcourse 450mm x 30m

    Builders Mitre 10 Alcor Standard Dampcourse 450mm x 30m

    Alcor is a bitumen-coated, fully annealed, 99% pure aluminium core dampcourse. The aluminium core is entirely coated with bitumen, making it impervious to moisture and unaffected by lime or cement. The edges are coated for additional protection, and the material is easily dressed, strong, creep-free, and pliable, allowing it to be bent without fracturing. It will not stain brickwork, is non-slip, light, and easily handled. Alcor is available in a range of widths and thicknesses to suit various applications. Alcor complies with Australian Standard AS / NZS 2904: 1986 and is available in 10 metre and 30 metre rolls. Standard Alcor (0.3mm) is available in widths of 110mm, 230mm, 300mm, 350mm, 380mm, 450mm, and 600mm. Super Alcor (0.45mm) is also available for special order. Please contact our office for more information. Features Competitive pricing for bulk orders Special discounts for long-term contracts Contact us for a detailed quote

    $215.00

  • Alcor Standard Dampcourse 600mm x 30m

    Builders Mitre 10 Alcor Standard Dampcourse 600mm x 30m

    Alcor Standard Dampcourse delivers dependable moisture protection with a durable, flexible membrane. Suitable for a range of building applications, it ensures effective damp-proofing in Australian residential and light commercial construction.

    $285.00

  • Alcor Super Dampcourse 230mm x 30m

    Builders Mitre 10 Alcor Super Dampcourse 230mm x 30m

    Alcor Super Dampcourse provides superior damp-proofing performance with enhanced durability. Designed for easy application, it effectively prevents moisture ingress in residential and light commercial construction projects across Australia.

    $165.00

  • Alcor Super Dampcourse 300mm x 30m

    Builders Mitre 10 Alcor Super Dampcourse 300mm x 30m

    Alcor Super Dampcourse offers robust protection against moisture penetration with a high-quality, durable material. Its ease of installation makes it ideal for residential and light commercial use in Australian construction.

    $215.00

  • Ardex WPM 909 Water-Based Acrylic Traffic Membrane – 15L – Grey

    Sydney Hardware Ardex WPM 909 Water-Based Acrylic Traffic Membrane – 15L – Grey

    Ardex WPM 909 is a water-based acrylic, trafficable membrane designed for durable waterproofing on balconies, podiums, roofs and terraces. The grey finish provides UV stability and a neat appearance. Low odour and low VOC, it applies easily by brush, roller or spray and cures to a flexible, seamless barrier that withstands intermittent foot traffic. Suitable over concrete, screeds and fibre cement. Ideal for construction and remedial works where rapid return-to-service, crack-bridging performance and long-term weather resistance are required.

    $426.50

  • Bitumen Paint

    Pronto Building Supplies Bitumen Paint

    Versatile bitumen paint providing a tough, black protective coating for metal, roofing, timber, and masonry. Helps shield surfaces from moisture and weathering, extending service life. Ideal for gutters, posts, tanks, and foundations. Easy to apply with brush or roller for general maintenance and repair.

    $73.06

  • Bitumen Waterproofer – 20L

    Pronto Building Supplies Bitumen Waterproofer – 20L

    Large 20L bitumen waterproofer forming a flexible, waterproof barrier on roofs, retaining walls, and foundations. Provides robust protection against water ingress and weather exposure. Suitable for new works and remedial applications on concrete, masonry, and metal. A trade‑size solution for durable waterproofing and maintenance.

    $262.83

  • Bondall Paving & Concrete Sealer 10L

    Builders Mitre 10 Bondall Paving & Concrete Sealer 10L

    Introducing the Bondall Paving & Concrete Sealer , a high-performance, water-based clear finish designed for coating concrete pavers, concrete floors, natural stone surfaces, and most slate. This sealer offers exceptional protection against staining and soiling, ensuring your surfaces remain pristine. The hard, durable coating not only enhances the surface but also reduces staining, making it an ideal choice for both interior and exterior applications. The Bondall Paving & Concrete Sealer is formulated with natural UV resistance, which helps to maintain the integrity of the surface over time. Additionally, it acts as an anti-slip additive, providing an extra layer of safety. This sealer will dust proof, stabilize, and enhance the natural color of the substrate, making it a versatile solution for various surfaces. Features Water-based with clear film-forming finish Hard, durable coating Surface enhancing and reduces staining Has natural UV resistance and helps act as an anti-slip additive

    $159.00

  • Bondall Sealer for Paving Concrete Surfaces Matt 10L

    Builders Mitre 10 Bondall Sealer for Paving Concrete Surfaces Matt 10L

    Protect and enhance hard surfaces with a premium paving and concrete sealer designed for long-lasting performance. This clear, water-resistant formula penetrates deeply to seal porous surfaces, helping to reduce staining, repel moisture, and resist oil, dirt, and grime. Ideal for driveways, paths, patios, and outdoor entertaining areas, it delivers a durable finish that helps preserve the natural look of masonry while making cleaning and ongoing maintenance easier. Engineered for reliability, this sealer offers excellent adhesion and wear resistance on a range of mineral substrates, including concrete, pavers, and masonry. Its quick-drying, easy-to-apply formula supports efficient project timelines—perfect for DIYers and professionals alike. Once cured, it helps protect against UV exposure and weathering, assisting in minimising fading and surface degradation over time. Benefits include: Durable, protective barrier against water ingress, stains, and contaminants Helps maintain surface appearance and extend service life Suitable for interior and exterior applications on concrete and paving Fast-drying, low-fuss application with brush, roller, or sprayer UV and weather resistance for long-term performance Assists with easier cleaning and maintenance Preparation is key: ensure surfaces are clean, dry, and free from efflorescence, mould, oil, or loose material before application. Apply in thin, even coats, allowing appropriate drying time between coats for optimal sealing and finish. Always test on a small, inconspicuous area to confirm suitability and appearance. Ideal for residential and commercial projects, this versatile sealing solution helps deliver a professional finish and dependable protection to concrete and paving surfaces.

    $159.00

  • Bondall Sealer for Paving Concrete Surfaces Satin 10L

    Builders Mitre 10 Bondall Sealer for Paving Concrete Surfaces Satin 10L

    Protect and enhance hard surfaces with a premium paving and concrete sealer designed for long-lasting performance. This clear, water-resistant formula penetrates deeply to seal porous surfaces, helping to reduce staining, repel moisture, and resist oil, dirt, and grime. Ideal for driveways, paths, patios, and outdoor entertaining areas, it delivers a durable finish that helps preserve the natural look of masonry while making cleaning and ongoing maintenance easier. Engineered for reliability, this sealer offers excellent adhesion and wear resistance on a range of mineral substrates, including concrete, pavers, and masonry. Its quick-drying, easy-to-apply formula supports efficient project timelines—perfect for DIYers and professionals alike. Once cured, it helps protect against UV exposure and weathering, assisting in minimising fading and surface degradation over time. Benefits include: Durable, protective barrier against water ingress, stains, and contaminants Helps maintain surface appearance and extend service life Suitable for interior and exterior applications on concrete and paving Fast-drying, low-fuss application with brush, roller, or sprayer UV and weather resistance for long-term performance Assists with easier cleaning and maintenance Preparation is key: ensure surfaces are clean, dry, and free from efflorescence, mould, oil, or loose material before application. Apply in thin, even coats, allowing appropriate drying time between coats for optimal sealing and finish. Always test on a small, inconspicuous area to confirm suitability and appearance. Ideal for residential and commercial projects, this versatile sealing solution helps deliver a professional finish and dependable protection to concrete and paving surfaces.

    $159.00

  • Bondall Silasec Waterproofer Waterproofing Treatment 1L

    Builders Mitre 10 Bondall Silasec Waterproofer Waterproofing Treatment 1L

    Discover a concentrated liquid waterproofing compound designed to be combined with Portland type GP cement to create a permanent waterproofing barrier on masonry and concrete structures and floors. Versatile and reliable, it’s suitable for above and below-ground applications, and performs equally well for interior and exterior projects. Ideal for a wide range of uses, including fishponds, pools, weeping surfaces, concrete water tanks, septic tanks, retaining walls, and concrete floors. It also functions as a waterproofing admix for renders above or below ground level and is safe for potable drinking water systems. Count on robust, long-lasting protection that helps prevent moisture ingress and extends the life of your surfaces. Still not sure? For more information, see the following Waterproofing Guide. Features Forms a permanent waterproofing barrier Waterproofs cement repair putty For above or below-ground applications Suitable for interior or exterior use Safe for potable water when used as directed

    $29.95

  • Bondall Silasec Waterproofer Waterproofing Treatment 2L

    Builders Mitre 10 Bondall Silasec Waterproofer Waterproofing Treatment 2L

    Discover a concentrated liquid waterproofing compound designed to be combined with Portland type GP cement to create a permanent waterproofing barrier on masonry and concrete structures and floors. Versatile and reliable, it’s suitable for above and below-ground applications, and performs equally well for interior and exterior projects. Ideal for a wide range of uses, including fishponds, pools, weeping surfaces, concrete water tanks, septic tanks, retaining walls, and concrete floors. It also functions as a waterproofing admix for renders above or below ground level and is safe for potable drinking water systems. Count on robust, long-lasting protection that helps prevent moisture ingress and extends the life of your surfaces. Still not sure? For more information, see the following Waterproofing Guide. Features Forms a permanent waterproofing barrier Waterproofs cement repair putty For above or below-ground applications Suitable for interior or exterior use Safe for potable water when used as directed

    $35.95

  • Bostik Dampfix Gold PU – 15L

    Sydney Hardware Bostik Dampfix Gold PU – 15L

    BOSTIK DAMPFIX GOLD PU is a premium, single-component polyurethane Class III membrane for wet areas and balconies. Supplied in a 15L pail, it cures to a tough, flexible and seamless waterproof barrier with excellent crack-bridging and water resistance. Ideal under tiles in bathrooms, showers, laundries and external decks. Low permeability and strong adhesion over primed concrete, screeds and fibre cement. Easy to apply by brush or roller, delivering a durable, tile-ready surface for long-term protection against moisture ingress and efflorescence.

    $179.00

  • Bradford Thermoseal Wall Wrap 1350mm x 60m

    Builders Mitre 10 Bradford Thermoseal Wall Wrap 1350mm x 60m

    Bradford Thermoseal Wall Wrap provides effective moisture and air barrier protection, improving energy efficiency and durability. Designed for straightforward installation, it is suitable for residential and light commercial wall systems.

    $209.00

  • Brush-On Liquid Waterproofing Membrane – Liquid Flash

    Swadlings Timber & Hardware Brush-On Liquid Waterproofing Membrane – Liquid Flash

    Liquid Flash is a brush-on waterproofing membrane that creates a seamless, flexible barrier for internal and external applications. Ideal for showers, bathrooms, balconies, and roof repairs, it adheres to common substrates including concrete, masonry, and FC sheeting. Easy to apply with a brush or roller, it bridges hairline cracks and offers fast recoat times. Once cured, it provides a tough, waterproof surface ready for tiling or protective coatings. A versatile, user-friendly solution for DIY and professional waterproofing tasks.

    $26.80

  • Builders Film Polythene 100um Black 2 x 100m

    Builders Mitre 10 Builders Film Polythene 100um Black 2 x 100m

    Durable black polythene film designed for site protection and moisture barriers. Its 100-micron thickness provides reliable performance in various construction applications.

    $117.00

  • Builders Film Polythene 100um Black 2 x 50m

    Builders Mitre 10 Builders Film Polythene 100um Black 2 x 50m

    This black polythene builders film offers effective moisture and dust protection during construction. Its durable 100-micron thickness ensures reliable coverage for residential and light commercial projects.

    $112.00

  • Builders Film Polythene 100um Black 2 x 5m

    Builders Mitre 10 Builders Film Polythene 100um Black 2 x 5m

    Introducing our 2m x 5m x 100um black film , a versatile and durable solution for various applications. This high-quality film is perfect for use as drop sheets, providing excellent coverage and protection. Its robust construction ensures it can withstand demanding conditions, making it an essential item for both professional and DIY projects. Our Black builders film handy rolls are designed to be economical without compromising on performance. These handy rolls are easy to use and store, offering a practical solution for a wide range of tasks. Whether you need to protect surfaces during painting or cover materials on a construction site, this film is up to the task. Features Economical, durable, and versatile Convenient handy rolls for easy use Ideal for both professional and DIY projects

    $11.50

  • Builders Film Polythene 200um Black 2 x 10m

    Builders Mitre 10 Builders Film Polythene 200um Black 2 x 10m

    Introducing the Film handi black , a premium quality black film designed specifically for builders and concreters. This versatile product is perfect for a variety of applications including wrapping, wall covering, floor covers, or as an underlay for concrete. Crafted from high-quality polypropylene, this film ensures durability and reliability for your construction needs. The Film handi black comes in a convenient size of 2 x 10m with a thickness of 200um, providing ample coverage for your projects. Please note that this product is made from non-recycled black plastic and is not UV resistant, making it ideal for indoor use or temporary outdoor applications where UV exposure is minimal. Features High-quality polypropylene material Non-recycled black plastic Not UV resistant

    $41.99

  • Builders Film Polythene 200um Black 2 x 5m

    Builders Mitre 10 Builders Film Polythene 200um Black 2 x 5m

    Heavy-duty black polythene builders film with 200-micron thickness offers enhanced protection against moisture and contaminants. Ideal for smaller scale residential and commercial applications.

    $18.95

  • Builders Film Polythene 200um Orange 2 x 10m

    Builders Mitre 10 Builders Film Polythene 200um Orange 2 x 10m

    The FILM ORANGE HANDI 200um is a premium quality product designed to meet the highest standards of durability and performance. This film is engineered to provide exceptional protection and reliability in various applications, ensuring that your needs are met with precision and efficiency. With its robust construction and superior material composition, the FILM ORANGE HANDI 200um stands out as a top choice for professionals seeking excellence. Its versatility and resilience make it an indispensable tool in your arsenal, delivering consistent results every time. Features High durability and performance Exceptional protection and reliability Versatile and resilient

    $42.50

  • Builders Film Polythene 200um Orange 2 x 5m

    Builders Mitre 10 Builders Film Polythene 200um Orange 2 x 5m

    Introducing the Film handi black , a versatile and durable solution for your various needs. This product is available in a vibrant Color: Orange , ensuring high visibility and aesthetic appeal. The dimensions of this film are 2 x 5m with a thickness of 200um , making it suitable for a wide range of applications. Crafted from high-quality polypropylene , the FILM ORANGE HANDI 200um guarantees exceptional performance and longevity. Whether you are using it for industrial purposes or personal projects, this film provides reliable protection and durability. Features High visibility with its bright orange color Durable and long-lasting polypropylene material Suitable for various applications with its 200um thickness

    $21.95

  • Dampfix Bandage – 120mm x 50m

    Pronto Building Supplies Dampfix Bandage – 120mm x 50m

    Dampfix waterproofing bandage is a flexible, reinforcement fabric designed to strengthen waterproof membranes over joints, corners, and cracks. The 120mm × 50m roll provides efficient coverage around perimeters, wall-floor junctions, and penetrations. It improves membrane durability, helps bridge movement, and reduces the risk of failure in wet areas, balconies, and rooftop applications. Use with compatible liquid membranes for robust, long-lasting waterproof systems in residential and commercial projects.

    $8.09

  • Dampfix Gold 15L

    Pronto Building Supplies Dampfix Gold 15L

    Dampfix Gold is a premium, flexible waterproofing membrane for bathrooms, laundries, balconies, and wet areas. Supplied in a 15L pail, it provides excellent crack-bridging, low water vapour transmission, and reliable adhesion to common building substrates. It applies smoothly, cures to a tough film, and complements reinforcement bandage at junctions. Ideal for residential and commercial waterproofing prior to tiling, helping deliver durable, watertight results under Australian conditions.

    $194.04

  • Dampfix Gold 4L

    Pronto Building Supplies Dampfix Gold 4L

    Dampfix Gold is a high-performance, elastic waterproofing membrane suited to showers, bathrooms, balconies, and wet rooms. The 4L pail is perfect for smaller projects and detailing. It offers strong adhesion, crack-bridging capability, and reliable moisture resistance on concrete, render, and fibre cement. Use with bandage at junctions for system integrity. Suitable for interior and exterior areas prior to tiling, ensuring long-lasting water protection in demanding environments.

    $75.08

  • Davco K10 Plus Green – 20L

    Network Building Supplies Davco K10 Plus Green – 20L

    Davco K10 Plus Green 20L is a flexible liquid-applied waterproofing membrane for internal and external wet areas, balconies, and decks. Easy to apply by roller or brush with high build properties and excellent crack-bridging. Compatible under tile and other finishes once cured. Suitable for residential and commercial projects requiring reliable water protection. Always follow substrate preparation and coverage guidelines.

    $332.28

  • Davco K12 Waterproofing Membrane – 17kg

    Network Building Supplies Davco K12 Waterproofing Membrane – 17kg

    Davco K12 17kg is a high-build waterproofing membrane for wet areas, balconies, and external substrates. Provides robust water resistance with good flexibility and crack-bridging. Suitable under tiles and compatible finishes after curing. Easy application with roller or brush. Designed for professional waterproofing where dependable barrier performance is essential. Observe specified dry times and system requirements.

    $209.52

  • Densify-K Concrete Hardner Solution Sealer – 20L

    Sydney Hardware Densify-K Concrete Hardner Solution Sealer – 20L

    DENSIFY-K is a lithium silicate concrete densifier and penetrating sealer designed to harden, dustproof and increase abrasion resistance of new and existing slabs. The 20L pack is ideal for large floors in warehouses, car parks, workshops and retail spaces. It chemically reacts within the concrete matrix to reduce porosity and enhance surface durability, improving long-term performance and maintenance. Easy spray or roller application with low odour and minimal downtime, it can be integrated into polished concrete systems for a higher, longer-lasting shine.

    $207.60


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Waterproofing

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