Additives & Primers
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Sydney Hardware LANOTEC RELEASE AGENT - 5 LTS
LANOTEC RELEASE AGENT 5 L provides reliable, eco‑friendly release performance for concrete formwork. The lanolin‑based formula reduces bond between concrete and formply or steel, delivering smooth finishes and easier stripping. It helps prevent surface defects and extends formwork service life. Suitable for precast plants and site pours, applied by spray or brush. Low toxicity and biodegradable properties support safer workplaces and responsible construction. A practical trade size for ongoing pours or larger formwork packages across residential, commercial and civil projects.
$170.00
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Sydney Hardware MAPEI ECO PRIM GRIP PLUS - 10 kgs
MAPEI ECO PRIM GRIP PLUS 10 kg is a high‑performance, ready‑to‑use primer that promotes adhesion of new renders, levellers and tile adhesives over smooth or low‑porosity substrates. Its textured formulation enhances mechanical key on concrete, existing tiles, terrazzo and sealed surfaces. Low odour and easy to apply by roller or brush, it reduces the risk of delamination and improves project reliability. Ideal for refurbishment and change‑of‑use scenarios where surface preparation is critical for long‑term performance.
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Sydney Hardware MAPEI ECO PRIM GRIP PLUS - 5 kgs
MAPEI ECO PRIM GRIP PLUS 5 kg is a versatile bonding primer designed to improve adhesion of cement‑based renders, levelling compounds and tile adhesives to smooth, non‑absorbent substrates. The textured finish provides an excellent mechanical key over existing tiles, concrete and sealed surfaces. Ready to use, low odour and easy to apply, it streamlines preparation and reduces failure risk. Ideal for bathrooms, kitchens and refurbishment projects where reliable bond to difficult backgrounds is essential for long‑lasting results.
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Sydney Hardware MEGAPOXY H and HX - H 20 lts
MEGAPOXY H 20 L is a high build, thixotropic epoxy adhesive formulated for structural bonding and gap filling on vertical and overhead surfaces. It provides exceptional adhesion to concrete, metals, stone and timber with minimal slump. Ideal for large voids, patch repairs and bonding dissimilar materials. Low shrinkage, excellent chemical resistance and reliable cure make it suitable for civil, industrial and commercial applications. Supplied in a trade‑size pack for major remediation and construction works.
$499.00
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Sydney Hardware MEGAPOXY H and HX - H 4 lts
MEGAPOXY H 4 L is a thixotropic, high build epoxy adhesive designed for structural bonding and gap filling where non‑sag performance is essential. It adheres strongly to concrete, steel, stone and timber, making it ideal for vertical and overhead applications. Low shrinkage and chemical resistance ensure durable, long‑term repairs. Perfect for patching, void filling and bonding dissimilar materials across residential, commercial and civil works. A convenient pack size for targeted repairs and maintenance.
$156.00
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Sydney Hardware MEGAPOXY H and HX - HX 20 lts
MEGAPOXY HX 20 L is a low‑viscosity epoxy adhesive suitable for gravity feed and injection into cracks and voids in concrete and masonry. It delivers high bond strength with excellent penetration to restore structural integrity. Ideal for slab crack repair, column/beam restoration and bonding narrow joints. Low shrinkage and chemical resistance ensure long‑term durability. Supplied in a large pack for major remediation projects and continuous works on civil, industrial and commercial sites across Australia.
$597.00
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Sydney Hardware MEGAPOXY H and HX - HX 4 lts
MEGAPOXY HX 4 L is a fluid epoxy adhesive designed for crack injection and deep penetration into concrete and masonry. Its low viscosity enables excellent wetting and bond development in fine cracks and tight joints. Suitable for structural restoration, slab repair and precision bonding tasks. Delivers high strength, low shrinkage and chemical resistance for durable results. A practical pack size for remediation crews and smaller repair scopes in residential, commercial and infrastructure projects.
$168.00
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Pronto Building Supplies Macbond 10L
Macbond is a professional-grade bonding adhesive and primer designed to enhance adhesion between new and existing concrete, render, screeds, and patching compounds. The 10L pail is ideal for contractors needing reliable coverage on larger projects. It reduces dusting, improves workability, and promotes long-lasting bonds on porous substrates. Use for repairs, overlays, and surface preparation prior to tiling or rendering in residential, commercial, and civil works.
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Pronto Building Supplies Macbond 4L
Macbond bonding adhesive and primer improves adhesion to concrete, masonry, and render, helping new materials bond securely to old. The 4L can suits small to medium jobs and touch-ups. It reduces substrate porosity, minimises dusting, and increases durability of overlays, patch repairs, and screeds. Ideal for use before tiling, rendering, or resurfacing. Suitable for interior and exterior applications where dependable adhesion is essential.
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Sydney Hardware Marble Glue: brand ITALIAN 'GENERAL' 750 ml (White, Transparente, Black, Travertino, Paglierino) - black / Fluid
GENERAL marble glue in 750 ml, black, fluid grade is a professional polyester adhesive for bonding and repairs on marble, granite, engineered stone and travertine. The fluid viscosity wets out joints and penetrates fine cracks for strong, clean bonds. Fast curing and sandable, it can be polished to a high finish and tinted if required. Ideal for benchtops, mitres, edges and patching. Suitable for shop or onsite use where a reliable, colour‑matched stone adhesive is required.
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Sydney Hardware Marble Glue: brand ITALIAN 'GENERAL' 750 ml (White, Transparente, Black, Travertino, Paglierino) - black / vertical
GENERAL marble glue in 750 ml, black, vertical grade is a thixotropic polyester adhesive formulated for stone surfaces where non‑sag application is critical. Ideal for mitred edges, vertical joints and repairs on marble, granite and engineered stone. It cures rapidly to a hard, polishable finish and can be colour‑matched as needed. Excellent adhesion, workable open time and clean sanding make it a favourite for benchtops and cladding. Suitable for shop fabrication and onsite installation work.
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Sydney Hardware Megapoxy 69 - 1 lt
Megapoxy 69 1 L is a premium, two‑part epoxy adhesive engineered for structural bonding, anchoring and general repairs. It offers excellent adhesion to concrete, stone, metals and timber, with high tensile and shear strengths for demanding applications. Thixotropic, non‑sag consistency enables overhead and vertical use. Ideal for crack repairs, dowel anchoring and bonding dissimilar materials. Low shrinkage, chemical resistance and reliable cure make it a trusted choice for construction, maintenance and civil works under Australian conditions.
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Sydney Hardware Megapoxy 69 - 20 Lt
Megapoxy 69 20 L is a trade‑size, high‑performance epoxy adhesive for structural bonding, anchoring and repair. It adheres strongly to concrete, stone, metal and timber, delivering high tensile and shear strength with minimal shrinkage. Thixotropic for vertical and overhead application, it’s ideal for crack injection/patching, dowel anchoring and general construction bonding. Chemical resistance and consistent curing ensure reliability in civil, industrial and commercial environments. Supplied in a large pack for ongoing works or larger remediation projects.
$494.00
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Sydney Hardware Megapoxy 69 - 4 lts
Megapoxy 69 4 L is a versatile two‑part epoxy adhesive designed for structural bonding, anchoring and general repair work. With excellent adhesion to concrete, stone, metal and timber, it delivers high performance in demanding applications. Non‑sag consistency supports vertical and overhead use, while low shrinkage and chemical resistance enhance durability. Ideal for crack stitching, dowel anchoring, patch repairs and bonding dissimilar materials on residential, commercial and civil jobsites in Australia.
$154.00
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Pronto Building Supplies Novatex Nova Mix Bond Additive 20L
Novatex Nova Mix Bond Additive boosts the adhesion, flexibility, and durability of cement-based mortars, grouts, and renders. The 20L drum is suited to larger projects, helping reduce cracking and improve performance on demanding substrates. It enhances moisture resistance and workability, supporting long-lasting results in tiling, patching, and rendering applications across residential and commercial builds.
$105.14
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Pronto Building Supplies Novatex Nova Mix Bond Additive 5L
Novatex Nova Mix Bond Additive is a polymer admixture that improves adhesion, flexibility, and water resistance in cement-based mixes. The 5L size is ideal for smaller tiling and rendering projects. It increases durability, reduces the risk of cracking, and enhances workability. Suitable for use in grouts, adhesives, and repair mortars for reliable performance on a range of substrates.
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Pronto Building Supplies Novatex Nova Prime 20L
Novatex Nova Prime is a water-based primer and sealer for porous substrates such as concrete, render, and screeds. The 20L drum offers excellent coverage on large areas, promoting adhesion for subsequent adhesives, membranes, and coatings. It helps control suction, reduces dusting, and prepares surfaces for consistent, high-quality finishes in residential and commercial applications.
$100.52
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Pronto Building Supplies Novatex Nova Prime 5L
Novatex Nova Prime is a multi-purpose primer designed to seal and stabilise porous surfaces before tiling, waterproofing, or coating. The 5L size is convenient for small to medium projects. It controls suction, minimises dust, and improves bond strength for materials applied over the top. Ideal for concrete, render, and fibre cement in interior and exterior environments.
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Pronto Building Supplies Novatex Nova Proof FR 15L
Novatex Nova Proof FR is a fibre-reinforced waterproofing membrane delivering excellent crack-bridging and durability. The 15L pail is suited to bathrooms, balconies, and wet areas. It applies smoothly, adheres strongly to common substrates, and forms a tough, flexible barrier against moisture. Use with reinforcement at junctions for robust protection before tiling in residential and commercial projects.
$132.47
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Pronto Building Supplies Novatex Optimus Primer 4L
Novatex Optimus Primer is a premium surface conditioner designed to improve adhesion for coatings, membranes, and adhesives. The 4L can provides excellent coverage for small to medium jobs. It seals porous substrates, reduces dusting, and promotes consistent, high-quality finishes. Use on concrete, render, and fibre cement in interior and exterior applications as part of a professional preparation system.
$114.94
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Pronto Building Supplies Novatex Optimus Primer Non-Porous 15L
Novatex Optimus Primer Non-Porous is an advanced primer formulated to promote adhesion on dense, low-absorption surfaces such as existing tiles, metals, and sealed substrates. The 15L drum suits larger projects. It improves bond strength for subsequent adhesives and membranes, enabling reliable installations over difficult surfaces. Ideal for renovations and commercial environments where substrate preparation is critical.
$405.57
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Sydney Hardware PHOSPHORIC ACID - 1 LT
High-quality phosphoric acid for converting surface rust to a paintable phosphate and removing mineral deposits from concrete, tiles, and metal. Gentler on many metals than hydrochloric acid, making it suitable for treated steel and galvanised surfaces when used as directed. Ideal for surface preparation before priming. Dilute per application, apply evenly, and rinse thoroughly. Avoid use on sensitive stones. Use PPE and follow safe handling guidelines. Store upright in a cool, ventilated location.
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Sydney Hardware PHOSPHORIC ACID - 15 LT
Bulk phosphoric acid for rust conversion and removal of scale, calcium, and hard-water deposits from masonry and metals. Suitable for preparing steel and galvanised surfaces prior to coating, and cleaning concrete and tiled areas. Dilute to suit the task and rinse thoroughly. Test small areas first, avoid contact with acid‑sensitive materials, and follow PPE requirements. Store securely and handle according to local regulations. Ideal for maintenance crews and fabrication workshops needing consistent, reliable results.
$218.00
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Sydney Hardware PHOSPHORIC ACID - 5 LT
Versatile phosphoric acid for treating surface rust and removing scale and efflorescence from concrete, tiles, and metals prior to coating. Favoured for its controlled reactivity compared to stronger mineral acids when used correctly. Dilute as required, apply uniformly, and rinse thoroughly. Avoid acid‑sensitive stones and always perform a test patch. Use appropriate PPE and ensure ventilation. Store upright away from incompatible materials. Supports dependable surface preparation and maintenance tasks on site or in the workshop.
$164.00
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Sydney Hardware Phosphoric Acid Cleaner Spirit - size 15lts
Trade-volume phosphoric acid cleaner formulated to remove rust, efflorescence, and mineral scale from masonry and metal. Suitable for building washdowns, refurbishment, and pre‑coating preparation. Provides reliable performance with controlled reactivity. Dilute according to task, apply evenly, agitate if needed, and rinse thoroughly. Test on inconspicuous areas and avoid acid‑sensitive substrates. Use appropriate PPE and ensure ventilation. Store securely and follow local regulations for handling and disposal of acidic cleaning solutions.
$274.85
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Sydney Hardware Phosphoric Acid Cleaner Spirit - size 1lt
Compact-size phosphoric acid cleaner for targeted removal of rust, scale, and efflorescence from concrete, tiles, brick, and metal surfaces. Excellent for small prep areas and spot treatments prior to painting or sealing. Dilute to suit the application and rinse thoroughly after use. Avoid use on acid‑sensitive materials and always conduct a test patch. Wear gloves and eye protection and provide ventilation. Store upright, sealed, and away from incompatible materials and ignition sources.
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Sydney Hardware Phosphoric Acid Cleaner Spirit - size 4lts
A blended phosphoric acid cleaner designed to dissolve rust, calcium, and mineral deposits from concrete, tiles, brick, and metal surfaces. Ideal for restoration, washdowns, and surface prep before protective coatings. Offers controlled action with effective results when used as directed. Dilute to suit application, apply evenly, and rinse thoroughly. Avoid sensitive stones and test on small areas first. Use gloves, goggles, and adequate ventilation. Suitable for trade maintenance and construction cleaning tasks.
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Sydney Hardware Prep and Prime SIKATILE -015 NPP - 1 Lt
SIKATILE-015 NPP 1 L is a versatile primer designed to enhance adhesion of tile adhesives and levelling compounds to a wide range of substrates. Suitable for concrete, screeds, fibre cement, existing tiles and difficult surfaces. Easy to apply by brush or roller with low odour and fast drying, it helps minimise failures and promotes long‑term performance. Ideal for bathrooms, kitchens and wet areas prior to tiling. A convenient size for small rooms, repairs and touch‑ups.
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Sydney Hardware Prep and Prime SIKATILE -015 NPP - 10 LTS
SIKATILE-015 NPP 10 L is a high‑coverage, multi‑purpose tile primer that improves adhesion to porous and non‑porous substrates. Formulated for concrete, screeds, fibre cement and existing tiles, it supports reliable tiling in wet areas and high‑traffic zones. Low odour, quick drying and easy application make it ideal for residential and commercial projects. Enhances bond of subsequent adhesives and levelling compounds, helping prevent delamination and ensuring long‑term durability under Australian site conditions.
$226.00
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Sydney Hardware Prep and Prime SIKATILE -015 NPP - 4 Lts
SIKATILE-015 NPP 4 L is a professional tile primer for improving adhesion to a variety of substrates including concrete, screeds, fibre cement and existing tiles. Quick drying and low odour, it streamlines preparation and helps prevent bond failures. Ideal for bathrooms, kitchens and living areas prior to tile adhesive or levelling compounds. A practical size for medium jobs and renovations, delivering consistent, reliable results for contractors and tilers across residential and commercial sites.
$113.50
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Sydney Hardware SIKA MONOTOP 910 - 10 Kgs
SIKA MONOTOP 910 10 kg is a cementitious bonding slurry and steel reinforcement primer designed to enhance bond between old and new concrete while providing corrosion protection to embedded steel. Ideal as a substrate bonding bridge before repair mortars and as a protective coat on cleaned rebar. Easy to mix and apply, it improves durability and reduces risk of delamination. Suitable for structural repairs, patching and remediation works in residential, commercial and civil projects.
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Sydney Hardware SIKA MONOTOP 910 - 20 kgs
SIKA MONOTOP 910 20 kg is a high‑quality bonding bridge and corrosion protection system for reinforced concrete repair. Applied to substrates and cleaned rebar, it enhances adhesion of repair mortars and provides anti‑corrosion performance for steel reinforcement. Easy to mix and brush on, it supports reliable, durable repairs and helps prevent delamination. Ideal for large‑scale remediation and structural works across commercial, industrial and infrastructure projects requiring dependable, compliant repair practices.
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Sydney Hardware SULFURIC ACID - 1 lt
Industrial sulfuric acid for aggressive descaling and removal of mineral deposits on compatible surfaces. Suitable for controlled professional use in maintenance and preparation tasks where a strong acid is required. Not recommended for aluminium, zinc, or acid‑sensitive materials. Always dilute carefully by adding acid to water, wear appropriate PPE, and ensure ventilation. Rinse thoroughly after treatment and neutralise where required. Store securely and follow local regulations for hazardous substance handling and disposal.
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Sydney Hardware SULFURIC ACID - 15 Lts
Bulk sulfuric acid for demanding descaling and mineral removal tasks in controlled, professional environments. Effective on heavy deposits where milder acids are insufficient. Use with extreme caution, dilute by adding acid to water, and provide ventilation. Avoid contact with acid‑sensitive materials and metals such as aluminium and zinc. Rinse thoroughly and neutralise residues where necessary. Store upright in a cool, ventilated area and adhere to all site safety and hazardous handling regulations.
$123.80
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Sydney Hardware SULFURIC ACID - 5 Lts
Professional sulfuric acid for robust descaling and cleaning on compatible surfaces. Intended for experienced users where strong acid performance is required. Dilute cautiously by adding acid to water, wear suitable PPE, and ensure ventilation. Thoroughly rinse treated areas and neutralise where specified. Do not use on aluminium, zinc, or acid‑sensitive stone. Store securely, upright, and away from incompatible materials. Follow local regulations for transport, storage, and waste disposal of corrosive substances.
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Sydney Hardware Sika Monotop 723N 20 kgs - Sika Monotop 723N 20 kgs
Sika Monotop 723N 20 kg is a polymer‑modified cementitious mortar for surface repair, levelling and reprofiling of concrete and masonry. It offers excellent adhesion, workability and low shrinkage for durable repairs. Suitable for vertical and horizontal applications, with trowel or float finishing. Ideal for patching spalled concrete, smoothing substrates before coatings and restoring uniform surfaces. Designed for reliable performance in Australian conditions, supporting both new construction and refurbishment projects where consistent results are essential.
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Sydney Hardware Sikalastic - 1K Bucket or bag SIKA (SIKA 1K) - 10 KGS Bucket
High-performance cementitious self-levelling underlayment for internal floors prior to floor coverings. Offers excellent flow, rapid drying and low shrinkage to produce a smooth, hard surface. Suitable over concrete and prepared substrates; can be applied by hand or pump from feather edge to moderate thickness in a single pass. The 20kg bag is easy to mix—just add water. Ideal for commercial refurbishments and fast-track projects requiring consistent, level substrates.
$118.00
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Sydney Hardware Sikalastic - 1K Bucket or bag SIKA (SIKA 1K) - 20 kgs Bag
Sikalastic - 1K 10 kg is a one‑component, cementitious waterproofing membrane for wet areas, balconies and external walls. It forms a flexible, crack‑bridging barrier that adheres strongly to concrete, masonry and fibre cement. Easy to mix and apply by brush or roller, it delivers reliable waterproofing under tiles or render. Ideal for bathrooms, laundries and podiums. Supplied in a convenient pail for site handling, it provides long‑term protection against water ingress in Australian conditions.
$212.25
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Pronto Building Supplies Silasec 1L
Silasec is a liquid waterproofing additive for cement‑based mixes, improving resistance to moisture ingress in renders, slurries, screeds, and concrete. The 1L pack suits small projects and repairs. Use to create damp‑proof coatings on masonry walls, tanks, and basements, or to enhance render performance. Mix with clean water as specified, then add to cement/sand blends. Provides improved adhesion and reduced permeability. Follow data sheet ratios, curing practices, and site safety requirements.
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Pronto Building Supplies Silasec 4L
Silasec is a waterproofing additive for cementitious systems, reducing water penetration and improving durability in renders, slurries, screeds, and concrete. The 4L trade pack covers larger areas or multiple jobs. Ideal for basements, retaining walls, planter boxes, and potable water structures when used as directed. Mix as specified with clean water and cement/sand blends. Enhances bond and reduces efflorescence risk. Observe curing times, substrate preparation, and safety precautions for reliable results.
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Sydney Hardware Sodium Hypochlorite Chlorine - 1 lt
Concentrated sodium hypochlorite solution for bleaching, sanitising, and removing mould, mildew, and algae from hard surfaces. Ideal for exterior washdowns, maintenance cleaning, and odour control. Use diluted according to task severity and rinse thoroughly after treatment. Suitable for masonry, tiles, and painted surfaces; test on colours and fabrics beforehand. Use gloves and eye protection and ensure ventilation. Do not mix with acids or ammonia. Store sealed, upright, and away from heat and direct sunlight.
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Sydney Hardware Sodium Hypochlorite Chlorine - 15 Lts
Bulk liquid chlorine for professional cleaning, mould treatment, and sanitising of exterior surfaces. Effective against algae and mildew on masonry, tiles, and painted substrates. Dilute appropriately, apply evenly, allow contact time, then rinse thoroughly. Test on colour‑fastness and sensitive surfaces before use. Use in ventilated areas and wear suitable PPE. Do not mix with other chemicals, particularly acids or ammonia. Store in a cool, shaded place away from direct sunlight and incompatible materials.
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Sydney Hardware Sodium Hypochlorite Chlorine - 5 Lts
Professional sodium hypochlorite solution for cleaning and sanitising hard surfaces, removing mould, and brightening exterior areas. Suitable for masonry, concrete, tiles, and painted finishes when used as directed. Dilute to suit application and rinse thoroughly. Pre‑test on coloured surfaces and fabrics. Use gloves, eye protection, and ensure good ventilation. Never mix with acids or ammonia. Store sealed and upright in a cool, dry, shaded location. Ideal for maintenance and remediation works.
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Sydney Hardware THOMPSON WATER SEAL - 1 Lt
THOMPSON WATER SEAL 1 L is a clear, penetrating sealer that repels water on masonry, brick, concrete and timber. It helps protect against moisture ingress, efflorescence and weathering while maintaining the natural appearance of the substrate. Easy to apply with brush, roller or spray, it dries clear and is suitable for exterior applications. Ideal for paths, driveways, blockwork and decks. A reliable solution for maintenance and protection in Australian outdoor conditions.
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Sydney Hardware THOMPSON WATER SEAL - 5 Lt
THOMPSON WATER SEAL 5 L provides long‑lasting water repellence for masonry, concrete, brick and timber while maintaining a natural look. The clear, penetrating formula reduces water absorption, helps limit efflorescence and improves durability in outdoor environments. Easy to apply by brush, roller or spray, it’s ideal for larger areas such as block walls, driveways, paving and decks. A practical trade size for property maintenance, landscaping and building protection across Australian climates.
$131.60
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Sydney Hardware TOP COAT PLASTER MATE - 1.5 Kgs
PLASTER MATE Top Coat 1.5 kg is a ready‑mixed finishing compound for plasterboard joints, angles and fastener heads. It spreads easily, sands smoothly and delivers a fine surface ready for priming and painting. Designed for the final coat over base compounds, it provides excellent feathering and low shrinkage. Ideal for patching and small jobs, with consistent drying and finish quality. Suitable for residential and commercial plasterboard systems under Australian standards and conditions.
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Sydney Hardware TOP COAT PLASTER MATE - 15 Kgs
PLASTER MATE Top Coat 15 kg is a professional ready‑mixed finishing compound for plasterboard joints, internal angles and patches. It offers smooth application, low shrinkage and excellent sandability for a premium finish prior to painting. Ideal as the final coat over base/jointing compounds in residential and commercial installations. Consistent drying and easy feathering reduce rework and speed up production. A trade‑size pack for larger projects and continuous use across walls and ceilings.
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Sydney Hardware TOP COAT PLASTER MATE - 5 Kgs
PLASTER MATE Top Coat 5 kg is a ready‑mixed finishing compound formulated for the final coat on plasterboard joints, angles and patches. It spreads smoothly, sands easily and achieves a fine, paint‑ready finish with minimal shrinkage. Ideal for renovations and medium‑sized jobs, providing consistent results and efficient workflow. Use over compatible base compounds for best performance. Suitable for residential and commercial interiors under Australian construction practices.
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