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Ark Building Supplies

796 products

  • 200 x 45mm E13 H2 Treated LVL Beam – 5.4m

    Ark Building Supplies 200 x 45mm E13 H2 Treated LVL Beam – 5.4m

    E13 H2 treated LVL beam engineered for consistent strength, stiffness and straightness in internal, above‑ground structures. Ideal for beams, lintels and joists where termite resistance is required. Laminated construction minimises splitting and shrinkage. Cut and fix with standard tools; seal end cuts. Install per engineering and Australian Standards.

    $97.20

  • 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 3.0m

    Ark Building Supplies 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 3.0m

    This 200 x 45mm engineered timber I‑Joist combines high stiffness with low weight for efficient spans and easy handling. The precise, consistent section minimises shrinkage and cupping, helping maintain flat floors and straight ceilings. Ideal for residential floors and roof systems, it speeds installation and reduces site waste. Compatible with standard hangers and fixings for reliable connections, this 3.0m length suits short spans, trimming and infill areas where accurate, stable support is needed without over‑specifying heavier members.

    $50.10

  • 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 3.6m

    Ark Building Supplies 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 3.6m

    The 200 x 45mm engineered I‑Joist delivers an excellent strength‑to‑weight ratio, allowing faster installation and cleaner spans. Its stable, consistent profile limits movement, helping to reduce squeaks and callbacks. Ideal for residential and light commercial floor and roof systems, it integrates with standard joist hangers and fixings for dependable performance. Supplied in a versatile 3.6m length, it’s perfect for common room widths, infill bays and trimming, providing efficient load distribution and a stable platform for finishes.

    $60.12

  • 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 4.2m

    Ark Building Supplies 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 4.2m

    This 200 x 45mm I‑Joist offers superior stiffness‑to‑weight performance for long, accurate spans with minimal deflection. Engineered for dimensional stability, it helps maintain level floors and straight ceilings while reducing on‑site waste. Suitable for floors and roofs in residential builds, it’s easy to cut and handle, and works with standard hangers and fixings. Supplied in a 4.2m length to suit common span requirements, it supports efficient layouts, fast installation and a high‑quality finish ready for flooring and linings.

    $70.14

  • 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 4.8m

    Ark Building Supplies 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 4.8m

    The 200 x 45mm engineered I‑Joist provides lightweight handling with robust, reliable performance. Its stable section resists warping and shrinking, helping to deliver quiet floors and straight ceilings. Ideal for residential floors and roof structures, it’s compatible with standard joist hangers and nail patterns for quick, secure installation. At 4.8m length, it covers popular spans with fewer joints, improving speed and efficiency on site while maintaining consistent load transfer and a smooth, professional result for subsequent trades.

    $80.16

  • 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 5.4m

    Ark Building Supplies 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 5.4m

    This 200 x 45mm I‑Joist combines engineered straightness with a high stiffness‑to‑weight ratio, enabling longer spans and rapid installation. The consistent profile minimises movement to reduce squeaks and improve finish quality. Perfect for residential floors and roof systems, it integrates easily with commonly used hangers and fixings. Supplied in a 5.4m length, it streamlines layouts by reducing splices, supports efficient load transfer, and delivers a stable, reliable substrate for flooring, ceilings and internal linings.

    $90.18

  • 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 6.0m

    Ark Building Supplies 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 6.0m

    The 200 x 45mm engineered timber I‑Joist offers outstanding stiffness with low weight for efficient, easy handling on site. Its dimensionally stable design helps maintain flat floors and plumb walls, reducing callbacks. Used in residential floors and roofs, it works with standard joist hangers and fasteners for dependable connections. At 6.0m length, it spans further with fewer joins, improving construction speed and material efficiency while delivering consistent performance and a quality base for flooring and ceiling finishes.

    $100.20

  • 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 6.6m

    Ark Building Supplies 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 6.6m

    This 200 x 45mm I‑Joist delivers exceptional strength‑to‑weight performance and engineered stability, helping achieve longer spans with consistent results. Designed for residential floors and roof systems, it reduces warping and shrinkage, supporting quieter floors and straighter ceilings. Compatible with standard hangers and fixings for quick installation, the 6.6m length minimises joins and speeds framing. It’s a reliable, efficient choice for builders seeking predictable structural behaviour and a clean substrate for subsequent trades and finishes.

    $110.22

  • 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 7.2m

    Ark Building Supplies 200 x 45mm I‑Joist – Engineered Timber Floor Joist – 7.2m

    The 200 x 45mm engineered I‑Joist offers long, accurate spans with reduced weight for faster installation and handling. Its stable profile resists movement, helping maintain level floors and straight ceilings over time. Ideal for residential floors and roof structures, it integrates with standard joist hangers and fasteners. Supplied in a 7.2m length to suit extended spans and open plans, it cuts splices, improves efficiency, and provides a dependable base for flooring systems and internal linings across modern builds.

    $120.24

  • 200 x 45mm LVL Beam – E13, H2 Treated Termite Resistant – 6.0m

    Ark Building Supplies 200 x 45mm LVL Beam – E13, H2 Treated Termite Resistant – 6.0m

    This 200 x 45mm LVL beam (E13) is H2 treated for termite resistance in internal, above‑ground applications. Engineered for consistent strength and straightness, it’s ideal for beams, joists, lintels and rafters in residential and light commercial builds. The stable, uniform section reduces twisting, splitting and waste, while ensuring fast, reliable installation. Supplied in a 6.0m length to suit common spans and layouts, it accepts standard fixings and connectors for dependable structural performance and a clean, professional finish.

    $108.00

  • 200 x 45mm LVL Beam – E13, H2 Treated Termite Resistant – 6.6m

    Ark Building Supplies 200 x 45mm LVL Beam – E13, H2 Treated Termite Resistant – 6.6m

    Engineered for strength and consistency, this 200 x 45mm LVL beam (E13) features H2 termite-resistant treatment for internal, above‑ground use. The straight, stable profile is perfect for beams, joists, lintels and rafters, offering predictable performance and reduced on‑site waste. Easy to cut and fix, it integrates with standard brackets and connectors for fast construction. Supplied in a 6.6m length to cover longer spans and simplify layout, it delivers reliability across new builds, renovations and light commercial projects.

    $118.80

  • 200 x 45mm LVL Beam – E13, H2 Treated Termite Resistant – 7.2m

    Ark Building Supplies 200 x 45mm LVL Beam – E13, H2 Treated Termite Resistant – 7.2m

    This 200 x 45mm E13 LVL beam provides high, uniform strength with H2 termite-resistant treatment for internal, above‑ground applications. The engineered makeup ensures straightness and stability, minimising warping and on‑site waste. Ideal for beams, lintels, rafters and joists, it works with standard fixings and connectors for quick, reliable installation. Supplied in a 7.2m length, it’s suited to longer spans in residential and light commercial structures, delivering dependable performance and ease of handling on site.

    $129.60

  • 200 x 45mm LVL Beam – E13, H2 Treated Termite Resistant – 7.8m

    Ark Building Supplies 200 x 45mm LVL Beam – E13, H2 Treated Termite Resistant – 7.8m

    This 200 x 45mm LVL beam (E13) offers reliable strength and dimensional stability with H2 treatment for termite resistance in internal, above‑ground use. Engineered uniformity reduces twisting and splitting, streamlining installation and cutting waste. Suitable for beams, rafters, joists and lintels, it works seamlessly with standard timber connectors and fasteners. The extended 7.8m length helps achieve longer spans and fewer joints across residential and light commercial projects, supporting efficient framing and a quality structural outcome.

    $140.40

  • 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 3.0m

    Ark Building Supplies 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 3.0m

    The 200 x 63mm E13 LVL beam delivers high, predictable strength with H2 treatment for termite resistance in internal, above‑ground use. Its engineered construction provides excellent straightness and stability, reducing twisting and waste. Suitable for beams, lintels, rafters and joists, it installs quickly with standard brackets and fasteners. Supplied in a 3.0m length for shorter spans, trimmers and trimming studs, it supports efficient framing layouts and dependable structural performance in residential and light commercial projects.

    $75.00

  • 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 3.6m

    Ark Building Supplies 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 3.6m

    This 200 x 63mm LVL beam (E13) is H2 treated for termite resistance in internal, above‑ground applications. The thicker section provides increased capacity, while engineered uniformity ensures straight, stable performance with minimal waste. Ideal for beams, joists, rafters and lintels, it accepts standard fixings and connectors for fast installation. Supplied in a practical 3.6m length for common spans, it’s a dependable choice for residential and light commercial framing where consistent strength and reliability are essential.

    $90.00

  • 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 4.2m

    Ark Building Supplies 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 4.2m

    This 200 x 63mm LVL beam provides robust E13 strength with H2 termite resistance for internal, above‑ground applications. The thicker profile offers enhanced capacity, while engineered uniformity ensures straight, stable installation and reduced wastage. Ideal for beams, joists, lintels and rafters, it’s compatible with common connectors and fixings. Supplied in a 4.2m length to meet popular span requirements, it supports efficient layouts and reliable performance across residential and light commercial framing and renovation projects.

    $105.00

  • 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 4.8m

    Ark Building Supplies 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 4.8m

    The 200 x 63mm E13 LVL beam offers high, consistent strength and H2 termite resistance for internal, above‑ground use. Engineered straightness and stability reduce movement and waste, improving installation speed and finish quality. Suitable for beams, lintels, rafters and joists, it works with standard brackets and fasteners. Supplied in a 4.8m length for common spans, it provides dependable structural performance in residential and light commercial construction, supporting efficient framing and a durable, professional result.

    $120.00

  • 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 5.4m

    Ark Building Supplies 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 5.4m

    This 200 x 63mm LVL beam (E13) combines enhanced section depth with H2 termite-resistant treatment for internal, above‑ground applications. With engineered uniformity and straightness, it minimises warping and on‑site waste, streamlining installation. Ideal for beams, joists, lintels and rafters, it accepts standard timber connectors for secure, consistent results. Supplied in a 5.4m length to reduce joints and speed framing, it’s a reliable choice for residential and light commercial builds seeking predictable strength and stability.

    $135.00

  • 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 6.0m

    Ark Building Supplies 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 6.0m

    The 200 x 63mm E13 LVL beam provides strong, consistent performance with H2 treatment for termite resistance in internal, above‑ground use. The engineered, straight profile reduces movement and waste, ensuring fast installation and reliable outcomes. Suitable for beams, rafters, joists and lintels, it integrates with standard fixings and connectors. Supplied in a 6.0m length to span wider bays with fewer joins, it supports efficient layouts and delivers dependable structural performance in residential and light commercial projects.

    $150.00

  • 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 6.6m

    Ark Building Supplies 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 6.6m

    This 200 x 63mm LVL beam (E13) is H2 treated for termite resistance in internal, above‑ground applications. The deeper 63mm section provides greater capacity, while engineered straightness ensures stable, efficient installation. Perfect for beams, rafters, joists and lintels, it works with standard timber connectors for secure connections. Supplied in a 6.6m length to cover longer spans and reduce joints, it delivers reliable performance and productivity across residential and light commercial framing and renovation projects.

    $165.00

  • 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 7.2m

    Ark Building Supplies 200 x 63mm LVL Beam – E13, H2 Treated Termite Resistant – 7.2m

    The 200 x 63mm E13 LVL beam offers high capacity and H2 termite resistance for internal, above‑ground structural applications. Its engineered, straight profile minimises movement, reducing waste and improving installation speed. Ideal for beams, rafters, lintels and joists, it’s compatible with standard connectors and fixings. Supplied in a 7.2m length for extended spans with fewer joins, it provides dependable, consistent performance across residential and light commercial projects seeking durable, efficient framing solutions.

    $180.00

  • 200mm L x 100 x 100 x 8mm Galvanised Equal Angle Bracket – Heavy Duty

    Ark Building Supplies 200mm L x 100 x 100 x 8mm Galvanised Equal Angle Bracket – Heavy Duty

    Robust galvanised equal angle bracket measuring 200mm length with 100 x 100mm legs and 8mm thickness for high-load structural connections. The galvanised coating resists rust, making it suitable for exterior applications and harsh jobsite conditions. Use for reinforcing corners, fixing posts, lintels, and general fabrications. Easy to drill, bolt, or weld where required. An excellent choice for long-lasting, rigid connections in framing and bracing.

    $27.00

  • 2040 x 720mm 4 Panel Hollow Core Internal Door

    Ark Building Supplies 2040 x 720mm 4 Panel Hollow Core Internal Door

    This 2040 x 720mm 4 panel hollow core internal door delivers a classic look with lightweight practicality. Ideal for bedrooms, hallways and general rooms, it’s easy to handle and install, working with standard jambs and common hardware. The smooth skin suits paint finishes for a clean, contemporary result. Hollow core construction offers economical performance while maintaining everyday durability. Perfect for renovations and new builds alike, it helps achieve consistent styling across the home with efficient, cost‑effective installation.

    $67.00

  • 2040 x 720mm Flush Hollow Core Internal Door

    Ark Building Supplies 2040 x 720mm Flush Hollow Core Internal Door

    This 2040 x 720mm flush hollow core internal door offers a clean, contemporary look with a smooth, paint‑ready surface. Lightweight for easy handling, it suits bedrooms, hallways and utility spaces, and is compatible with standard jambs and hardware. The hollow core design provides a cost‑effective option for consistent styling across the home, while enabling quick installation. Ideal for new builds and refurbishments alike, it delivers reliable everyday function and a neat finish ready for your chosen colour scheme.

    $46.00

  • 2040 x 770mm 4 Panel Hollow Core Internal Door

    Ark Building Supplies 2040 x 770mm 4 Panel Hollow Core Internal Door

    This 2040 x 770mm 4 panel hollow core internal door provides timeless styling with a lightweight build for easy installation. Suitable for bedrooms, studies and living areas, it pairs with standard jambs and hardware. The smooth surface is ideal for paint, delivering a clean, uniform finish. Hollow core construction offers a cost‑effective solution for consistent door styling throughout the home. A practical choice for new builds and renovations, it helps speed fit‑off while maintaining everyday functionality and visual appeal.

    $67.00

  • 2040 x 770mm Flush Hollow Core Internal Door

    Ark Building Supplies 2040 x 770mm Flush Hollow Core Internal Door

    This 2040 x 770mm flush hollow core internal door provides a minimalist, modern aesthetic with a smooth, paint‑ready face. Its lightweight construction makes installation fast and straightforward, fitting standard jambs and hardware. Ideal for bedrooms, studies and corridors, it supports consistent interior styling and budget‑friendly fit‑off. The durable skin is suited to a wide range of paint finishes, delivering a clean, uniform appearance across rooms in new homes or renovation projects.

    $46.00

  • 2040 x 820 x 35mm Duracote Solid Blockboard Internal Door

    Ark Building Supplies 2040 x 820 x 35mm Duracote Solid Blockboard Internal Door

    This 2040 x 820 x 35mm Duracote solid blockboard door delivers robust performance with excellent screw‑holding and improved acoustic comfort over hollow options. The solid core adds weight and stability, helping resist impact and warping. Finished with Duracote skins for a smooth, paint‑ready surface, it suits premium internal applications, including bedrooms and living areas. Compatible with standard jambs and hardware, it’s ideal for projects seeking a quality feel, reliable durability and a refined finish throughout the home.

    $140.00

  • 2040 x 820mm 4 Panel Hollow Core Internal Door

    Ark Building Supplies 2040 x 820mm 4 Panel Hollow Core Internal Door

    This 2040 x 820mm 4 panel hollow core internal door combines classic panel styling with lightweight practicality. Designed for easy handling and fast installation, it suits standard jambs and readily accepts common door hardware. The smooth skin is paint‑ready for a consistent, modern finish throughout the home. Hollow core construction offers an economical solution without sacrificing everyday usability. Ideal for bedrooms and living spaces in both new builds and renovations, ensuring cohesive aesthetics and efficient fit‑off.

    $67.00

  • 2040 x 820mm Flush Hollow Core Internal Door

    Ark Building Supplies 2040 x 820mm Flush Hollow Core Internal Door

    This 2040 x 820mm flush hollow core internal door offers a sleek, contemporary finish with a smooth, paint‑ready surface. Lightweight for easy handling, it installs quickly with standard jambs and hardware. Ideal for bedrooms, living areas and hallways, it’s an economical choice for consistent styling across the home. The flush design suits modern interiors, while the hollow core construction provides practical durability for everyday use in both new builds and renovations.

    $46.00

  • 2100 x 920 x 35mm Duracote Solid Blockboard Internal Door

    Ark Building Supplies 2100 x 920 x 35mm Duracote Solid Blockboard Internal Door

    This 2100 x 920 x 35mm Duracote solid blockboard door combines premium feel with dependable performance. The solid core provides excellent screw‑holding, stability and improved acoustic qualities compared to hollow doors. Duracote skins offer a smooth, paint‑ready finish for a refined look. Ideal for taller openings and feature rooms, it suits standard hardware and jambs sized for 35mm thick doors. A robust internal solution for projects seeking durability, quality and a superior finish across living spaces and bedrooms.

    $185.00

  • 220 x 45mm Joist Hanger – Standard Duty, Galvanised Steel

    Ark Building Supplies 220 x 45mm Joist Hanger – Standard Duty, Galvanised Steel

    This 220 x 45mm standard duty joist hanger provides a secure, face‑fix connection of 45mm‑thick joists to beams or ledgers. Manufactured from galvanised steel for corrosion resistance, it suits common framing layouts and speeds installation with pre‑formed nail holes. Ideal for decks, floors and general timber construction, it delivers consistent load transfer and reliable performance. Use with appropriate fasteners and fixings to achieve robust, code‑compliant connections in residential and light commercial applications.

    $2.20

  • 220 x 65mm Joist Hanger – Heavy Duty, Galvanised Steel

    Ark Building Supplies 220 x 65mm Joist Hanger – Heavy Duty, Galvanised Steel

    The 220 x 65mm heavy duty joist hanger provides a strong, face‑fix connection for 65mm‑wide joists to beams or ledgers. Made from galvanised steel for durability and corrosion resistance, it supports higher loads and demanding applications. Pre‑punched for fast installation, it ensures accurate fitment and consistent performance. Ideal for decks, floors and structural timber work where additional capacity is required, it integrates with standard fixings to deliver reliable, long‑lasting connections in residential and light commercial projects.

    $6.95

  • 220 x 90mm Joist Hanger – Heavy Duty, Galvanised Steel

    Ark Building Supplies 220 x 90mm Joist Hanger – Heavy Duty, Galvanised Steel

    This 220 x 90mm heavy duty joist hanger is designed for secure face‑fix connections of 90mm‑wide joists to beams or ledgers. Constructed from galvanised steel, it offers corrosion resistance and high load capacity for demanding applications. Pre‑punched nail and screw holes enable fast, accurate installation. Ideal for decks, floor systems and structural timber framing, it ensures dependable load transfer and durable performance when paired with suitable fasteners in residential and light commercial builds.

    $6.95

  • 230 x 115mm Pier Half Ant Cap – Galvanised Steel Termite Barrier

    Ark Building Supplies 230 x 115mm Pier Half Ant Cap – Galvanised Steel Termite Barrier

    This 230 x 115mm pier half ant cap is a galvanised steel physical barrier designed to deter concealed termite entry at timber‑supported piers. Installed between the pier and bearer, it forces termites to build visible mud leads, aiding early detection. The durable, corrosion‑resistant finish suits exposed subfloor environments. Use with matching full caps and appropriate fixings to complete the barrier system. A practical, low‑maintenance component that supports good termite management practices in residential timber construction.

    $6.75

  • 230 x 18mm H3 Primed DAR FJ Pine – 5.4m Length

    Ark Building Supplies 230 x 18mm H3 Primed DAR FJ Pine – 5.4m Length

    This 230 x 18mm H3 primed DAR FJ pine is dressed all round for a smooth finish and finger‑jointed for straightness and stability. H3 treatment makes it suitable for external, above‑ground use. Factory primed for paint, it’s ideal for fascias, trims, boards and feature detailing. The 5.4m length reduces joins and speeds installation on site. A versatile, paint‑ready solution that delivers consistent quality and appearance for exterior applications requiring durable, dimensionally stable timber components.

    $100.00

  • 230 x 230mm Pier Ant Cap – Galvanised Steel Termite Barrier

    Ark Building Supplies 230 x 230mm Pier Ant Cap – Galvanised Steel Termite Barrier

    This 230 x 230mm pier ant cap provides a galvanised steel physical barrier to help deter concealed termite entry at timber‑supported piers. Positioned between the pier and bearer, it forces termites to build exposed mud leads, enabling early detection. The corrosion‑resistant finish suits subfloor environments and supports long‑term performance. Use with appropriate fixings and complementary half caps where needed to complete the barrier system. A practical, low‑maintenance measure for improved termite management in residential timber construction.

    $7.50

  • 230 x 25mm H3 Primed DAR FJ Pine – External Grade, Paint Ready

    Ark Building Supplies 230 x 25mm H3 Primed DAR FJ Pine – External Grade, Paint Ready

    This 230 x 25mm H3 primed DAR FJ pine is dressed all round for a smooth finish and finger‑jointed for straight, stable performance. H3 treatment makes it suitable for external, above‑ground use. Factory primed for quick painting, it’s ideal for fascias, barge boards, trims and general exterior finishing. The consistent section reduces waste and speeds installation, delivering a neat, professional appearance for new builds and renovations requiring durable, paint‑ready timber components.

    $140.00

  • 230 x 42mm H3 Treated Primed DAR Pine – 3.6m Length

    Ark Building Supplies 230 x 42mm H3 Treated Primed DAR Pine – 3.6m Length

    This 230 x 42mm H3 treated, primed DAR pine is dressed all round for a smooth, uniform finish and ready for paint. Suitable for external, above‑ground use, it provides stability and durability for fascias, barge boards and exterior trims. The finger‑jointed, primed profile speeds installation and reduces waste, ensuring a clean, consistent appearance. Supplied in a 3.6m length, it suits smaller runs and precise detailing on renovation and new build projects requiring reliable, paint‑ready exterior timber.

    $154.80

  • 230 x 42mm H3 Treated Primed DAR Pine – 4.2m Length

    Ark Building Supplies 230 x 42mm H3 Treated Primed DAR Pine – 4.2m Length

    This 230 x 42mm H3 treated, primed DAR pine offers a smooth, paint‑ready finish for external, above‑ground applications. Ideal for fascias, barge boards and trims, it provides dimensional stability and reliable durability. The dressed all round, finger‑jointed profile improves straightness and reduces installation time and waste. Supplied in a 4.2m length, it helps minimise joints while delivering a consistent, professional appearance on new builds and renovation projects seeking dependable exterior timber solutions.

    $180.60

  • 230 x 42mm H3 Treated Primed DAR Pine – 4.8m Length

    Ark Building Supplies 230 x 42mm H3 Treated Primed DAR Pine – 4.8m Length

    This 230 x 42mm H3 treated, primed DAR pine is ready to paint and suited to external, above‑ground use. Dressed all round and finger‑jointed for straightness and stability, it’s ideal for fascias, barge boards and exterior trims. The 4.8m length helps reduce joins and speed installation, delivering a clean, consistent finish. A reliable, durable timber solution for both renovations and new construction where a smooth, paint‑ready exterior profile is required.

    $206.40

  • 230 x 42mm H3 Treated Primed DAR Pine – 5.4m Length

    Ark Building Supplies 230 x 42mm H3 Treated Primed DAR Pine – 5.4m Length

    This 230 x 42mm H3 treated, primed DAR pine provides a smooth, uniform, paint‑ready finish for exterior, above‑ground applications. The dressed all round, finger‑jointed profile improves straightness and stability, speeding installation and reducing waste. Ideal for fascias, barge boards and trims, the longer 5.4m length minimises joins for a neater result. A dependable choice for new builds and renovations requiring durable, consistent exterior timber ready for immediate sealing and finishing.

    $180.00

  • 230 x 42mm H3 Treated Primed DAR Pine – 6.0m Length

    Ark Building Supplies 230 x 42mm H3 Treated Primed DAR Pine – 6.0m Length

    This 230 x 42mm H3 treated, primed DAR pine is designed for external, above‑ground use and arrives paint‑ready. Dressed all round and finger‑jointed for straightness, it’s ideal for fascias, barge boards and architectural trims. The extended 6.0m length reduces joints and speeds installation, enhancing appearance and efficiency. Durable and consistent, it helps deliver a professional finish across new builds and renovations where long runs and reliable exterior performance are essential.

    $258.00

  • 230 x 42mm H3 Treated Primed DAR Pine – 7.2m Length

    Ark Building Supplies 230 x 42mm H3 Treated Primed DAR Pine – 7.2m Length

    This 230 x 42mm H3 treated, primed DAR pine provides a smooth, paint‑ready finish for external, above‑ground applications. The dressed all round, finger‑jointed profile ensures straightness and stability, reducing waste and installation time. Supplied in a long 7.2m length to minimise joins on fascias, barge boards and trims, it supports a clean, continuous finish. A reliable, durable solution for new builds and renovations requiring extended runs and consistent exterior timber performance.

    $309.60

  • 230mm x 10m Alcore Bitumen Dampcourse – Moisture Barrier Roll

    Ark Building Supplies 230mm x 10m Alcore Bitumen Dampcourse – Moisture Barrier Roll

    This 230mm x 10m Alcore dampcourse provides a durable moisture barrier to prevent capillary rise in masonry and timber walls. The bitumen‑laminated composition offers long‑term performance and easy handling during installation. Suitable under sill plates and within cavity walls, it helps protect building elements from moisture ingress. The 230mm width suits common wall thicknesses and detailing. A practical choice for new builds and renovations, supporting good building practice and long‑lasting protection where damp proof courses are required.

    $38.00

  • 230mm x 30m Alcore Bitumen Dampcourse – Moisture Barrier Roll

    Ark Building Supplies 230mm x 30m Alcore Bitumen Dampcourse – Moisture Barrier Roll

    This 230mm x 30m Alcore dampcourse provides a robust moisture barrier to prevent capillary rise within masonry and timber wall assemblies. The bitumen‑laminated construction offers durable performance and ease of installation under sill plates and within cavities. With a practical 230mm width for common wall builds, the longer 30m roll reduces change‑overs and speeds installation. A reliable choice for new construction and remedial works, supporting sound building practice and long‑lasting protection where damp proof courses are required.

    $100.00

  • 230mm x 30m Polycourse Dampcourse – Polyethylene Moisture Barrier

    Ark Building Supplies 230mm x 30m Polycourse Dampcourse – Polyethylene Moisture Barrier

    This 230mm x 30m polycourse dampcourse is a polyethylene moisture barrier designed to prevent capillary rise in masonry and timber walls. Lightweight and easy to handle, it installs quickly under sill plates and within cavity walls. The 230mm width suits common wall thicknesses, while the 30m roll supports efficient coverage and fewer change‑overs on site. An economical, practical solution for new builds and renovations requiring a compliant damp proof course to protect building elements from moisture ingress.

    $20.00

  • 230mm x 3m Lead Roof Flashing – 10kg Roll

    Ark Building Supplies 230mm x 3m Lead Roof Flashing – 10kg Roll

    This 230mm x 3m 10kg lead roof flashing is highly malleable for easy dressing to complex roof profiles, valleys and penetrations. Durable and weather‑resistant, it provides a long‑lasting seal against water ingress on tile and metal roofs. The 10kg grade balances formability with strength for reliable on‑site handling. Suitable for repairs and new installations, it delivers professional results around chimneys, skylights and abutments, supporting watertight detailing and a clean finish across residential roofing applications.

    $100.00

  • 230mm x 6m Lead Roof Flashing – 20kg Roll

    Ark Building Supplies 230mm x 6m Lead Roof Flashing – 20kg Roll

    This 230mm x 6m 20kg lead roof flashing offers exceptional malleability and long‑term durability for watertight detailing. Easily dressed around chimneys, skylights, ridges and abutments, it suits tile and metal roofs alike. The heavier 20kg grade provides improved robustness while remaining workable on site. Ideal for new installations and repairs, it delivers a professional, weatherproof seal and a neat finish across residential roofing applications where reliable, formable flashing is required.

    $185.00


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Ark Building Supplies

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