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Ark Building Supplies

796 products

  • 300 x 45mm Engineered I-Joist – 4.8m Length

    Ark Building Supplies 300 x 45mm Engineered I-Joist – 4.8m Length

    This 4.8m length of 300 x 45mm engineered I-joist supports longer spans with superior straightness and stability. Designed for efficient floor and roof framing with predictable strength and stiffness. Lightweight for easier handling and rapid installation. Compatible with standard connectors and hangers. Follow engineering and manufacturer instructions for cutting, bearing, and fixing. A dependable, high-performance option for modern residential and light commercial construction.

    $87.12

  • 300 x 45mm Engineered I-Joist – 5.4m Length

    Ark Building Supplies 300 x 45mm Engineered I-Joist – 5.4m Length

    A 5.4m length of 300 x 45mm engineered I-joist for long, straight spans in floor and roof applications. Provides consistent, engineered strength with excellent dimensional stability to reduce deflection and squeaks. Lightweight for efficient handling and installation. Works with commonly used joist hangers and fixings. Install per engineering and manufacturer guidance. An ideal choice for high-performance framing where reliability and productivity are key.

    $98.01

  • 300 x 45mm Engineered I-Joist – 6.6m Length

    Ark Building Supplies 300 x 45mm Engineered I-Joist – 6.6m Length

    A 6.6m length of 300 x 45mm engineered I-joist designed for long spans in floor and roof systems. Delivers consistent strength, straightness, and stability to minimise on-site rework and improve performance. Lightweight for faster handling and installation. Compatible with standard connection hardware. Follow engineering specifications and manufacturer instructions for cutting and fixing. A reliable choice for efficient, high-performance framing in modern construction.

    $119.79

  • 300 x 45mm Engineered I-Joist – 6m Length

    Ark Building Supplies 300 x 45mm Engineered I-Joist – 6m Length

    This 6m length of 300 x 45mm engineered I-joist offers extended spans with reliable stiffness and straightness for floors and roofs. Its lightweight, consistent design speeds installation and supports predictable performance. Compatible with standard hangers and connectors for secure fitment. Cut and fix following engineering and manufacturer recommendations. A robust, efficient framing component for residential and light commercial projects requiring modern engineered timber solutions.

    $108.90

  • 300 x 45mm Engineered I-Joist – 7.2m Length

    Ark Building Supplies 300 x 45mm Engineered I-Joist – 7.2m Length

    This 7.2m length of 300 x 45mm engineered I-joist provides maximum reach for long-span floor and roof framing while maintaining straightness and stability. Lightweight construction supports rapid installation and consistent performance. Works with commonly available joist hangers and fixings. Cut and install according to engineering and manufacturer guidance. An excellent, high-capacity option for builders seeking efficient, predictable results in large residential and light commercial projects.

    $130.68

  • 300 x 45mm Face-Mount I-Joist Hanger – Steel Connector

    Ark Building Supplies 300 x 45mm Face-Mount I-Joist Hanger – Steel Connector

    Face-mount steel hanger sized for 300 x 45mm I-joists, offering strong, secure connections to ledgers, beams, and walls. Ensures accurate alignment and load transfer in engineered floor and roof systems. Quick to install using specified nails or screws to meet design requirements. Features a corrosion-resistant finish for durability in typical construction conditions. A dependable connector that streamlines fit-up and promotes consistent structural performance on site.

    $5.95

  • 300 x 45mm Heavy-Duty Joist Hanger – Steel Connector

    Ark Building Supplies 300 x 45mm Heavy-Duty Joist Hanger – Steel Connector

    A heavy-duty steel joist hanger sized for 300 x 45mm members, engineered for high load capacity and secure anchorage to ledgers or beams. Delivers reliable support and alignment for floor and roof joists. Install with the specified fasteners to meet structural requirements. Corrosion-resistant finish enhances longevity in typical environments. A rugged, professional-grade connector for demanding framing applications requiring robust, consistent performance.

    $7.95

  • 300 x 63mm E13 H2 Treated LVL Beam – 3.0m – Structural Engineered Timber

    Ark Building Supplies 300 x 63mm E13 H2 Treated LVL Beam – 3.0m – Structural Engineered Timber

    Engineered for strength and reliability, this 300 x 63mm E13 H2 treated LVL beam delivers consistent performance for structural framing. H2 treatment provides termite resistance for above‑ground, internal or protected external applications. LVL stays straight and true, minimising twist and shrinkage compared with solid timber. Ideal for bearers, joists, lintels and roof beams in residential and light commercial builds. Length: 3.0m. Use appropriate hangers and fixings, and install to AS/NZS framing requirements for dependable results.

    $112.50

  • 300 x 63mm E13 H2 Treated LVL Beam – 3.6m Length

    Ark Building Supplies 300 x 63mm E13 H2 Treated LVL Beam – 3.6m Length

    A 3.6m length of 300 x 63mm E13 H2 treated LVL beam for internal, above-ground structural applications. The increased thickness provides additional capacity for lintels, primary beams, and long-span joists. Engineered for straightness and uniform strength. H2 treatment offers termite resistance in protected interior environments. Cut and fix with compatible fasteners per engineering specifications. Not intended for exterior exposure. An excellent choice for high-performance framing where extra depth is required.

    $135.00

  • 300 x 63mm E13 H2 Treated LVL Beam – 4.2m – Structural Engineered Timber

    Ark Building Supplies 300 x 63mm E13 H2 Treated LVL Beam – 4.2m – Structural Engineered Timber

    This 300 x 63mm E13 H2 treated LVL beam offers high strength and dimensional stability for dependable framing. H2 treatment protects against termites in above‑ground, internal or protected external use. Precision‑manufactured LVL resists warping and shrinking, delivering straighter, flatter spans than solid timber. Perfect for bearers, joists, lintels and roof beams in residential and light commercial projects. Length: 4.2m. Install with compatible connectors and fasteners to meet AS/NZS requirements and achieve long‑lasting performance.

    $157.50

  • 300 x 63mm E13 H2 Treated LVL Beam – 4.8m – Structural Engineered Timber

    Ark Building Supplies 300 x 63mm E13 H2 Treated LVL Beam – 4.8m – Structural Engineered Timber

    Built for structural reliability, this 300 x 63mm E13 H2 treated LVL beam provides consistent strength and stability. H2 treatment delivers termite resistance for above‑ground, internal or protected external applications. LVL’s engineered construction minimises twist and shrinkage, ensuring straighter, more accurate framing than solid timber. Suited to bearers, joists, lintels and roof beams in residential and light commercial builds. Length: 4.8m. Use appropriate hangers and fasteners and install in accordance with AS/NZS standards.

    $180.00

  • 300 x 63mm E13 H2 Treated LVL Beam – 5.4m – Structural Engineered Timber

    Ark Building Supplies 300 x 63mm E13 H2 Treated LVL Beam – 5.4m – Structural Engineered Timber

    This 300 x 63mm E13 H2 treated LVL beam delivers dependable structural performance with excellent dimensional stability. H2 treatment protects against termites in above‑ground, internal or protected external use. LVL construction reduces warping and shrinkage versus solid timber for truer lines and easier installation. Ideal for bearers, joists, lintels and roof beams in residential and light commercial projects. Length: 5.4m. Install with compatible hangers and fixings to AS/NZS standards for reliable results on site.

    $202.50

  • 300 x 63mm E13 H2 Treated LVL Beam – 6.0m – Structural Engineered Timber

    Ark Building Supplies 300 x 63mm E13 H2 Treated LVL Beam – 6.0m – Structural Engineered Timber

    Engineered for consistent strength, this 300 x 63mm E13 H2 treated LVL beam suits demanding framing applications. H2 treatment delivers termite resistance for above‑ground, internal or protected external conditions. LVL’s stable, straight profile helps minimise twist and shrinkage compared with solid timber. Use for bearers, joists, lintels and roof beams in residential and light commercial construction. Length: 6.0m. Install using compatible connectors and fasteners and follow AS/NZS design guidelines for compliant performance.

    $225.00

  • 300 x 63mm E13 H2 Treated LVL Beam – 6.6m – Structural Engineered Timber

    Ark Building Supplies 300 x 63mm E13 H2 Treated LVL Beam – 6.6m – Structural Engineered Timber

    This 300 x 63mm E13 H2 treated LVL beam provides reliable strength and excellent straightness for structural framing. H2 treatment resists termites in above‑ground, internal or protected external environments. LVL construction reduces movement and distortion versus solid timber, aiding fast, accurate installation. Ideal for bearers, joists, lintels and roof beams in residential and light commercial work. Length: 6.6m. Use suitable hangers and fixings and install to AS/NZS standards to ensure compliant, long‑term performance.

    $247.50

  • 300 x 63mm E13 H2 Treated LVL Beam – 7.2m – Structural Engineered Timber

    Ark Building Supplies 300 x 63mm E13 H2 Treated LVL Beam – 7.2m – Structural Engineered Timber

    Delivering high and predictable strength, this 300 x 63mm E13 H2 treated LVL beam is ideal for long structural spans. H2 treatment offers termite resistance for above‑ground, internal or protected external use. LVL’s engineered stability minimises twist and shrinkage versus solid timber, improving build quality and speed. Use for bearers, joists, lintels and roof beams in residential and light commercial projects. Length: 7.2m. Install with compatible connectors and fasteners to AS/NZS requirements for assured performance.

    $270.00

  • 300 x 63mm Engineered I‑Joist – 3.0m – Lightweight Floor/Roof Joist

    Ark Building Supplies 300 x 63mm Engineered I‑Joist – 3.0m – Lightweight Floor/Roof Joist

    This 300 x 63mm engineered I‑joist delivers excellent stiffness‑to‑weight for efficient floor and roof framing. Lightweight yet strong, it installs quickly and provides consistent straightness for quieter, flatter floors when installed correctly. Compatible with common joist hangers and suitable for service penetrations per guidelines. Ideal for residential and light commercial applications. Length: 3.0m. Use approved fasteners and bracing and follow manufacturer and AS/NZS installation requirements for safe, compliant performance.

    $59.55

  • 300 x 63mm Engineered I‑Joist – 3.6m – Lightweight Floor/Roof Joist

    Ark Building Supplies 300 x 63mm Engineered I‑Joist – 3.6m – Lightweight Floor/Roof Joist

    Engineered for strength with minimal weight, this 300 x 63mm I‑joist streamlines floor and roof construction. The consistent, straight profile aids fast installation and helps deliver flat, quiet floors when installed to guidelines. Compatible with joist hangers and suitable for service holes as specified. Ideal for residential and light commercial framing. Length: 3.6m. Always use approved fixings and bracing and follow manufacturer instructions and AS/NZS standards for compliant, long‑lasting results.

    $71.46

  • 300 x 63mm Engineered I‑Joist – 4.2m – Lightweight Floor/Roof Joist

    Ark Building Supplies 300 x 63mm Engineered I‑Joist – 4.2m – Lightweight Floor/Roof Joist

    This 300 x 63mm engineered I‑joist offers high stiffness‑to‑weight for efficient spans in floors and roofs. Its lightweight design improves handling, while engineered straightness supports speed and accuracy on site. Compatible with standard joist hangers and service penetration guidelines. Ideal for residential and light commercial floor systems. Length: 4.2m. Install with approved fasteners and bracing and comply with manufacturer instructions and AS/NZS requirements for dependable performance.

    $83.37

  • 300 x 63mm Engineered I‑Joist – 4.8m – Lightweight Floor/Roof Joist

    Ark Building Supplies 300 x 63mm Engineered I‑Joist – 4.8m – Lightweight Floor/Roof Joist

    Delivering reliable strength with easy handling, this 300 x 63mm engineered I‑joist is ideal for floor and roof framing. The straight, dimensionally stable profile aids flat finishes and efficient installation. Designed to suit common joist hangers and service hole practices. Suitable for residential and light commercial builds. Length: 4.8m. Use approved connectors and follow manufacturer and AS/NZS installation standards to ensure compliant, long‑term structural performance.

    $95.28

  • 300 x 63mm Engineered I‑Joist – 5.4m – Lightweight Floor/Roof Joist

    Ark Building Supplies 300 x 63mm Engineered I‑Joist – 5.4m – Lightweight Floor/Roof Joist

    This 300 x 63mm engineered I‑joist provides excellent stiffness‑to‑weight for longer spans in floor and roof applications. Lightweight yet strong construction supports fast installation and consistent straightness. Compatible with standard hanger systems and service penetration guidance. Ideal for residential and light commercial use. Length: 5.4m. Always use approved fasteners and bracing and install to manufacturer instructions and AS/NZS standards for safe, compliant performance over the life of the structure.

    $107.19

  • 300 x 63mm Engineered I‑Joist – 6.0m – Lightweight Floor/Roof Joist

    Ark Building Supplies 300 x 63mm Engineered I‑Joist – 6.0m – Lightweight Floor/Roof Joist

    Optimised for strength and ease of handling, this 300 x 63mm engineered I‑joist suits long floor and roof spans. The straight, stable profile supports accurate, efficient installation and flat finishes. Compatible with joist hangers and service hole practices as specified. Ideal for residential and light commercial framing. Length: 6.0m. Use approved fixings and bracing and follow manufacturer guidance and AS/NZS requirements for compliant, durable performance on site.

    $119.10

  • 300 x 63mm Engineered I‑Joist – 6.6m – Lightweight Floor/Roof Joist

    Ark Building Supplies 300 x 63mm Engineered I‑Joist – 6.6m – Lightweight Floor/Roof Joist

    This 300 x 63mm engineered I‑joist delivers high stiffness with low weight for efficient long spans in floors and roofs. The straight, dimensionally stable member aids quick installation and consistent results. Compatible with common hanger systems and service penetration guidelines. Suited to residential and light commercial builds. Length: 6.6m. Install with approved fasteners and bracing and comply with manufacturer instructions and AS/NZS standards for reliable structural performance.

    $131.01

  • 300 x 63mm Engineered I‑Joist – 7.2m – Lightweight Floor/Roof Joist

    Ark Building Supplies 300 x 63mm Engineered I‑Joist – 7.2m – Lightweight Floor/Roof Joist

    Engineered for long spans and efficient handling, this 300 x 63mm I‑joist is ideal for floors and roofs. Lightweight construction supports faster installation while maintaining straightness and stability for flat, quiet floors when installed correctly. Compatible with standard joist hangers and service hole practices. Length: 7.2m. Use approved fixings and bracing and follow manufacturer guidance and AS/NZS requirements to ensure compliant, long‑term performance in residential and light commercial projects.

    $142.92

  • 300 x 65mm Heavy Duty Joist Hanger – Steel Connector for 65mm Joists

    Ark Building Supplies 300 x 65mm Heavy Duty Joist Hanger – Steel Connector for 65mm Joists

    A heavy duty steel joist hanger designed for 300mm deep members up to 65mm wide, providing secure load transfer from joists to supporting beams. Pre‑formed to hold joists square for fast installation and consistent alignment. Suitable for timber floor and deck framing, renovations and new builds. Use with appropriate nails or screws as specified. Ensure fixings and installation meet engineering and AS/NZS requirements for the intended load and exposure conditions.

    $7.95

  • 300 x 75mm E13 H2 Treated LVL Beam – 3.0m – Structural Engineered Timber

    Ark Building Supplies 300 x 75mm E13 H2 Treated LVL Beam – 3.0m – Structural Engineered Timber

    Engineered for strength and stability, this 300 x 75mm E13 H2 treated LVL beam handles higher loads while maintaining straightness. H2 treatment provides termite resistance for above‑ground, internal or protected external use. LVL’s consistent section reduces movement versus solid timber, aiding accurate installation. Ideal for bearers, joists, lintels and roof beams in residential and light commercial builds. Length: 3.0m. Use appropriate hangers and fasteners and install to AS/NZS framing requirements.

    $133.50

  • 300 x 75mm E13 H2 Treated LVL Beam – 3.6m – Structural Engineered Timber

    Ark Building Supplies 300 x 75mm E13 H2 Treated LVL Beam – 3.6m – Structural Engineered Timber

    This 300 x 75mm E13 H2 treated LVL beam provides higher capacity in a stable, straight member for demanding spans. H2 treatment protects against termites in above‑ground, internal or protected external environments. LVL minimises twist and shrinkage versus solid timber, improving accuracy and speed on site. Ideal for bearers, joists, lintels and roof beams in residential and light commercial projects. Length: 3.6m. Install with compatible connectors and fixings to AS/NZS standards for compliant performance.

    $160.20

  • 300 x 75mm E13 H2 Treated LVL Beam – 4.2m – Structural Engineered Timber

    Ark Building Supplies 300 x 75mm E13 H2 Treated LVL Beam – 4.2m – Structural Engineered Timber

    This 300 x 75mm E13 H2 treated LVL beam offers dependable structural capacity with excellent dimensional stability. H2 treatment safeguards against termites for above‑ground, internal or protected external applications. Precision‑made LVL reduces twist and shrinkage for straighter, faster framing than solid timber. Ideal for bearers, joists, lintels and roof beams. Length: 4.2m. Install with compatible connectors and fixings and follow AS/NZS standards for compliant, long‑term performance in service.

    $186.90

  • 300 x 75mm E13 H2 Treated LVL Beam – 4.8m – Structural Engineered Timber

    Ark Building Supplies 300 x 75mm E13 H2 Treated LVL Beam – 4.8m – Structural Engineered Timber

    Engineered for higher loads and straightness, this 300 x 75mm E13 H2 treated LVL beam is suited to demanding spans. H2 treatment provides termite resistance for above‑ground, internal or protected external use. LVL’s stable, uniform section helps minimise movement compared with solid timber, aiding speed and accuracy on site. Ideal for bearers, joists, lintels and roof beams. Length: 4.8m. Use appropriate hangers and fasteners and install to AS/NZS requirements for compliant results.

    $213.60

  • 300 x 75mm E13 H2 Treated LVL Beam – 5.4m – Structural Engineered Timber

    Ark Building Supplies 300 x 75mm E13 H2 Treated LVL Beam – 5.4m – Structural Engineered Timber

    This 300 x 75mm E13 H2 treated LVL beam delivers strong, predictable performance with excellent dimensional stability. H2 treatment resists termites for above‑ground, internal or protected external conditions. LVL construction reduces twist and shrinkage versus solid timber, supporting straight, accurate framing. Suitable for bearers, joists, lintels and roof beams in residential and light commercial projects. Length: 5.4m. Install using compatible connectors and fixings and comply with AS/NZS standards for assured performance.

    $240.30

  • 300 x 75mm E13 H2 Treated LVL Beam – 6.0m – Structural Engineered Timber

    Ark Building Supplies 300 x 75mm E13 H2 Treated LVL Beam – 6.0m – Structural Engineered Timber

    Designed for demanding spans, this 300 x 75mm E13 H2 treated LVL beam combines high capacity with straight, stable performance. H2 treatment provides termite resistance for above‑ground, internal or protected external use. LVL’s engineered consistency minimises movement compared with solid timber, improving installation speed and accuracy. Ideal for bearers, joists, lintels and roof beams. Length: 6.0m. Use compatible connectors and fasteners and install in accordance with AS/NZS standards.

    $267.00

  • 300 x 75mm E13 H2 Treated LVL Beam – 6.6m – Structural Engineered Timber

    Ark Building Supplies 300 x 75mm E13 H2 Treated LVL Beam – 6.6m – Structural Engineered Timber

    This 300 x 75mm E13 H2 treated LVL beam provides high strength and reliability for extended spans. H2 treatment safeguards against termites in above‑ground, internal or protected external environments. LVL’s stable, straight profile resists twist and shrinkage, helping deliver precise, faster installations. Ideal for bearers, joists, lintels and roof beams in residential and light commercial work. Length: 6.6m. Install with approved connectors and fasteners and follow AS/NZS standards for compliant performance.

    $293.70

  • 300 x 75mm E13 H2 Treated LVL Beam – 7.2m – Structural Engineered Timber

    Ark Building Supplies 300 x 75mm E13 H2 Treated LVL Beam – 7.2m – Structural Engineered Timber

    Engineered to carry higher loads over long spans, this 300 x 75mm E13 H2 treated LVL beam provides dependable structural performance. H2 treatment offers termite resistance for above‑ground, internal or protected external use. LVL’s dimensional stability reduces movement compared with solid timber for straighter, faster framing. Suitable for bearers, joists, lintels and roof beams. Length: 7.2m. Use compatible hangers and fixings and install to AS/NZS standards for long‑term, compliant results.

    $320.40

  • 300 x 90mm Engineered I‑Joist – 3.0m – High Capacity Floor/Roof Joist

    Ark Building Supplies 300 x 90mm Engineered I‑Joist – 3.0m – High Capacity Floor/Roof Joist

    This 300 x 90mm engineered I‑joist offers increased capacity with excellent stiffness‑to‑weight for floors and roofs. Lightweight construction improves handling and installation speed, while straightness supports flat, quiet floors when installed correctly. Compatible with standard joist hangers and service penetration guidelines. Suited to residential and light commercial applications. Length: 3.0m. Use approved fixings and bracing and follow manufacturer guidance and AS/NZS standards for compliant, durable structural performance.

    $81.00

  • 300 x 90mm Engineered I‑Joist – 3.6m – High Capacity Floor/Roof Joist

    Ark Building Supplies 300 x 90mm Engineered I‑Joist – 3.6m – High Capacity Floor/Roof Joist

    Engineered for strength and efficiency, this 300 x 90mm I‑joist delivers high capacity with low weight for floor and roof systems. The straight, stable member aids rapid installation and flat finishes. Compatible with common hanger systems and service hole guidance. Ideal for residential and light commercial framing. Length: 3.6m. Install with approved fasteners and bracing and comply with manufacturer instructions and AS/NZS standards for safe, long‑term performance.

    $97.20

  • 300 x 90mm Engineered I‑Joist – 4.2m – High Capacity Floor/Roof Joist

    Ark Building Supplies 300 x 90mm Engineered I‑Joist – 4.2m – High Capacity Floor/Roof Joist

    This 300 x 90mm engineered I‑joist provides excellent stiffness and capacity for longer spans in floors and roofs. Lightweight design reduces handling effort, while dimensional stability supports fast, accurate installation. Compatible with joist hangers and service penetration guidelines. Suitable for residential and light commercial builds. Length: 4.2m. Use approved fixings and bracing and follow manufacturer and AS/NZS requirements for dependable structural performance across the project’s life.

    $113.40

  • 300 x 90mm Engineered I‑Joist – 4.8m – High Capacity Floor/Roof Joist

    Ark Building Supplies 300 x 90mm Engineered I‑Joist – 4.8m – High Capacity Floor/Roof Joist

    Delivering strong, efficient spans, this 300 x 90mm engineered I‑joist is designed for floors and roofs where higher capacity is needed. Lightweight yet stable construction aids fast installation and consistent straightness. Compatible with standard hanger systems and service hole guidance. Ideal for residential and light commercial applications. Length: 4.8m. Install using approved connectors and bracing and follow manufacturer and AS/NZS standards for compliant, long‑lasting performance.

    $129.60

  • 300 x 90mm Engineered I‑Joist – 5.4m – High Capacity Floor/Roof Joist

    Ark Building Supplies 300 x 90mm Engineered I‑Joist – 5.4m – High Capacity Floor/Roof Joist

    This 300 x 90mm engineered I‑joist offers high capacity with excellent stiffness‑to‑weight for extended spans in floor and roof systems. Lightweight construction improves handling, while a straight, stable profile supports fast, accurate installation. Compatible with joist hangers and service penetration guidelines. Length: 5.4m. Use approved fasteners and bracing and follow manufacturer instructions and AS/NZS standards to ensure compliant, durable performance in residential and light commercial projects.

    $145.80

  • 300 x 90mm Engineered I‑Joist – 6.0m – High Capacity Floor/Roof Joist

    Ark Building Supplies 300 x 90mm Engineered I‑Joist – 6.0m – High Capacity Floor/Roof Joist

    Optimised for long spans and efficient handling, this 300 x 90mm engineered I‑joist provides high capacity for floors and roofs. The straight, dimensionally stable member supports rapid installation and flat finishes. Compatible with common hanger systems and service hole practices. Length: 6.0m. Install with approved fixings and bracing and comply with manufacturer and AS/NZS requirements for safe, long‑term structural performance in residential and light commercial builds.

    $162.00

  • 300 x 90mm Engineered I‑Joist – 6.6m – High Capacity Floor/Roof Joist

    Ark Building Supplies 300 x 90mm Engineered I‑Joist – 6.6m – High Capacity Floor/Roof Joist

    This 300 x 90mm engineered I‑joist delivers high capacity and excellent stiffness‑to‑weight for extended floor and roof spans. Lightweight construction aids easy handling, while engineered straightness supports fast, accurate installation. Compatible with joist hangers and service penetration guidelines. Length: 6.6m. Use approved connectors and bracing and follow manufacturer guidance and AS/NZS standards for compliant performance in residential and light commercial applications.

    $178.20

  • 300 x 90mm Engineered I‑Joist – 7.2m – High Capacity Floor/Roof Joist

    Ark Building Supplies 300 x 90mm Engineered I‑Joist – 7.2m – High Capacity Floor/Roof Joist

    Designed for long spans, this 300 x 90mm engineered I‑joist combines high capacity with low weight for efficient floor and roof framing. The straight, stable profile helps deliver flat, quiet floors when installed correctly and speeds installation. Compatible with standard hanger systems and service hole guidelines. Length: 7.2m. Install with approved fasteners and bracing and follow manufacturer and AS/NZS requirements for safe, durable performance in service.

    $194.40

  • 300 x 90mm Heavy Duty Joist Hanger – Steel Connector for 90mm Joists

    Ark Building Supplies 300 x 90mm Heavy Duty Joist Hanger – Steel Connector for 90mm Joists

    Heavy duty steel joist hanger sized for 300mm deep members up to 90mm wide. Provides a secure, code‑compliant connection from joists to beams, maintaining alignment and simplifying installation. Ideal for floor systems, decks and general timber framing. Use with specified nails or screws for the required load and exposure conditions. Ensure installation meets engineering requirements and AS/NZS standards for safe, reliable structural performance.

    $7.95

  • 3000 x 1200 x 4.5mm Fibre Cement Sheet – Moisture Resistant Wall Lining

    Ark Building Supplies 3000 x 1200 x 4.5mm Fibre Cement Sheet – Moisture Resistant Wall Lining

    Versatile 3000 x 1200 x 4.5mm fibre cement sheet for internal linings in wet areas and general wall applications. Moisture, rot and termite resistant, providing a stable substrate for paint or tile finishes. Smooth, flat surface is easy to score, snap and fix with suitable screws. Ideal for bathrooms, laundries and high‑use spaces. Install with appropriate jointing systems and sealants to manufacturer recommendations for a durable finish.

    $30.00

  • 3000 x 1200 x 6mm Villaboard Fibre Cement Sheet – Wet Area Wall Lining

    Ark Building Supplies 3000 x 1200 x 6mm Villaboard Fibre Cement Sheet – Wet Area Wall Lining

    Premium 3000 x 1200 x 6mm Villaboard fibre cement lining for wet area walls and high‑traffic interiors. Moisture and impact resistant, offering a stable, smooth substrate for tiles and painted finishes. Easy to score and snap, with clean edges for rapid installation. Ideal for bathrooms, laundries and commercial amenities. Fix with suitable screws and finish with compatible jointing compounds and sealants to achieve a long‑lasting, professional result.

    $43.20

  • 3000 x 1200 x 7.5mm Blueboard Fibre Cement Sheet – Render Base Cladding

    Ark Building Supplies 3000 x 1200 x 7.5mm Blueboard Fibre Cement Sheet – Render Base Cladding

    Durable 3000 x 1200 x 7.5mm Blueboard fibre cement sheet designed as a render base for external walls. Provides a stable, moisture‑resistant substrate with a keyed surface for acrylic render systems. Ideal for facades, feature walls and renovations. Dimensionally stable for cleaner lines and reduced cracking risk when installed correctly. Fix with compatible fasteners and follow render manufacturer system specifications for a robust, long‑lasting finish.

    $48.60

  • 300ml Cartridge Chemical Anchor Resin – Quickfix 300 Polyester – Rapid Cure

    Ark Building Supplies 300ml Cartridge Chemical Anchor Resin – Quickfix 300 Polyester – Rapid Cure

    Two-component 300ml cartridge resin for chemical anchoring of threaded rod and rebar in concrete, solid brick, and masonry. Quickfix 300 Polyester offers fast gel and cure times to speed installation and reduce downtime on site. Ideal for medium-duty fixings such as balustrades, railings, posts, brackets, and services. Dispenses with a standard caulking gun and static mixer nozzle; always prepare holes properly and respect temperature-based cure schedules. Suitable for overhead and horizontal applications.

    $25.00

  • 300mm x 10m Alcore Dampcourse Flashing Roll

    Ark Building Supplies 300mm x 10m Alcore Dampcourse Flashing Roll

    A 300mm x 10m Alcore dampcourse flashing roll designed to interrupt rising moisture in masonry and wall construction. Flexible and easy to install, it helps protect timber frames and internal finishes by providing a moisture barrier at critical junctions such as wall bases and window sills. Simple to cut and form on site for efficient application. A practical solution for durable, compliant brickwork and blockwork detailing in residential and light commercial builds.

    $44.00

  • 300mm x 30m Alcore Dampcourse Flashing Roll

    Ark Building Supplies 300mm x 30m Alcore Dampcourse Flashing Roll

    A longer 300mm x 30m Alcore dampcourse flashing roll for larger projects, providing a continuous moisture barrier in brickwork and blockwork. Installed at wall bases, sills, and cavity interfaces to help prevent rising damp and protect finishes. Flexible, easy to cut, and quick to install for efficient site productivity. A practical solution for durable, moisture-managed construction across residential and light commercial applications requiring extended coverage.

    $130.00

  • 300mm x 30m Polycourse Dampcourse Flashing Roll

    Ark Building Supplies 300mm x 30m Polycourse Dampcourse Flashing Roll

    A 300mm x 30m Polycourse dampcourse flashing roll designed to resist moisture ingress in masonry walls. Made for use at base courses, sills, and junctions to protect frames and interior finishes from rising damp. Lightweight, flexible, and easy to cut for fast installation on site. Suitable for residential and light commercial builds. An economical, reliable dampcourse solution offering consistent moisture management across long runs and multiple locations.

    $25.00


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Ark Building Supplies

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