Ark Building Supplies
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Ark Building Supplies 235 x 65mm I‑Joist Face Mount Hanger – Galvanised Steel
This 235 x 65mm face mount hanger is designed for I‑Joists, providing a secure connection to beams or ledgers. Manufactured from galvanised steel for corrosion resistance, it features pre‑punched holes for fast, accurate fixing and reliable load transfer. Sized to suit 65mm‑wide I‑Joist flanges, it supports efficient installation across floor and roof systems. A dependable solution for residential and light commercial projects where consistent, code‑compliant connections are essential for engineered timber systems.
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Ark Building Supplies 235 x 90mm I‑Joist Face Mount Hanger – Galvanised Steel
This 235 x 90mm face mount hanger provides a robust connection for I‑Joists to beams or ledgers. Made from galvanised steel for durability and corrosion resistance, it includes pre‑punched fixing points for quick, precise installation. Sized for 90mm‑wide I‑Joist flanges, it ensures reliable load transfer in floor and roof systems. Ideal for residential and light commercial builds using engineered timber, delivering consistent, secure connections that support efficient framing and long‑term performance.
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Ark Building Supplies 240 x 45mm F5 Oregon Structural Timber – 2.4m Length
This 240 x 45mm F5 Oregon (Douglas Fir) structural timber provides reliable performance for beams, rafters, bearers and general framing. The stable section is easy to cut, fix and handle on site, supporting efficient construction and clean detailing. Supplied in a 2.4m length for common spans and trimming, it’s suitable for residential builds and renovations where dependable, versatile timber is required. Use with appropriate connectors and fasteners to achieve strong, consistent structural outcomes.
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Ark Building Supplies 240 x 45mm F5 Oregon Structural Timber – 3.0m Length
This 240 x 45mm F5 Oregon (Douglas Fir) structural timber delivers dependable strength and workability for beams, rafters, bearers and general framing. Straight and easy to machine, it supports efficient installation and neat detailing. Supplied in a 3.0m length for broader spans and layout flexibility, it’s ideal for residential construction and renovations. Compatible with standard timber connectors and fasteners, it provides a versatile, reliable solution for common structural requirements on site.
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Ark Building Supplies 240 x 45mm Face-Mount Joist Hanger – Galvanised Connector for I-Joists & Timber Framing
Face-mount joist hanger sized for 240 x 45mm I-joists and solid timber. Heavy-duty galvanised steel with pre-punched holes for quick, accurate fixing to supporting members. Provides strong, reliable seat support for floors and decks in residential and light commercial builds. Compatible with common nail and screw fixings; maintain specified edge distances and corrosion protection appropriate to the environment.
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Ark Building Supplies 240 x 45mm x 2.4m H2 Treated Pine MGP10 Structural Timber – Termite Resistant for Internal Framing
Machine graded MGP10 H2 treated pine, 240 x 45mm x 2.4m, for internal above-ground structural use. H2 treatment provides termite resistance in protected environments. Straight, lightweight and easy to cut and fix, ideal for wall plates, bearers, joists and general framing. Consistent strength grading ensures predictable performance on site. Kiln-dried for stability and suitable for standard nails, screws and brackets.
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Ark Building Supplies 240 x 45mm x 3.0m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Engineered timber I-joist, 240 x 45mm x 3.0m, designed for lightweight floor and roof systems. High stiffness, straightness and dimensional stability enable longer spans with reduced deflection and fewer squeaks. Quick to handle and install, ideal for residential and light commercial builds. Use with compatible hangers and connectors for optimal performance.
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Ark Building Supplies 240 x 45mm x 3.0m H2 Treated Pine MGP10 Structural Timber – Termite Resistant for Internal Framing
MGP10 H2 treated pine, 240 x 45mm x 3.0m, designed for internal above-ground structural framing. H2 treatment delivers termite resistance in protected applications. Straight, stable and easy to work, perfect for studs, plates, joists and general framing in residential builds. Reliable strength grading ensures consistent load capacity and fastening. Kiln-dried for reduced movement and compatible with common connectors.
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Ark Building Supplies 240 x 45mm x 3.0m H3 CCA Treated Pine Structural Timber – External Above-Ground Use
Structural H3 CCA treated pine, 240 x 45mm x 3.0m, designed for external above‑ground applications. Provides resistance to decay and insect attack in exposed environments. Straight, stable and easy to work for decks, pergolas, fascia and exterior framing where added durability is required. Reliable fastener holding with nails and screws. Always follow appropriate fixings and coating guidance for outdoor use.
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Ark Building Supplies 240 x 45mm x 3.0m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
LVL engineered timber, E13 rating with H2 treatment, sized 240 x 45mm x 3.0m for internal, above‑ground applications. High strength and stiffness provide reliable performance for beams, joists, lintels and trimmers. Straight and stable with minimal movement for clean, predictable installation. H2 treatment offers termite resistance in protected environments. Compatible with standard timber connectors and fixings.
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Ark Building Supplies 240 x 45mm x 3.6m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
240 x 45mm x 3.6m engineered timber I-joist for efficient floor and roof framing. Offers excellent stiffness-to-weight ratio, straightness and predictable performance. Enables long spans and faster installation with fewer callbacks. Use with face-mount joist hangers and approved connectors. Suitable for residential floors and roof structures.
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Ark Building Supplies 240 x 45mm x 3.6m F5 Oregon Structural Timber – For Framing, Rafters & General Construction
Premium F5 Oregon structural timber, sized 240 x 45mm and supplied in a 3.6m length. Stable, straight and easy to work, it’s ideal for framing, rafters, joists and general construction where untreated softwood is suitable. F5 grading offers dependable load capacity with good nail-holding and machining characteristics. Use for internal applications or protected external areas. Kiln-dried for improved stability and compatible with standard fixings and connectors.
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Ark Building Supplies 240 x 45mm x 3.6m H2 Treated Pine MGP10 Structural Timber – Termite Resistant for Internal Framing
Structural MGP10 H2 treated pine, 240 x 45mm x 3.6m for efficient internal framing. H2 treatment protects against termites in above‑ground, protected environments. Easy to saw, nail and screw; ideal for wall frames, bearers, joists and trimmers. Machine grading delivers consistent strength and predictable performance. Kiln-dried for dimensional stability and smooth installation with standard fixings.
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Ark Building Supplies 240 x 45mm x 3.6m H3 CCA Treated Pine Structural Timber – External Above-Ground Use
H3 CCA treated pine structural timber in 240 x 45mm x 3.6m for durable exterior framing. Treated for resistance to decay and insects in above‑ground exposure. Straight and workable; ideal for decks, pergolas, fascia and outdoor trims. Provides dependable structural performance and secure fixing with appropriate fasteners. Apply suitable coatings for enhanced weathering protection.
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Ark Building Supplies 240 x 45mm x 3.6m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
Engineered LVL E13, H2 treated, 240 x 45mm x 3.6m for high-strength internal framing. E13 grading delivers superior load capacity with minimal shrinkage and warp. H2 treatment provides termite resistance for above‑ground protected use. Ideal for beams, lintels, joists, trimmers and floor systems. Straight, dimensionally stable and easy to fix with standard connectors.
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Ark Building Supplies 240 x 45mm x 4.2m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Engineered I-joist, 240 x 45mm x 4.2m, for strong, lightweight floor and roof systems. Delivers consistent straightness, reduced shrinkage and minimal squeaks. Ideal for residential spans with quick installation using compatible hangers and fixings. Provides predictable structural performance and easier services routing.
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Ark Building Supplies 240 x 45mm x 4.2m F5 Oregon Structural Timber – For Framing, Rafters & General Construction
F5 Oregon structural timber, 240 x 45mm in a 4.2m length for longer spans and fewer joints. Straight, stable and easy to cut and fasten, it suits framing, rafters, joists and general interior construction where untreated softwood is acceptable. F5 grade gives consistent strength and reliable performance. Ideal for residential fit-outs and protected outdoor areas. Works well with common nails, screws and brackets.
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Ark Building Supplies 240 x 45mm x 4.2m H2 Treated Pine MGP10 Structural Timber – Termite Resistant for Internal Framing
MGP10 H2 treated pine, 240 x 45mm x 4.2m, for internal above‑ground structural applications. Offers termite resistance in protected conditions. Straight, stable and lightweight, suitable for studs, lintels, joists and general framing. Consistent machine grading ensures reliable load performance and fastener holding. Kiln-dried for reduced shrinkage and warping. Compatible with nails, screws and standard timber connectors.
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Ark Building Supplies 240 x 45mm x 4.2m H3 CCA Treated Pine Structural Timber – External Above-Ground Use
Exterior-grade H3 CCA treated pine, 240 x 45mm x 4.2m, for above‑ground structures. Treatment protects against rot and insect attack, making it suitable for decks, pergolas, fascia and outdoor framing. Straight and stable for efficient installation with nails or screws. Apply recommended coatings and maintain fixings for long-term performance.
$103.20
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Ark Building Supplies 240 x 45mm x 4.2m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
High-performance LVL, E13 H2 treated, 240 x 45mm x 4.2m for internal structural framing. Delivers consistent strength, straightness and stability for beams, joists, lintels and trimmers. H2 treatment provides termite resistance for above‑ground protected use. Easy to cut and fix with nails, screws and brackets. Reliable engineered timber for residential and light commercial projects.
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Ark Building Supplies 240 x 45mm x 4.8m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
240 x 45mm x 4.8m engineered timber I-joist for efficient floor and roof framing. High stiffness and straightness support long spans with reduced deflection. Lightweight for faster handling and installation. Use with matched joist hangers and connectors for secure support. Suitable for residential and light commercial applications.
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Ark Building Supplies 240 x 45mm x 4.8m F5 Oregon Structural Timber – For Framing, Rafters & General Construction
High-quality F5 Oregon structural timber in 240 x 45mm, supplied in a 4.8m length. Known for its straightness, workability and reliable strength, it’s suited to framing, rafters, joists and general construction where untreated softwood is appropriate. F5 grading delivers predictable load capacity and fastening performance. Ideal for interior structural use or protected locations. Compatible with standard timber connectors and fixings.
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Ark Building Supplies 240 x 45mm x 4.8m H2 Treated Pine MGP10 Structural Timber – Termite Resistant for Internal Framing
Structural H2 treated pine MGP10 in 240 x 45mm x 4.8m for longer internal spans. H2 treatment provides termite resistance for above‑ground, protected use. Straight, consistent and easy to install for wall frames, bearers and joists. Machine grading offers predictable strength and stiffness. Kiln-dried for stability and compatible with standard fixings and brackets.
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Ark Building Supplies 240 x 45mm x 4.8m H3 CCA Treated Pine Structural Timber – External Above-Ground Use
H3 CCA treated pine in 240 x 45mm x 4.8m for durable outdoor framing. Resistance to decay and insect attack supports long service life in above‑ground, exposed conditions. Straight, easy to work and suitable for decks, pergolas and fascia. Use corrosion-resistant fasteners and appropriate coatings for best results.
$115.20
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Ark Building Supplies 240 x 45mm x 4.8m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
E13 H2 treated LVL engineered timber, 240 x 45mm x 4.8m, designed for internal above‑ground applications. Offers high strength, straightness and dimensional stability for beams, joists, lintels and trimmers. H2 treatment ensures termite resistance in protected environments. Installs easily with standard fasteners and connectors for efficient construction.
$103.20
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Ark Building Supplies 240 x 45mm x 5.4m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Engineered I-joist, 240 x 45mm x 5.4m, offering long-span capability and consistent performance for floors and roofs. Straight, stable and lightweight to speed installation with fewer callbacks. Works with compatible face-mount hangers and fixings. Ideal for residential and light commercial framing where efficiency matters.
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Ark Building Supplies 240 x 45mm x 5.4m F5 Oregon Structural Timber – For Framing, Rafters & General Construction
Long-length F5 Oregon structural timber, 240 x 45mm x 5.4m, minimises joints and speeds framing. Straight, stable and easy to machine, it’s ideal for rafters, joists, studs and general internal construction where untreated softwood is suitable. F5 grade ensures dependable structural performance and good fastener holding. Use in residential builds and protected external applications. Works with nails, screws and standard brackets.
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Ark Building Supplies 240 x 45mm x 5.4m H2 Treated Pine MGP10 Structural Timber – Termite Resistant for Internal Framing
Long-length 5.4m MGP10 H2 treated pine in 240 x 45mm for efficient internal framing with fewer joints. H2 treatment ensures termite resistance in protected, above‑ground applications. Straight, stable and easy to cut and fix, ideal for wall frames, joists and trimmers. Consistent machine-graded strength supports reliable structural performance. Kiln-dried for dimensional stability.
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Ark Building Supplies 240 x 45mm x 5.4m H3 CCA Treated Pine Structural Timber – External Above-Ground Use
Long 5.4m length H3 CCA treated pine, 240 x 45mm, for exterior above‑ground structures. Treatment enhances resistance to rot and insects. Straight and stable for decks, pergolas, fascia and general outdoor framing. Use with suitable corrosion-resistant fixings and apply recommended coatings to improve durability.
$129.60
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Ark Building Supplies 240 x 45mm x 5.4m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
Long-length LVL engineered timber, E13 H2 treated, 240 x 45mm x 5.4m for efficient internal framing. Provides high strength, stiffness and straightness with minimal shrinkage. H2 treated for termite resistance in above‑ground protected use. Ideal for beams, joists, lintels and trimmers requiring reliable performance. Compatible with standard timber connectors and fixings.
$116.10
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Ark Building Supplies 240 x 45mm x 6.0m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Long 6.0m 240 x 45mm engineered timber I-joist for extended spans and fewer joints. Provides high stiffness, straightness and dimensional stability for quiet, solid floors and roofs. Lightweight for rapid handling and installation. Use with compatible joist hangers and connectors. Suitable for residential and light commercial structures.
$103.80
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Ark Building Supplies 240 x 45mm x 6.0m F5 Oregon Structural Timber – For Framing, Rafters & General Construction
Extended 6.0m length F5 Oregon structural timber in 240 x 45mm for long runs and reduced splicing. Provides reliable strength, straightness and excellent workability for framing, rafters, joists and general construction where untreated softwood suffices. F5 structural grading supports consistent load performance and secure fixings. Suitable for interior applications or protected areas outdoors. Compatible with standard nails, screws and connectors.
$108.00
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Ark Building Supplies 240 x 45mm x 6.0m H2 Treated Pine MGP10 Structural Timber – Termite Resistant for Internal Framing
Extended 6.0m MGP10 H2 treated pine, 240 x 45mm, for long internal runs and reduced splicing. H2 treatment provides termite resistance for above‑ground protected use. Straight, lightweight and easy to install for studs, plates, joists and general framing. Machine grading offers dependable strength and stiffness; kiln-dried for improved stability. Compatible with nails, screws and standard connectors.
$108.00
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Ark Building Supplies 240 x 45mm x 6.0m H3 CCA Treated Pine Structural Timber – External Above-Ground Use
Exterior structural H3 CCA treated pine, 240 x 45mm x 6.0m, for long runs with fewer joints. Treated for enhanced durability against decay and insects in above‑ground exposure. Straight and workable for decks, pergolas, fascia and outdoor framing. Use corrosion-resistant fasteners and maintain surface coatings for longevity.
$144.00
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Ark Building Supplies 240 x 45mm x 6.0m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
E13 LVL engineered timber, H2 treated, 240 x 45mm x 6.0m for long internal spans with fewer joints. High strength and straightness deliver predictable performance for beams, joists and lintels. H2 treatment provides termite resistance in protected above‑ground applications. Easy to install with nails, screws and brackets.
$129.00
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Ark Building Supplies 240 x 45mm x 6.6m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Engineered timber I-joist, 240 x 45mm x 6.6m, tailored for long spans with consistent performance. Straight and stable to reduce floor bounce and squeaks. Lightweight, easy to install and compatible with face-mount hangers and approved fixings. Ideal for residential floors and roof framing where efficiency and speed are required.
$114.18
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Ark Building Supplies 240 x 45mm x 6.6m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
Engineered LVL E13, H2 treated, 240 x 45mm x 6.6m for extended internal spans. Delivers high strength, stiffness and reliable straightness with minimal movement. H2 treatment resists termite attack in protected, above‑ground use. Ideal for beams, joists, lintels and trimmers where long lengths improve efficiency. Installs with standard connectors.
$141.90
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Ark Building Supplies 240 x 45mm x 7.2m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Extra-long 7.2m 240 x 45mm engineered timber I-joist for expansive spans and fewer joints. High stiffness and straightness enable quiet, solid floors and smooth roof lines. Lightweight construction speeds handling and installation. Use with compatible hangers and fixings for secure connections. Suitable for residential and light commercial projects.
$124.56
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Ark Building Supplies 240 x 45mm x 7.2m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
Long-span LVL engineered timber, E13 H2 treated, 240 x 45mm x 7.2m for internal above‑ground applications. Provides superior strength and dimensional stability for beams, joists, lintels and trimmers with reduced joints. H2 treatment offers termite resistance in protected environments. Straight, reliable and easy to fix with common connectors.
$154.80
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Ark Building Supplies 240 x 63mm Engineered Timber I‑Joist – 7.2m – Lightweight, High Strength for Floor & Roof Framing
Engineered timber I‑joist with 240 mm depth and 63 mm flange offers outstanding strength‑to‑weight performance and consistent straightness. Minimises shrinkage, squeaks and deflection compared with solid timber. Ideal for long‑span floor and roof framing in residential and light commercial builds. Quick to install and easy to service with compliant penetrations for plumbing and electrical. Suitable with common LVL and joist hanger systems.
$137.88
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Ark Building Supplies 240 x 63mm x 3.0m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Engineered timber I-joist, 240 x 63mm x 3.0m, designed for robust floor and roof systems. The wider 63mm flange improves bearing and fixing performance. High stiffness and straightness support long spans with minimal deflection. Lightweight for quick handling and installation using compatible joist hangers and connectors. Ideal for residential and light commercial projects.
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Ark Building Supplies 240 x 63mm x 3.0m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
Engineered LVL E13, H2 treated, 240 x 63mm x 3.0m for internal above‑ground structural framing. The 63mm thickness offers enhanced load transfer and connection strength. Straight, dimensionally stable and reliable for beams, joists, lintels and trimmers. H2 treatment protects against termites in protected environments. Installs with standard nails, screws and brackets.
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Ark Building Supplies 240 x 63mm x 3.6m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
240 x 63mm x 3.6m engineered I-joist for efficient, lightweight floor and roof framing. Wider flange enhances connection capacity and stability. Straight, dimensionally stable and quick to install. Use with compatible face-mount hangers and approved fixings. Delivers predictable structural performance and reduced squeaks.
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Ark Building Supplies 240 x 63mm x 3.6m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
LVL engineered timber, E13 H2 treated, 240 x 63mm x 3.6m for internal above‑ground use. Wider 63mm section improves bearing and connection capacity. High strength, straightness and stability for beams, joists, lintels and trimmers. H2 treatment provides termite resistance in protected environments. Easy to install with standard connectors and fixings.
$108.00
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Ark Building Supplies 240 x 63mm x 4.2m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Engineered I-joist, 240 x 63mm x 4.2m, offering high stiffness-to-weight ratio for floors and roofs. Straight and stable for long spans and rapid installation. Wider flange supports improved bearing and fastener performance. Use with compatible hangers and connectors for secure support. Suits residential and light commercial framing.
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Ark Building Supplies 240 x 63mm x 4.2m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
High-strength LVL engineered timber, E13 H2 treated, 240 x 63mm x 4.2m for internal framing. Wider section improves stiffness and bearing for beams, joists and lintels. Straight and stable with minimal shrinkage. H2 treatment offers termite resistance for above‑ground protected applications. Compatible with standard timber connectors.
$126.00
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Ark Building Supplies 240 x 63mm x 4.8m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
240 x 63mm x 4.8m engineered timber I-joist for strong, lightweight floor and roof systems. Provides excellent straightness and long-span capability with reduced deflection. Wider flange improves connection strength. Fast to handle and install with compatible hangers and fixings. Ideal for residential builds.
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Ark Building Supplies 240 x 63mm x 4.8m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
E13 H2 treated LVL, 240 x 63mm x 4.8m, for internal above‑ground structural use. Provides high strength, straightness and dimensional stability with increased bearing width. Ideal for beams, joists, lintels and trimmers with predictable performance. H2 treatment delivers termite resistance in protected environments. Installs easily with standard fixings.
$144.00
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