I Joist
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Swadlings Timber & Hardware 240 x 45mm x 4.8m Engineered Timber I-Joist – H2S Treated – meyJOIST – for Floors & Roofs
Engineered for straightness and stability, meyJOIST H2S I-joists help deliver flat, quiet floors. This 240 x 45mm, 4.8m section includes H2S termite protection for internal, above-ground applications and offers dependable stiffness for floors and roofs. Lightweight for easy handling, it cuts and fixes with standard tools and widely available hangers. Expect improved spans, reduced deflection and clean services integration. Ideal for residential and light commercial framing where speed and predictable performance are essential.
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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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Swadlings Timber & Hardware 240 x 45mm x 5.1m Engineered Timber I-Joist – H2S Treated – meyJOIST – for Floors & Roofs
meyJOIST H2S engineered timber I-joists provide high stiffness and low weight for efficient builds. This 240 x 45mm, 5.1m member is termite-protected (H2S) for internal, above-ground use and performs in floors and roof framing. Factory-straight and dimensionally stable, it installs quickly using standard tools and common connectors. Achieve longer spans, reduced bounce and fewer intermediate supports. Ideal for residential and light commercial applications where accuracy, speed and consistent quality matter.
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Swadlings Timber & Hardware 240 x 45mm x 5.4m Engineered Timber I-Joist – H2S Treated – meyJOIST – for Floors & Roofs
Delivering strength with light handling, meyJOIST H2S I-joists streamline framing. This 240 x 45mm, 5.4m length features H2S termite protection for internal, above-ground applications and provides excellent stiffness for floors and roofs. Straight and stable, it cuts, drills and fixes with standard tools and hangers. Expect improved spans, reduced deflection and cleaner service penetrations. Suited to residential and light commercial projects where consistent performance and fast installation are priorities.
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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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Swadlings Timber & Hardware 240 x 45mm x 5.7m Engineered Timber I-Joist – H2S Treated – meyJOIST – for Floors & Roofs
meyJOIST H2S engineered timber I-joists are designed for straight, quiet floors and efficient roofs. This 240 x 45mm, 5.7m member is H2S termite-protected for internal, above-ground use and delivers reliable stiffness. Lightweight and easy to handle, it cuts and fixes with standard tools and readily available brackets. Achieve longer spans, lower bounce and fewer supports to simplify layouts. Ideal for residential and light commercial builds where speed, accuracy and consistent results are essential.
$104.31
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Swadlings Timber & Hardware 240 x 45mm x 6.0m Engineered Timber I-Joist – H2S Treated – meyJOIST – for Floors & Roofs
Strong, straight and stable, meyJOIST H2S I-joists boost build efficiency. This 240 x 45mm, 6.0m joist is H2S termite-protected for internal, above-ground applications and provides dependable stiffness for floors and roof framing. Lightweight for easy handling, it installs quickly using standard tools and hangers. Expect improved spans, reduced deflection and clean service routing. A dependable choice for residential and light commercial projects focused on quality and speed.
$109.80
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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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Swadlings Timber & Hardware 240 x 45mm x 6.3m Engineered Timber I-Joist – H2S Treated – meyJOIST – for Floors & Roofs
meyJOIST H2S engineered timber I-joists deliver high stiffness and precision. This 240 x 45mm, 6.3m member features H2S termite protection for internal, above-ground use and enhances floor and roof performance. Straight and dimensionally stable, it is simple to cut, drill and fix with standard tools and common connectors. Achieve longer spans, lower bounce and fewer intermediate supports. Ideal for residential and light commercial framing where consistent quality and fast installation matter.
$115.29
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Swadlings Timber & Hardware 240 x 45mm x 6.6m Engineered Timber I-Joist – H2S Treated – meyJOIST – for Floors & Roofs
Engineered for straightness and strength, meyJOIST H2S I-joists simplify framing. This 240 x 45mm, 6.6m section is termite-protected (H2S) for internal, above-ground use and delivers reliable stiffness in floors and roofs. Lightweight and easy to handle, it fixes with standard tools and widely available hangers. Achieve improved spans, reduced deflection and cleaner services integration. Ideal for residential and light commercial applications where accuracy, efficiency and consistent performance are required.
$120.78
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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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Swadlings Timber & Hardware 240 x 45mm x 6.9m Engineered Timber I-Joist – H2S Treated – meyJOIST – for Floors & Roofs
meyJOIST H2S engineered timber I-joists provide dependable stiffness with easy handling. This 240 x 45mm, 6.9m member is H2S termite-protected for internal, above-ground applications and performs in floors and roof framing. Factory-straight and dimensionally stable, it is quick to cut and fix with standard tools and hardware. Achieve longer spans, reduced bounce and fewer mid-supports. Ideal for residential and light commercial projects seeking quality, speed and predictable structural performance.
$126.27
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Swadlings Timber & Hardware 240 x 45mm x 7.2m Engineered Timber I-Joist – H2S Treated – meyJOIST – for Floors & Roofs
Designed for efficiency, meyJOIST H2S I-joists deliver strength, stability and straightness. This 240 x 45mm, 7.2m length includes H2S termite protection for internal, above-ground use and offers reliable stiffness for floors and roofs. Lightweight and easy to handle, it cuts and fixes with standard tools and common hangers. Achieve longer spans, less deflection and simplified services. An excellent choice for residential and light commercial framing where consistent quality and fast installation are essential.
$131.76
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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 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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Advanced Timber & Hardware 240 x 63mm I-Joist - 3.0m
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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Advanced Timber & Hardware 240 x 63mm I-Joist - 3.6m
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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Advanced Timber & Hardware 240 x 63mm I-Joist - 4.2m
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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Advanced Timber & Hardware 240 x 63mm I-Joist - 4.8m
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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Advanced Timber & Hardware 240 x 63mm I-Joist - 5.4m
Engineered I-joist, 240 x 63mm x 5.4m, for efficient floor and roof framing with fewer joints. Straight, stable and light to handle, supporting long spans and consistent performance. Use with face-mount hangers and approved connectors for reliable support. Suits residential and light commercial applications.
$103.41
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Advanced Timber & Hardware 240 x 63mm I-Joist - 6.0m
Long 6.0m 240 x 63mm engineered timber I-joist for expansive spans and faster installs. High stiffness, straightness and dimensional stability reduce floor bounce and squeaks. The wider flange improves bearing and fixing performance. Use with compatible hangers and fixings. Ideal for residential and light commercial framing.
$114.90
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Advanced Timber & Hardware 240 x 63mm I-Joist - 6.6m
Engineered timber I-joist, 240 x 63mm x 6.6m, tailored for long spans with predictable performance. Straight, stable and lightweight to speed installation. Wider flange enhances connection and bearing capacity. Use with compatible face-mount hangers and fixings. Suitable for residential floors and roof framing.
$126.39
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Advanced Timber & Hardware 240 x 63mm I-Joist - 7.2m
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 3.6m 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 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 4.8m 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 5.4m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Engineered I-joist, 240 x 63mm x 5.4m, for efficient floor and roof framing with fewer joints. Straight, stable and light to handle, supporting long spans and consistent performance. Use with face-mount hangers and approved connectors for reliable support. Suits residential and light commercial applications.
$103.41
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Ark Building Supplies 240 x 63mm x 6.0m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Long 6.0m 240 x 63mm engineered timber I-joist for expansive spans and faster installs. High stiffness, straightness and dimensional stability reduce floor bounce and squeaks. The wider flange improves bearing and fixing performance. Use with compatible hangers and fixings. Ideal for residential and light commercial framing.
$114.90
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Ark Building Supplies 240 x 63mm x 6.6m Engineered Timber I-Joist – Lightweight Floor/Roof Joist
Engineered timber I-joist, 240 x 63mm x 6.6m, tailored for long spans with predictable performance. Straight, stable and lightweight to speed installation. Wider flange enhances connection and bearing capacity. Use with compatible face-mount hangers and fixings. Suitable for residential floors and roof framing.
$126.39
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Ark Building Supplies 240 x 90mm Engineered Timber I‑Joist – 3.0m – Lightweight, High Strength for Floor & Roof Framing
Engineered timber I‑joist with 240 mm depth and 90 mm flange delivers superior strength‑to‑weight and straight, stable performance. Reduces shrinkage and squeaks compared with solid joists and speeds installation. Ideal for floor and roof systems in residential and light commercial builds. Compatible with standard hangers and bracing hardware. Cut service penetrations in line with manufacturer guidelines.
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Ark Building Supplies 240 x 90mm Engineered Timber I‑Joist – 3.6m – Lightweight, High Strength for Floor & Roof Framing
Lightweight engineered I‑joist offering reliable span capacity, straightness and fast installation. 240 mm depth with 90 mm flange width suits common residential floor and roof framing layouts. Minimises deflection and long‑term movement. Accepts carefully positioned service penetrations per engineering guides. Compatible with LVL beams and joist hanger systems.
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Ark Building Supplies 240 x 90mm Engineered Timber I‑Joist – 4.2m – Lightweight, High Strength for Floor & Roof Framing
Engineered I‑joist with 240 mm depth and 90 mm flange for efficient long‑span framing. Provides excellent stiffness and uniformity, helping to eliminate floor bounce and squeaks. Saves time and labour compared with solid sections. For residential and light commercial floors and roofs. Use with approved connectors and follow service hole guidelines.
$105.00
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Ark Building Supplies 240 x 90mm Engineered Timber I‑Joist – 4.8m – Lightweight, High Strength for Floor & Roof Framing
High‑performance engineered timber I‑joist providing stable, straight spans for floors and roofs. The 240 x 90 mm profile offers excellent strength‑to‑weight and dimensional consistency. Faster to handle and install, with reduced waste. Compatible with standard metal connectors and LVL members. Service holes may be cut in accordance with manufacturer instructions.
$120.00
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Ark Building Supplies 240 x 90mm Engineered Timber I‑Joist – 5.4m – Lightweight, High Strength for Floor & Roof Framing
Engineered I‑joist in a 240 x 90 mm section delivers reliable spans with less mass, improving handling and installation efficiency. Straight, stable, and consistent to reduce floor squeaks and deflection. Ideal for residential and light commercial framing. Use appropriate hangers, bracing and fixings. Follow service penetration guidance.
$135.00
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Ark Building Supplies 240 x 90mm Engineered Timber I‑Joist – 6.0m – Lightweight, High Strength for Floor & Roof Framing
Long‑length engineered timber I‑joist with 240 mm depth and 90 mm flange supports efficient, straight floor and roof structures. Reduces movement and improves acoustic performance compared with conventional joists. Quick to install and easy to detail with common hardware. Service penetrations allowed per engineering tables.
$150.00
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Ark Building Supplies 240 x 90mm Engineered Timber I‑Joist – 6.6m – Lightweight, High Strength for Floor & Roof Framing
Engineered timber I‑joist providing long, stable spans for floors and roofs with minimal weight. The 240 x 90 mm specification offers excellent stiffness and uniformity, improving finish quality and comfort. Compatible with LVL beams and metal connectors. Cut service holes only as per manufacturer’s guidance.
$165.00
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Ark Building Supplies 240 x 90mm Engineered Timber I‑Joist – 7.2m – Lightweight, High Strength for Floor & Roof Framing
Longest standard length in the 240 x 90 mm series for maximum spanning efficiency. Delivers excellent straightness, reduced shrinkage and quieter floors compared to solid sawn joists. Ideal for large open‑plan layouts and roof systems. Use approved hangers and bracing; create service penetrations per tables.
$180.00
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Advanced Timber & Hardware 240 x 90mm I-Joist - 3.0m
Engineered timber I‑joist with 240 mm depth and 90 mm flange delivers superior strength‑to‑weight and straight, stable performance. Reduces shrinkage and squeaks compared with solid joists and speeds installation. Ideal for floor and roof systems in residential and light commercial builds. Compatible with standard hangers and bracing hardware. Cut service penetrations in line with manufacturer guidelines.
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Advanced Timber & Hardware 240 x 90mm I-Joist - 3.6m
Lightweight engineered I‑joist offering reliable span capacity, straightness and fast installation. 240 mm depth with 90 mm flange width suits common residential floor and roof framing layouts. Minimises deflection and long‑term movement. Accepts carefully positioned service penetrations per engineering guides. Compatible with LVL beams and joist hanger systems.
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Advanced Timber & Hardware 240 x 90mm I-Joist - 4.2m
Engineered I‑joist with 240 mm depth and 90 mm flange for efficient long‑span framing. Provides excellent stiffness and uniformity, helping to eliminate floor bounce and squeaks. Saves time and labour compared with solid sections. For residential and light commercial floors and roofs. Use with approved connectors and follow service hole guidelines.
$105.00
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Advanced Timber & Hardware 240 x 90mm I-Joist - 4.8m
High‑performance engineered timber I‑joist providing stable, straight spans for floors and roofs. The 240 x 90 mm profile offers excellent strength‑to‑weight and dimensional consistency. Faster to handle and install, with reduced waste. Compatible with standard metal connectors and LVL members. Service holes may be cut in accordance with manufacturer instructions.
$120.00
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Advanced Timber & Hardware 240 x 90mm I-Joist - 5.4m
Engineered I‑joist in a 240 x 90 mm section delivers reliable spans with less mass, improving handling and installation efficiency. Straight, stable, and consistent to reduce floor squeaks and deflection. Ideal for residential and light commercial framing. Use appropriate hangers, bracing and fixings. Follow service penetration guidance.
$135.00
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Advanced Timber & Hardware 240 x 90mm I-Joist - 6.0m
Long‑length engineered timber I‑joist with 240 mm depth and 90 mm flange supports efficient, straight floor and roof structures. Reduces movement and improves acoustic performance compared with conventional joists. Quick to install and easy to detail with common hardware. Service penetrations allowed per engineering tables.
$150.00
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Advanced Timber & Hardware 240 x 90mm I-Joist - 6.6m
Engineered timber I‑joist providing long, stable spans for floors and roofs with minimal weight. The 240 x 90 mm specification offers excellent stiffness and uniformity, improving finish quality and comfort. Compatible with LVL beams and metal connectors. Cut service holes only as per manufacturer’s guidance.
$165.00
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Advanced Timber & Hardware 240 x 90mm I-Joist - 7.2m
Longest standard length in the 240 x 90 mm series for maximum spanning efficiency. Delivers excellent straightness, reduced shrinkage and quieter floors compared to solid sawn joists. Ideal for large open‑plan layouts and roof systems. Use approved hangers and bracing; create service penetrations per tables.
$180.00
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Advanced Timber & Hardware 300 x 45mm E13 H2 Treated LVL - 3m
A 3m length of 300 x 45mm E13 H2 treated LVL beam for internal, above-ground structural use. Delivers high stiffness, straightness, and uniformity for lintels, beams, and joists. H2 treatment provides termite resistance in protected interior environments. Easy to cut and fix with standard tools and compatible fasteners. Follow design specifications for spans and loads. Not suited to exterior exposure. A dependable, engineered solution for consistent, efficient construction.
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Ark Building Supplies 300 x 45mm E13 H2 Treated LVL Beam – 3m Length
A 3m length of 300 x 45mm E13 H2 treated LVL beam for internal, above-ground structural use. Delivers high stiffness, straightness, and uniformity for lintels, beams, and joists. H2 treatment provides termite resistance in protected interior environments. Easy to cut and fix with standard tools and compatible fasteners. Follow design specifications for spans and loads. Not suited to exterior exposure. A dependable, engineered solution for consistent, efficient construction.
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