Ark Building Supplies
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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 5.4m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
LVL engineered timber E13, H2 treated, 240 x 63mm x 5.4m for long internal spans. Wider 63mm section enhances connection capacity and stiffness. Straight, stable and reliable for beams, joists and lintels. H2 treatment provides termite resistance in protected above‑ground applications. Compatible with nails, screws and standard brackets.
$162.00
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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 6.0m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
E13 LVL, H2 treated, 240 x 63mm x 6.0m for extended internal spans. Provides high strength, stiffness and straightness with minimal movement. The 63mm thickness improves bearing and fastener performance. H2 treatment offers termite resistance in protected, above‑ground conditions. Easy installation with standard connectors.
$180.00
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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 63mm x 6.6m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
Engineered LVL E13, H2 treated, 240 x 63mm x 6.6m for long internal spans and reduced joints. Straight, stable and predictable for beams, joists, lintels and trimmers. Wider section supports improved connections. H2 treatment provides termite resistance in protected environments. Compatible with standard nails, screws and brackets.
$198.00
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Ark Building Supplies 240 x 63mm x 7.2m LVL Engineered Timber – E13 H2 Treated Structural Beam/Joist
Long-span LVL engineered timber, E13 H2 treated, 240 x 63mm x 7.2m for internal above‑ground applications. High strength and straightness deliver reliable performance with fewer joints. Wider 63mm profile improves bearing and connector capacity. H2 treatment offers termite resistance in protected environments. Installs with standard timber connectors.
$216.00
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Ark Building Supplies 240 x 65mm GL10 H3 Primed DAR Structural Timber – 3.6m – Exterior Grade, Termite & Rot Resistant
GL10 laminated structural timber, H3 treated for exterior above‑ground use and factory primed for a paint‑ready finish. Dressed All Round for clean, consistent dimensions and straight installation. Ideal for fascias, trims, beams, and exposed framing where durability and appearance matter. GL10 rating provides reliable structural performance with reduced movement. Ready to topcoat onsite.
$234.00
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Ark Building Supplies 240 x 65mm GL10 H3 Primed DAR Structural Timber – 4.8m – Exterior Grade, Termite & Rot Resistant
Engineered GL10 structural section with H3 treatment for outdoor above‑ground conditions and a factory primer for rapid painting. Dressed All Round for a smooth, uniform finish and easy handling. Suited to fascias, trims, beams, and feature framing where strength, stability, and presentation are key. Reduced splitting and warping versus solid timber.
$312.00
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Ark Building Supplies 240 x 65mm GL10 H3 Primed DAR Structural Timber – 5.4m – Exterior Grade, Termite & Rot Resistant
GL10 grade laminated timber, H3 treated and factory primed for external above‑ground applications. Dressed All Round for crisp lines and installation ease. Excellent for fascias, architectural trims, and structural members requiring superior stability and a paint‑ready surface. Long length minimises joins and speeds install.
$351.00
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Ark Building Supplies 240 x 65mm GL10 H3 Primed DAR Structural Timber – 6.0m – Exterior Grade, Termite & Rot Resistant
High‑performance GL10 laminated timber with H3 exterior treatment and factory primer for quick finishing. Dressed All Round for accuracy and a clean profile. Ideal for long runs of fascia, trims, and structural applications where straightness and durability matter. Reduced movement improves finish quality and service life.
$449.00
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Ark Building Supplies 240 x 65mm GL10 H3 Primed DAR Structural Timber – 7.2m – Exterior Grade, Termite & Rot Resistant
Premium GL10 laminated section suited to long spans and continuous runs. H3 treated for exterior above‑ground durability and factory primed for a smooth, paint‑ready surface. Dressed All Round for consistent sizing and professional finish. Excellent for fascias, beam trims and exposed framing where stability and appearance are critical.
$468.00
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Ark Building Supplies 240 x 75 x 50 x 6mm Hot‑Dip Galvanised Angle Bracket – Heavy Duty Corner Support
Robust hot‑dip galvanised angle bracket for structural corner reinforcement and general framing. The 6 mm thick steel with galvanised coating delivers excellent corrosion resistance in outdoor and coastal settings. Suits timber or steel connections, shelves, ledgers, and equipment mounting. Pre‑drill or fasten using appropriate bolts/screws for high load capacity. Ideal for builders and fabricators requiring durable, long‑life fixings.
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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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Ark Building Supplies 2400 x 1200 x 17mm Formply – Phenolic Film Faced Formwork Plywood for Concrete Casting
High quality formply with durable phenolic film face for smooth off‑form concrete finishes and reduced sticking. 17 mm panel thickness provides strength and reusability where handled correctly. Sealed edges help resist moisture ingress. Suitable for walls, columns, slabs and general formwork in building and civil projects. Store flat and protect faces between pours for extended life.
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Ark Building Supplies 2400 x 1200 x 35mm Duracote Solid Blockboard Door – Paint‑Ready Internal Door Blank
Duracote solid blockboard door blank in 35 mm thickness for robust internal doors. Provides excellent screw holding and acoustic performance with a smooth, paint‑ready surface. Trim to size and machine hardware as required. Ideal for commercial fit‑outs and premium residential applications requiring solid feel and durability. Not for external exposure.
$240.00
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Ark Building Supplies 2400 x 1200 x 4.5mm Fibre Cement Sheet – Moisture Resistant Lining for Wet Areas & Facades
General purpose 4.5 mm fibre cement sheet for internal wall linings and soffits. Moisture and impact resistant, suitable for bathrooms, laundries and sheltered exterior applications when detailed to manufacturer guidelines. Non‑combustible and dimensionally stable for clean finishes under paint or tiles. Cut with FC tools and fix with compliant fasteners.
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Ark Building Supplies 2400 x 1200 x 6mm Villaboard Fibre Cement Lining – Wet Area Wall Sheet, Impact Resistant
Villaboard 6 mm fibre cement lining for wet area walls delivers superior impact resistance and a smooth, paintable surface. Ideal substrate for tiles in bathrooms, kitchens and laundries. Moisture resistant, dimensionally stable, and non‑combustible. Install with FC screws and seal joints as per manufacturer requirements for long‑term performance.
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Ark Building Supplies 2400 x 1200 x 7.5mm Blueboard Base Sheet – Fibre Cement Render Substrate for External Walls
7.5 mm Blueboard fibre cement base sheet designed as a stable substrate for acrylic render systems on external walls. Provides excellent adhesion for texture coats, is moisture resistant, and non‑combustible. Quick to score‑and‑snap and fix with FC fasteners. Seal joints and follow system specifications for a crack‑resistant rendered finish.
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Ark Building Supplies 2400 x 450 x 4.5mm Fibre Cement Sheet – Narrow Panel for Wet Areas, Soffits & Eaves
Slim 450 mm wide, 4.5 mm fibre cement panel for soffits, eaves, and internal wet area linings. Moisture and impact resistant, offering a stable base for paint or tiles. Non‑combustible and dimensionally stable for crisp finishes. Use FC screws and jointing systems per manufacturer guidance.
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Ark Building Supplies 2400 x 600 x 4.5mm Fibre Cement Sheet – Mid‑Width Panel for Wet Areas & Soffits
4.5 mm fibre cement sheet in 600 mm width for efficient coverage of wet area walls, soffits and eaves. Moisture resistant and durable, suitable under paint or tiles with appropriate waterproofing. Non‑combustible and stable for neat finishes. Fix with FC fasteners and seal joints per manufacturer specs.
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Ark Building Supplies 2400 x 750 x 4.5mm Fibre Cement Sheet – Wide Panel for Wet Areas, Soffits & Facades
Wide 750 mm, 4.5 mm fibre cement panel for fast installation in wet areas, soffits, and sheltered facades. Moisture and impact resistant, non‑combustible and dimensionally stable for quality finishes. Suitable under paint or tiles with correct detailing and waterproofing. Fix using FC screws and jointing compounds.
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Ark Building Supplies 2400 x 920 x 35mm Duracote Solid Blockboard Door – Paint‑Ready Internal Door Blank
Duracote solid blockboard internal door blank at 35 mm thickness offers excellent feel, screw holding and sound reduction. Smooth primed surface is ready for topcoats. Suitable for residential and commercial interiors; machine hardware and trim to fit. Not suitable for exterior exposure.
$240.00
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Ark Building Supplies 2440 x 1220 x 12mm Marine Plywood – AS/NZS 2272 A‑Bond, Exterior Structural Grade
12 mm marine plywood manufactured to AS/NZS 2272 with A‑Bond glue for superior durability and water resistance. High quality veneers for strength, stability and clean finishes in exterior and marine‑adjacent applications. Ideal for boat fit‑out, wet areas, and high‑exposure joinery when properly sealed. Cut, seal edges, and finish as specified.
$115.00
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Ark Building Supplies 2440 x 1220 x 15mm Marine Plywood – AS/NZS 2272 A‑Bond, Exterior Structural Grade
15 mm marine plywood to AS/NZS 2272 with A‑Bond adhesive for excellent moisture durability and strength. Suited to boat building, exposed joinery and wet area substrates when sealed. Dimensionally stable with clean faces for paint or clear finishes. Seal cut edges and install per best practice.
$135.00
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Ark Building Supplies 2440 x 1220 x 18mm Marine Plywood – AS/NZS 2272 A‑Bond, Exterior Structural Grade
18 mm marine plywood delivering robust exterior and wet area performance to AS/NZS 2272. A‑Bond glue line resists delamination; selected veneers provide strength and quality faces. Ideal for high load or traffic areas, transoms, cabinetry and heavy‑duty cladding when sealed. Finish to specification for long service life.
$160.00
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Ark Building Supplies 2440 x 1220 x 9mm Marine Plywood – AS/NZS 2272 A‑Bond, Exterior Structural Grade
9 mm marine plywood to AS/NZS 2272 with A‑Bond adhesive for high durability in wet or exterior settings. Lightweight yet strong, perfect for linings, cabinetry and curved applications when sealed correctly. Clean appearance for quality finishes. Seal edges and protect surfaces as per system requirements.
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Ark Building Supplies 250 x 200 x 4mm Stayed Bracket – Heavy Duty Structural Brace, Pre‑Drilled – Pack of 25
Heavy duty stayed bracket for reinforcing corners and structural joints in timber framing. 4 mm thick steel with pre‑drilled holes speeds installation and ensures consistent fixing patterns. The 250 x 200 mm profile suits shelves, ledgers, pergolas and general construction. Supplied as a pack of 25 for efficient site use. Use appropriate bolts/screws to achieve design loads.
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Ark Building Supplies 250 x 250 x 37 x 6mm Wide Steel Angle Bracket – Heavy Duty Structural Fixing
Extra‑wide steel angle bracket with 6 mm thickness for rigid structural connections and bracing. The 250 x 250 x 37 mm profile provides generous bearing and high load capacity for heavy shelves, benches and framing junctions. Drill and fasten with suitable anchors or bolts to substrate requirements. Ideal for builders and fabricators seeking robust, long‑life hardware.
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Ark Building Supplies 25mm Angled C‑Brad Nails with Gas Fuel Cell – Pack of 3000 – Collated
Professional 25mm angled C‑brad nails supplied with a gas fuel cell for cordless nailers. Collated for fast, consistent fixing in trim, mouldings and light carpentry. Delivers a neat finish with reliable holding power in softwood and hardwood substrates. Ideal for second fix, cabinetry and fit‑off work. Use in compatible brad nailers and follow tool manufacturer safety and fastener specifications for best results.
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Ark Building Supplies 2700 x 1200 x 4.5mm Fibre Cement Sheet – Moisture Resistant Lining for Wet Areas & Soffits
Large 2700 x 1200 mm, 4.5 mm fibre cement sheet for efficient wall and soffit coverage. Moisture and impact resistant, non‑combustible, and dimensionally stable for clean finishes in bathrooms, laundries, eaves and sheltered exteriors. Suitable under paint or tiles with correct waterproofing. Fix with FC fasteners and joint as per manufacturer guidance.
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Ark Building Supplies 2700 x 1200 x 6mm Villaboard Fibre Cement Lining – Wet Area Wall Board, Impact Resistant
Villaboard 6 mm wet‑area lining in long 2700 mm sheets for fewer joints and faster install. High impact resistance and smooth finish make it an ideal substrate for tiles or paint in bathrooms, kitchens and laundries. Moisture resistant and non‑combustible. Install with FC screws and seal joints to system requirements.
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Ark Building Supplies 2700 x 1200 x 7.5mm Blueboard Base Sheet – Fibre Cement Render Substrate for Exteriors
7.5 mm Blueboard fibre cement base sheet in 2700 mm length for fast exterior cladding preparation. Designed for acrylic render systems, offering stable, moisture resistant performance and excellent render adhesion. Non‑combustible and dimensionally stable. Fix with FC fasteners and follow render system specifications for crack‑resistant finishes.
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Ark Building Supplies 2700 x 600 x 19mm Compressed Fibre Cement Sheet – Flooring & Wet Area Substrate
High density 19 mm compressed fibre cement sheet for wet area floors, balconies and decks. Provides exceptional strength, moisture resistance, and stability under tiles or membranes. Suitable for internal and external applications when detailed correctly. Fix with compliant screws and support spacing; waterproof per system requirements.
$100.00
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Ark Building Supplies 2745 x 1200 x 4mm Hardwood Braceply – Structural Bracing Plywood AS/NZS 2269
Structural hardwood bracing plywood, 4 mm thickness, manufactured to AS/NZS 2269. Purpose‑made for wall bracing, offering high shear capacity and reliable racking resistance. Durable hardwood veneers provide strength and consistent performance. Install with specified nail patterns and tie‑downs per engineering details. Suitable for residential and light commercial frames.
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Ark Building Supplies 2745 x 1200 x 6mm OSB H2 Oriented Strand Board – Structural Bracing, Termite Resistant
6 mm H2 treated OSB panel for structural bracing with enhanced termite resistance. Provides reliable racking strength and a flat surface for wrap and cladding systems. Lightweight and easy to fix with standard nail patterns. Suitable for residential timber framing in termite‑prone regions. Install per bracing schedules and manufacturer guidelines.
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Ark Building Supplies 280 x 18mm H3 Primed FJ DAR Pine Board – Exterior Dressed All Round, Paint‑Ready
Exterior H3 treated finger‑jointed pine board, 280 x 18 mm, dressed all round and factory primed for a smooth, paint‑ready finish. Ideal for fascias, architraves, trims and feature boards in above‑ground outdoor applications. Straight, stable and easy to install with consistent dimensions. Topcoat onsite for long‑term protection.
$120.00
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Ark Building Supplies 280 x 25mm H3 Primed FJ DAR Pine Board – Exterior Dressed All Round, Paint‑Ready
Premium H3 treated finger‑jointed pine board, 280 x 25 mm, dressed all round and factory primed to speed painting. Suited to exterior fascias, trims, window surrounds and general joinery above ground. Offers excellent straightness and dimensional stability for crisp finishes. Apply topcoats after installation.
$140.00
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Ark Building Supplies 280 x 42mm H3 Primed DAR Structural Timber – 3.6m – Exterior Grade, Straight & Stable
H3 treated exterior‑grade timber, dressed all round and factory primed for a paint‑ready surface. The 280 x 42 mm section is ideal for fascias, trims and feature members requiring stability and long service life. Straight, consistent sizing helps deliver professional finishes. Topcoat to suit exposure conditions.
$162.00
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Ark Building Supplies 280 x 42mm H3 Primed DAR Structural Timber – 4.2m – Exterior Grade, Straight & Stable
Exterior H3 treated, dressed all round and factory primed timber section for above‑ground applications. The 280 x 42 x 4.2 m size is suited to fascias, trims and architectural details. Delivers dependable straightness and paint adhesion for a quality finish. Apply topcoats after fixing.
$189.00
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Ark Building Supplies 280 x 42mm H3 Primed DAR Structural Timber – 4.8m – Exterior Grade, Straight & Stable
H3 treated, factory primed timber dressed all round for a smooth, consistent finish. The 280 x 42 x 4.8 m profile suits long runs of fascia and trims with minimal joints. Stable and straight to reduce paint cracking and maintenance. Finish with appropriate exterior coatings.
$216.00
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