Ark Building Supplies
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Ark Building Supplies 300mm x 5m Waterproof Roofing Flashing – Flexible Weatherproof Flashing Roll
Flexible 300mm x 5m waterproof roofing flashing for sealing roof junctions, penetrations and wall abutments. Provides a durable, weatherproof barrier to help prevent water ingress in new builds and repairs. Conforms to common profiles for quick, clean detailing on tiled or metal roofs. Cut to length and install with compatible primers or fixings per best practice. Ideal for maintenance, skylights, vents and general flashing work.
$200.00
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Ark Building Supplies 300mm x 6m Lead Roof Flashing – 20kg Roll – Malleable Weatherproof Seal
Premium lead roof flashing, 300mm wide x 6m long (20kg roll), delivering a durable, malleable and weatherproof seal. Easily dressed to complex roof profiles and penetrations for watertight detailing around chimneys, skylights, abutments and valleys. Provides long service life and excellent UV and temperature resistance. Suitable for tiled and metal roofing. Cut and form with appropriate tools, and install to roofing best practice for dependable, professional results.
$245.00
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Ark Building Supplies 3050 x 1200 x 6mm H2 Treated OSB Sheet (Oriented Strand Board) – Structural Sheathing
Lightweight and versatile 3050 x 1200 x 6mm H2 treated OSB sheet for structural sheathing and bracing. H2 treatment offers termite resistance for above‑ground applications. Provides a flat, stable surface for walls, roofs and packaging. The extended 3050mm length helps reduce joints and speeds installation. Fix with appropriate nails or screws and follow bracing and sheathing specifications to AS/NZS requirements for reliable performance.
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Ark Building Supplies 3050 x 900 x 6mm H2 Treated OSB Sheet (Oriented Strand Board) – Structural Sheathing
This 3050 x 900 x 6mm H2 treated OSB sheet is ideal for lightweight structural sheathing and bracing in above‑ground applications. H2 treatment assists termite resistance, while engineered composition offers stability and reliable strength. Practical 3050mm length reduces joints and aids faster coverage. Suitable for wall and roof sheathing, packaging and general use. Fix with appropriate fasteners and follow AS/NZS guidelines for compliant, long‑term performance.
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Ark Building Supplies 31 x 18mm H3 Primed DAR FJ Pine – External Moulding/Trim – Paint Ready
High‑quality 31 x 18mm H3 primed DAR finger‑jointed pine for external trims and mouldings. H3 treatment resists decay and termites in above‑ground outdoor exposure, while the factory primer provides a smooth, paint‑ready surface. Finger‑jointing improves straightness and stability for crisp lines and fast installation. Ideal for facias, window and door trims, battens and feature details. Topcoat promptly and seal cut ends for best durability.
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Ark Building Supplies 32mm Angled Brad Nails – Zinc Plated – Includes Gas Fuel Cell
Durable 32mm angled brad nails with zinc plating for added corrosion resistance in interior applications. Supplied with a gas fuel cell for cordless nailers, enabling fast and consistent fixing of trims, mouldings and cabinetry components. Collated for productivity and clean finishes. Use in compatible brad nailers and follow the tool manufacturer’s specifications for fastener selection and safe operation on site.
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Ark Building Supplies 32mm Angled C‑Brad Nails with Gas Fuel Cell – Collated Finish Nails
Professional 32mm angled C‑brad nails supplied with a gas fuel cell for cordless brad nailers. Collated for rapid firing and consistent penetration, delivering a clean finish on trims, mouldings and light carpentry. Suitable for second fix in softwood and hardwood. Use with compatible tools and fasteners per manufacturer guidance, and always follow site safety procedures for efficient, high‑quality results.
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Ark Building Supplies 350 x 300 x 4mm Stayed Bracket – Pack of 25 – Heavy Duty Structural Brace
Heavy duty stayed bracket, 350 x 300 x 4mm, supplied in a pack of 25 for efficient site work. Provides strong, reliable bracing and corner reinforcement for timber framing, pergolas and general construction. Pre‑formed for consistent alignment and easy installation with nails or screws as specified. Use appropriate fasteners for the load and exposure conditions, and install to structural requirements and AS/NZS standards.
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Ark Building Supplies 350 x 350mm Pier Ant Cap – Steel Termite Barrier for Stump Piers
Durable 350 x 350mm pier ant cap designed to create a visible barrier to termite entry on stumped floors. Installed on top of masonry or steel piers, it forces termites to expose themselves for detection. Suits traditional subfloor construction and renovations. Simple to fit and compatible with common pier sizes. Install level and seal penetrations as required, in conjunction with a comprehensive termite management plan.
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Ark Building Supplies 350mm x 10m Alcore Dampcourse/Flashing – Moisture Barrier for Masonry
Alcore dampcourse/flashing, 350mm wide x 10m long, provides an effective moisture barrier in masonry construction. Used between brick/blockwork and timber plates to prevent rising damp and protect structural elements. Flexible and easy to handle for rapid installation. Suitable for new builds and remedial work. Install to building codes and best practice, ensuring correct laps, terminations and compatibility with adjoining materials for long‑term protection.
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Ark Building Supplies 350mm x 30m Alcore Dampcourse/Flashing – Long Roll Moisture Barrier
Long‑length Alcore dampcourse/flashing, 350mm wide x 30m, for efficient installation and fewer joints. Acts as a moisture barrier in masonry construction, protecting plates and framing from rising damp. Flexible and simple to cut and place for fast detailing. Suitable for new builds and remedial works. Install to building codes, ensuring correct laps, terminations and compatibility with adjacent materials for durable, long‑term protection.
$150.00
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Ark Building Supplies 350mm x 30m Polycourse Dampcourse – Polyethylene Moisture Barrier
Polycourse dampcourse, 350mm wide x 30m, provides a durable polyethylene moisture barrier within masonry walls and under plates. Helps prevent rising damp and protects timber and finishes. Lightweight, economical and easy to install with straightforward laps and terminations. Suitable for residential and light commercial construction. Install to local codes and best practice for reliable long‑term performance in damp‑proofing applications.
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Ark Building Supplies 350mm x 5m Waterproof Roofing Flashing – Flexible Weatherproof Flashing Roll
Flexible 350mm x 5m waterproof roofing flashing for sealing roof penetrations, junctions and wall abutments. Provides a durable, weatherproof barrier to help prevent leaks in new construction and repair work. Conforms to common roof profiles for quick, tidy detailing on tiled or metal roofs. Cut to size and install with compatible accessories per best practice for long‑lasting results.
$200.00
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Ark Building Supplies 35mm x 3.15mm Positive Placement Nails – Collated, Includes Gas Fuel Cells (Pack 1600)
Professional 35mm x 3.15mm positive placement (PPN) nails supplied collated with gas fuel cells for cordless metal connector nailers. Designed for accurate fastening through pre-punched holes in straps, hangers and brackets. Consistent driving and clean penetration for high productivity on site. Pack: 1600 with gas.
$118.00
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Ark Building Supplies 360 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 3.0m Length
Engineered LVL beam 360 x 45mm, E13 grade with H2 termite treatment for internal, above‑ground applications. Provides straight, stable performance for lintels, joists and structural framing. Precision manufacturing delivers reliable strength and reduced deflection, simplifying installation and finishing. Supplied as a 3.0m length for minimal cutting and waste on site. Use suitable connectors and fixings for load paths. Ideal for residential and light commercial projects.
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Ark Building Supplies 360 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 3.6m Length
Engineered LVL beam 360 x 45mm, E13 structural grade with H2 termite treatment for internal, above‑ground use. Ideal for lintels, floor bearers and high‑load framing where straightness and stability matter. Manufactured for uniform strength, minimal twist and consistent section for fast installation. Supplied in a 3.6m length. Use with appropriate hangers, bolts and protective coatings where exposed. Suitable for residential and light commercial builds.
$115.20
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Ark Building Supplies 360 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 4.2m Length
High‑performance LVL beam 360 x 45mm, E13 structural grade and H2 termite treated for internal, above‑ground service. Excellent for lintels, trimmers and floor systems requiring consistent stiffness and straightness. Factory‑engineered for predictable loads and clean, true edges. 4.2m length suits common spans, reducing joins and installation time. Install with compatible hangers, bolts and bracing to engineering requirements. Suitable for residential and light commercial framing.
$134.40
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Ark Building Supplies 360 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 4.8m Length
Structural LVL beam 360 x 45mm, manufactured to E13 grade and H2 termite treated for internal, above‑ground use. Delivers reliable strength, straightness and reduced shrinkage compared to solid timber. Ideal for lintels, trimmers and load‑bearing framing members. Supplied as a 4.8m length to suit longer spans and efficient cutting layouts. Use appropriate connectors and fixings per engineering design. Suitable for residential and light commercial construction.
$153.60
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Ark Building Supplies 360 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 5.4m Length
E13 LVL beam 360 x 45mm with H2 termite treatment for internal, above‑ground applications. Engineered for consistent performance, superior straightness and low movement, improving install speed and finish quality. 5.4m length helps reduce splices across wider spans. Suitable for lintels, beams, and high‑load framing in houses and light commercial builds. Install with certified connectors and flashings where exposure may occur.
$172.80
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Ark Building Supplies 360 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 6.0m Length
Premium LVL beam 360 x 45mm, E13 structural grade with H2 termite protection for internal, above‑ground use. Provides high strength, reliable stiffness and dimensional stability for lintels and beams. The 6.0m length suits extended spans and reduces jointing. Use with appropriate hangers, bolts and bracing per engineering specifications. Ideal for residential framing and light commercial structures.
$192.00
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Ark Building Supplies 360 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 6.6m Length
Engineered 360 x 45mm LVL beam, E13 grade and H2 treated for internal, above‑ground applications. Offers reliable load capacity, straightness and minimal warping compared with solid sawn timber. 6.6m length supports longer spans in lintels and beams to reduce mid‑span joins. Install with certified connectors and corrosion‑appropriate fixings. Suitable for residential and light commercial projects.
$211.20
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Ark Building Supplies 360 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 7.2m Length
High‑strength 360 x 45mm LVL beam, E13 structural grade with H2 termite treatment for internal, above‑ground use. Long 7.2m length minimises splices and speeds installation on larger spans. Consistent manufacturing delivers uniform performance, stable geometry and clean edges. Use with appropriate hangers, bolts and bracing as per engineering guidance. Ideal for residential lintels, beams and floor systems.
$230.40
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Ark Building Supplies 360 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 3.0m Length
Structural LVL beam 360 x 63mm, E13 grade and H2 termite treated for internal, above‑ground service. Ideal for higher load lintels, trimmers and beams needing added stiffness. Precision‑made for uniform performance and clean, true edges. 3.0m length for compact spans and reduced waste. Install with suitable connectors, fasteners and bracing per engineering design. Perfect for residential and light commercial construction.
$135.00
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Ark Building Supplies 360 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 3.6m Length
Engineered LVL beam 360 x 63mm, E13 grade with H2 termite treatment for internal, above‑ground applications. The wider section increases stiffness for demanding lintels and beams. Manufactured for consistent strength, straightness and reduced movement to improve install quality. Supplied in a 3.6m length. Fit using certified hangers, bolts and bracing to design requirements. Suitable for residential and light commercial framing.
$162.00
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Ark Building Supplies 360 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 4.2m Length
Premium LVL 360 x 63mm, E13 structural grade with H2 termite treatment for internal, above‑ground use. Wider 63mm section improves rigidity for lintels and primary framing. Consistent manufacturing delivers predictable spans and minimal deflection. Supplied in a 4.2m length to suit common openings. Install with compatible hangers, bolts and nail plates to specification. Suits residential framing and light commercial projects.
$189.00
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Ark Building Supplies 360 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 4.8m Length
High‑strength LVL beam 360 x 63mm, E13 grade with H2 termite protection for internal, above‑ground applications. Provides superior straightness and stability versus solid timber. 4.8m length suits larger spans in lintels and beams. Install with certified connectors and follow engineering load tables. Use appropriate coatings where incidental exposure may occur. Ideal for housing and light commercial framing.
$216.00
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Ark Building Supplies 360 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 5.4m Length
Engineered 360 x 63mm LVL beam, E13 structural grade and H2 treated for internal, above‑ground use. Wider section enhances stiffness for demanding openings and load paths. Manufactured for reliable, consistent performance and reduced on‑site rework. 5.4m length helps minimise joins over wide spans. Install per engineering with suitable hangers and bolts. Excellent for residential and light commercial applications.
$243.00
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Ark Building Supplies 360 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 6.0m Length
Structural LVL beam 360 x 63mm, E13 grade with H2 termite treatment for internal, above‑ground service. Long 6.0m length reduces splices and speeds installation for extended spans. Precision engineered for predictable loads, straightness and clean edges. Fit with appropriate hangers, bolts and bracing following engineering design. Suited to residential lintels, beams and floor systems.
$270.00
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Ark Building Supplies 360 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 6.6m Length
E13 LVL beam 360 x 63mm with H2 termite treatment for internal, above‑ground use. Provides high stiffness and reliable strength for major openings and load‑bearing members. 6.6m length supports longer spans while reducing mid‑span joins. Install using certified connectors and fixings appropriate to the environment. Ideal for housing and light commercial framing.
$297.00
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Ark Building Supplies 360 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 7.2m Length
High‑performance LVL beam 360 x 63mm, E13 grade with H2 termite protection for internal, above‑ground applications. Extra‑long 7.2m length minimises splices and improves speed of installation over wide openings. Manufactured for consistent strength, straightness and low movement. Install with suitable hangers, bolts and bracing per engineering requirements. Ideal for residential and light commercial structural framing.
$324.00
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Ark Building Supplies 37mm L x 100 x 100 x 6mm Wide Galvanised Angle Bracket
Compact wide angle bracket with 100 x 100mm legs, 6mm thickness, and 37mm length for tight-space reinforcing and corner connections. Built for durability with a galvanised finish to withstand corrosion in outdoor and damp environments. Ideal for cabinetry reinforcement, light structural bracing, fencing, and general fixing tasks. Provides a neat, strong right-angle join where standard brackets won’t fit. Suitable for drilling and bolting to timber or steel.
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Ark Building Supplies 38mm Angled Brad Nails with Fuel Cell – Zinc Plated, 2000 Pack
38mm angled brad nails with included gas fuel cell for compatible finish nailers. Zinc‑plated for improved corrosion resistance in interior and sheltered applications. Clean finish head minimises filling on trims, skirting and joinery. Reliable collation ensures smooth feeding and reduces downtime. Bulk 2000‑pack keeps crews productive on busy fit‑outs. Use stainless or hot‑dip galvanised fasteners for full exterior exposure.
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Ark Building Supplies 38mm Angled C Brad Nails with Fuel Cell – For Trim Nailers
38mm angled C brad nails supplied with a matching gas fuel cell for compatible angled finish nailers. Ideal for architraves, skirtings, jambs and fit‑off where a small head delivers a clean finish. Reliable collation reduces jams and improves productivity. Suitable for interior timber fixing; select corrosion‑resistant fasteners for exterior environments. Convenient all‑in‑one pack for on‑site efficiency and fewer changeovers.
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Ark Building Supplies 40 x 40 x 230 x 2.55mm Galvanised Angle Bracket – Heavy Duty Steel Connector
Galvanised steel angle bracket 40 x 40 x 230 x 2.55mm for robust right‑angle connections in timber or light steel framing. Corrosion‑resistant galvanised finish suits outdoor or damp locations. Pre‑drilled pattern accepts screws, nails or bolts to suit the load and substrate. 2.55mm thickness provides stiffness and durability under service loads. Commonly used in pergolas, decks, shelving and general construction.
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Ark Building Supplies 40 x 40 x 40 x 5mm Galvanised Angle Bracket – Heavy Duty Steel Connector
Compact galvanised angle bracket 40 x 40 x 40 x 5mm for high‑strength corner connections where space is limited. Heavy 5mm steel plate delivers excellent rigidity and load capacity. Galvanised finish improves corrosion resistance for outdoor or damp environments. Pre‑drilled holes enable quick fastening with screws or bolts. Ideal for cabinetry, small shelves, framing details and repairs.
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Ark Building Supplies 400 x 350 x 4mm Stayed Shelf Bracket – 25mm Lip, Heavy Duty Steel
Heavy duty stayed shelf bracket 400 x 350 x 4mm with 25mm lip for secure support of benches, shelves and worktops. The stayed design increases load capacity and limits deflection under weight. Robust 4mm steel construction with accurate bends ensures squareness and a neat finish. Pre‑drilled fixing points suit wood screws or suitable anchors (not included). Ideal for garages, workshops and storage fit‑outs.
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Ark Building Supplies 400 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 3.0m Length
Structural LVL beam 400 x 45mm, E13 grade with H2 termite protection for internal, above‑ground use. Deep section offers enhanced rigidity for lintels and primary members. Precision manufacturing ensures predictable performance and clean edges. 3.0m length suits compact spans and efficient cutting. Install with appropriate hangers and fixings to engineering design. Ideal for residential and light commercial framing.
$106.50
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Ark Building Supplies 400 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 3.6m Length
Engineered LVL beam 400 x 45mm, E13 grade and H2 termite treated for internal, above‑ground applications. Wider 400mm depth delivers increased section modulus for demanding spans. Manufactured for consistent strength, straightness and reduced movement. Supplied as a 3.6m length. Install using certified hangers, bolts and bracing per engineering specifications. Excellent for residential lintels, beams and floor systems.
$127.80
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Ark Building Supplies 400 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 4.2m Length
High‑performance LVL beam 400 x 45mm, E13 structural grade and H2 treated for internal, above‑ground service. Deep 400mm section provides excellent stiffness for wide openings. Manufactured for uniform strength and minimal twist to ease installation. Supplied in a 4.2m length. Use certified connectors and bracing per engineering requirements. Suits residential and light commercial structures.
$149.10
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Ark Building Supplies 400 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 4.8m Length
Premium 400 x 45mm LVL beam, E13 structural grade with H2 termite treatment for internal, above‑ground use. Deep section improves span capacity and reduces deflection for lintels and beams. 4.8m length suits larger openings and efficient cut plans. Install following engineering design with suitable hangers, bolts and bracing. Ideal for residential framing and light commercial applications.
$170.40
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Ark Building Supplies 400 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 5.4m Length
Engineered LVL beam 400 x 45mm, E13 grade and H2 termite treated for internal, above‑ground applications. Deep section provides superior rigidity for wide spans. Manufactured for consistent performance, straightness and reduced movement. 5.4m length reduces joins and speeds installation. Fit with certified connectors and fixings per engineering specifications. Suitable for residential lintels, beams and floor systems.
$191.70
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Ark Building Supplies 400 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 6.0m Length
E13 LVL beam 400 x 45mm with H2 termite treatment for internal, above‑ground use. Deep 400mm section enhances span capacity for major openings. Precision‑made for predictable loads and clean, straight edges. Supplied in a 6.0m length. Install with appropriate hangers, bolts and bracing as per design. Ideal for residential and light commercial framing.
$213.00
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Ark Building Supplies 400 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 6.6m Length
Structural 400 x 45mm LVL beam, E13 grade, H2 treated for internal, above‑ground applications. Long 6.6m length supports wide spans with fewer joints. Engineered for uniform strength, stiffness and stability to speed installation. Use certified connectors, bolts and bracing to engineering requirements. Suitable for residential lintels, beams and floor systems.
$234.30
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Ark Building Supplies 400 x 45mm LVL Beam – E13 Structural Grade, H2 Treated, 7.2m Length
High‑strength LVL beam 400 x 45mm, E13 structural grade with H2 termite protection for internal, above‑ground use. Extra‑long 7.2m length minimises splices and streamlines installation over large openings. Consistent manufacturing delivers reliable performance and straight, true edges. Install with appropriate hangers and fixings per engineering design. Ideal for residential and light commercial structures.
$255.60
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Ark Building Supplies 400 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 3.0m Length
Structural LVL beam 400 x 63mm, E13 grade and H2 treated for internal, above‑ground service. Wider section provides enhanced rigidity for demanding openings. Precision‑manufactured for predictable performance and clean edges. 3.0m length suits compact spans and reduces waste. Install using appropriate connectors and bracing per engineering design. Ideal for residential and light commercial framing.
$150.00
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Ark Building Supplies 400 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 3.6m Length
Engineered LVL beam 400 x 63mm, E13 grade with H2 termite treatment for internal, above‑ground applications. The wider 63mm section boosts stiffness and load capacity for key beams and lintels. Manufactured for uniform strength, straightness and low movement. Supplied in a 3.6m length. Install with certified hangers, bolts and bracing to specification. Suitable for residential and light commercial builds.
$180.00
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Ark Building Supplies 400 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 4.2m Length
Premium LVL 400 x 63mm, E13 grade with H2 termite protection for internal, above‑ground applications. Deep and wide section provides excellent span capacity and stiffness. Manufactured for uniform strength, straightness and reduced movement. 4.2m length suits common lintel sizes. Install with certified hangers, bolts and bracing to engineering requirements. Suitable for housing and light commercial builds.
$210.00
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Ark Building Supplies 400 x 63mm LVL Beam – E13 Structural Grade, H2 Treated, 4.8m Length
High‑strength LVL beam 400 x 63mm, E13 structural grade and H2 treated for internal, above‑ground service. The wider 63mm section provides improved rigidity for major openings. Supplied in a 4.8m length for larger spans. Install with appropriate hangers, bolts and bracing as per engineering design. Ideal for residential framing and light commercial projects.
$240.00
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