Blacktown Building Supplies
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Blacktown Building Supplies James Hardie 305630 Stria 16mm External Box Corner 3.0m
The James Hardie Stria 16mm External Box Corner at 3000mm provides a strong, uniform external corner detail for Stria cladding installations. It simplifies setup and ensures a crisp, professional appearance while helping manage water at junctions. Durable construction resists corrosion and impacts. Use it to speed installation and achieve consistent, high-quality corners on modern residential facades featuring Stria cladding profiles.
$106.30
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Blacktown Building Supplies James Hardie 305664 HardieWrap Weather Barrier 2.75m x 30m Roll
James Hardie HardieWrap Weather Barrier is a tough, breathable wall wrap designed to reduce the risk of condensation while protecting framing from wind and moisture. At 2.75m x 30m, it covers large areas quickly and suits typical wall heights with fewer seams. Tear-resistant and lightweight, it installs easily behind cladding systems. Ideal for residential and light commercial builds seeking improved envelope performance and durability.
$356.55
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Blacktown Building Supplies James Hardie 305672 Joint Sealant 600ml Sausage
James Hardie Joint Sealant in a 600ml sausage delivers a high-performance, flexible seal for facade and cladding joints. It accommodates movement, adheres strongly to common building materials, and is paintable for a seamless finish. Ideal for control joints, panel interfaces, and trim connections, it helps manage water ingress and enhances durability. Use with James Hardie systems where long-term, weather-resistant joint sealing is required.
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Blacktown Building Supplies James Hardie 305844 HardieDeck Fascia Edge Cap 3000mm Decking
The 3000mm James Hardie HardieDeck Fascia Edge Cap provides a neat finishing detail to deck edges, covering cut ends and improving water shedding. Designed to complement the HardieDeck system, it installs quickly and delivers a refined appearance. Durable construction resists corrosion and everyday wear. Use it to achieve clean, consistent edges and enhance the overall presentation and longevity of your HardieDeck installation.
$107.55
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Blacktown Building Supplies James Hardie 305846 HardieDeck Slimline Edge Cap 3000mm Decking
The James Hardie HardieDeck Slimline Edge Cap at 3000mm offers a sleek, low-profile trim for finishing deck perimeters. It provides neat coverage of board ends and assists water runoff for improved durability. Engineered for compatibility with HardieDeck components, it installs easily and delivers a modern, minimal look. Ideal where a refined, slim edge detail is preferred without compromising protection.
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Blacktown Building Supplies James Hardie 305911 HardieEdge Base Trim 3950mm
The 3950mm James Hardie HardieEdge Base Trim creates a straight, durable starting profile at slab edges for cladding systems. It helps manage drip lines and provides a clean datum for subsequent panels. Made from robust materials for long service life, it reduces onsite setup time and improves finish quality. Ideal for residential facades requiring an accurate, corrosion-resistant base trim solution.
$108.40
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Blacktown Building Supplies James Hardie 305912 HardieEdge Base Trim Jointer
The James Hardie HardieEdge Base Trim Jointer connects adjoining lengths of base trim for a continuous, aligned edge. It simplifies installation and ensures consistent appearance and performance across long runs. Designed for compatibility with HardieEdge Base Trim, it supports secure, durable connections. Ideal for residential projects where a neat, professional base line is required along slabs or plinths.
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Blacktown Building Supplies James Hardie 305913 HardieEdge Internal Corner
The James Hardie HardieEdge Internal Corner provides a preformed, durable solution for internal junctions in cladding systems. It delivers clean lines, consistent alignment, and assists with water management at changes in direction. Quick to install and compatible with HardieEdge trims, it reduces the need for complex site fabrication. Ideal for builders seeking a tidy, efficient internal corner detail on residential facades.
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Blacktown Building Supplies James Hardie 305914 HardieEdge External Corner
The James Hardie HardieEdge External Corner is a preformed trim that creates crisp, robust external corner details for cladding installations. It helps protect edges, improve weather shedding, and speed installation. Designed to integrate with HardieEdge trims and compatible claddings, it ensures a consistent, professional finish across residential facades. Use where durable, low-maintenance corner detailing is required.
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Blacktown Building Supplies James Hardie 305915 Villaboard Knife
The James Hardie Villaboard Knife is a rugged scoring tool designed to cut and snap fibre cement sheets cleanly. Its durable blade and ergonomic handle provide control and comfort for repeated scoring. Perfect for trimming Villaboard and other compatible James Hardie sheets on site, it reduces dust compared to power cutting and delivers straight, accurate edges. A reliable essential for installers seeking efficient, clean cuts.
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Blacktown Building Supplies James Hardie 305979 HardieDrive Screw 25mm Box Of 1000
James Hardie 25mm HardieDrive Screws are engineered for fastening fibre cement to framing. The sharp point and thread profile promote fast bite and strong hold, while the head design assists with a flush finish. Supplied as a box of 1000 for efficient site work, they offer reliable performance across residential cladding installs. Use where consistent, durable fixing of fibre cement sheets is required.
$132.70
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Blacktown Building Supplies James Hardie 305984 HardieDrive Square Drive Screw 41mm Box Of 1000
James Hardie 41mm HardieDrive Square Drive Screws provide secure fixing of fibre cement to framing where longer fasteners are needed. The square drive reduces cam-out, improving driving control and speed. Designed for a neat, flush finish and consistent clamp, they are supplied in a box of 1000 for productivity on site. Ideal for cladding and lining installations requiring extended penetration and dependable hold.
$188.05
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Blacktown Building Supplies James Hardie 306010 HardieDeck Double Winged Base Jointer 225mm & Screw Bag of 35
The James Hardie HardieDeck Double Winged 225mm Base Jointer connects deck base sections for uniform spacing and alignment. Supplied with screws in a bag of 35, it speeds installation and ensures consistent joints across the deck surface. The double-wing profile enhances stability and support under board edges. Use with the HardieDeck system to deliver a robust, professional deck platform ready for top strips.
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Blacktown Building Supplies James Hardie 306011 Single Wing Base Jointer 225mm With Screw HardieDeck PK of 35
This James Hardie HardieDeck Single Wing 225mm Base Jointer provides secure alignment and support between deck base sections. Supplied as a pack of 35 with screws, it streamlines assembly while maintaining consistent spacing. The single-wing design suits specific deck junctions and simplifies placement. Combine with HardieDeck components for a stable sub-assembly and clean, reliable deck finishes.
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Blacktown Building Supplies James Hardie 306012 Snap-In Top Strip 3000mm HardieDeck Decking
The 3000mm James Hardie HardieDeck Snap-In Top Strip provides a sleek, continuous cover over deck board joints, delivering clean lines and a refined finish. Its snap-in design speeds installation and allows easy removal for inspection if required. Durable material resists weathering and everyday wear. Use with HardieDeck bases and boards to complete a high-quality, low-maintenance deck surface.
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Blacktown Building Supplies James Hardie 306014 Snap-In Top Strip Fire Zone 3000mm HardieDeck Decking
The James Hardie HardieDeck Fire Zone Snap-In Top Strip at 3000mm delivers the same clean joint cover and sleek appearance as the standard strip, with a formulation suited to Fire Zone applications. It installs quickly, snaps securely into place, and resists weathering for long-term performance. Pair with compatible HardieDeck components to complete a durable, well-finished deck in designated fire zone areas.
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Blacktown Building Supplies James Hardie 306032 HardieDeck Wingless Base Jointer 3000mm Decking
The 3000mm James Hardie HardieDeck Wingless Base Jointer provides continuous alignment and support for deck bases without wing projections, ideal for specific layout requirements. It simplifies long runs, helps maintain straight lines, and supports consistent board spacing. Durable construction withstands outdoor environments. Use with the HardieDeck system to create a robust, uniform substructure ready for snap-in top strips.
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Blacktown Building Supplies James Hardie 306100 9mm Aluminium External Corner 3.0m
This 3000mm 9mm Aluminium External Corner from James Hardie delivers a crisp, protective edge detail for cladding systems. The corrosion-resistant aluminium profile enhances durability and provides a consistent, professional finish at external junctions. It helps shed water and protects panel edges from damage. Ideal for residential and commercial facades requiring robust, low-maintenance corner trims compatible with 9mm claddings.
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Blacktown Building Supplies James Hardie 306102 9mm External Slimline Corner 3.0m
The James Hardie 3000mm 9mm External Slimline Corner provides a refined, low-profile edge detail for modern facades. Designed to protect exposed edges while maintaining minimal visual bulk, it suits clean architectural lines. Durable construction resists corrosion and weathering, ensuring long-term performance. Use with compatible 9mm cladding panels where a sleek external corner solution is desired.
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Blacktown Building Supplies James Hardie 306103 Internal Concave Corner 3.0m
The 3000mm James Hardie Internal Concave Corner creates a subtle shadowline at internal junctions, delivering a refined architectural finish. It simplifies detailing, improves alignment, and reduces the need for complex site fabrication. Constructed for durability and compatibility with James Hardie claddings, it assists with neat transitions while supporting long-term performance. Ideal for projects seeking a clean, consistent internal corner profile.
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Blacktown Building Supplies James Hardie 306104 9mm Horizontal Express Jointer 3000mm
The James Hardie 3000mm 9mm Horizontal Express Jointer creates a defined horizontal shadowline between panels, adding depth and a contemporary look to facades. It ensures consistent spacing and speeds installation with a simple, durable profile. Made to resist weathering and corrosion, it supports long-term performance. Use with compatible 9mm claddings to achieve crisp, repeatable horizontal joints across residential or commercial projects.
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Blacktown Building Supplies James Hardie 306105 9mm Flashing Fine Texture 3000mm
This 3000mm 9mm Aluminium Flashing with a Fine Texture finish from James Hardie provides a neat, durable horizontal detail for facade systems. It aids water management while delivering a subtle, refined surface appearance. Lightweight, corrosion-resistant aluminium speeds installation and enhances long-term durability. Ideal where a consistent textured finish is specified alongside 9mm cladding components.
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Blacktown Building Supplies James Hardie 306110 Fine Texture 9mm Aluminium Horizontal Jointer 10 Pack
James Hardie 9mm Aluminium Horizontal Jointers in a Fine Texture finish provide crisp, consistent horizontal panel joints with a subtle surface texture. Supplied as a pack of 10, they help standardise detailing and speed installation on site. Corrosion-resistant aluminium ensures long-term reliability. Use where a refined, textured appearance is desired across facade panels using 9mm profiles.
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Blacktown Building Supplies James Hardie 306111 Fine Texture 9mm Aluminium Base Trim Connector 10 Pack
The James Hardie 9mm Fine Texture Aluminium Base Trim Connector links base trim sections for a continuous, aligned foundation along facade edges. Supplied in a pack of 10, these connectors simplify setup and enhance appearance. Made from durable, corrosion-resistant aluminium with a refined textured finish, they integrate seamlessly with matching trims. Ideal for projects seeking consistent, high-quality base detailing.
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Blacktown Building Supplies James Hardie 306128 14mm Aluminium Trimline Joint Flashing 3000mm
The 3000mm James Hardie 14mm Aluminium Trimline Joint Flashing delivers a sleek, narrow-profile cover for panel joints, creating refined shadowlines and modern aesthetics. Lightweight aluminium is corrosion-resistant and simple to install. Use it to improve water management and achieve consistent detailing across facades utilising 14mm cladding elements. Ideal for residential or light commercial projects seeking slim, contemporary joint solutions.
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Blacktown Building Supplies James Hardie 306130 14mm External Aluminium Trimline Jointer
The James Hardie 14mm External Aluminium Trimline Jointer provides a clean, slim-profile external corner for modern facades. It enhances protection at edges and creates consistent, minimalist lines that complement contemporary cladding designs. Durable aluminium resists corrosion for long-term performance. Use with compatible 14mm panels to achieve neat, repeatable external corner details with minimal visual bulk.
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Blacktown Building Supplies James Hardie 306131 14mm Internal Aluminium Trimline Jointer
The 14mm Internal Aluminium Trimline Jointer from James Hardie forms a slender, elegant internal corner detail for cladding systems. It promotes precise alignment, reduces complex site fabrication, and delivers a modern shadowline effect. Manufactured from corrosion-resistant aluminium, it supports durable, low-maintenance facades. Ideal where understated internal corner profiles are desired with 14mm cladding.
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Blacktown Building Supplies James Hardie 306132 14mm Aluminium Trimline Horizontal Jointer
The James Hardie 14mm Aluminium Trimline Horizontal Jointer creates a sleek horizontal express joint that accentuates contemporary facade lines. Its slim profile maintains a minimal visual presence while delivering clean, repeatable spacing. Durable aluminium construction ensures longevity and resistance to the elements. Use with compatible 14mm cladding to achieve refined, modern horizontal joint detailing across residential or commercial exteriors.
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Blacktown Building Supplies James Hardie 306181 Castellated Batten 2700 x 45 x 20mm
The James Hardie Castellated Batten 2700 x 45 x 20mm creates ventilation and drainage channels behind cladding, improving moisture management and facade durability. Its castellated profile promotes airflow in rainscreen cavities while providing consistent stand-off from the substrate. Easy to handle and fix, it supports straight, reliable cladding installation. Ideal for residential facades requiring enhanced cavity performance and controlled drainage.
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Blacktown Building Supplies James Hardie 306190 Aluminium Recessed Horizontal Jointer 3000mm
This 3000mm James Hardie Aluminium Recessed Horizontal Jointer achieves a pronounced recessed shadowline between panels for a bold, contemporary look. It provides consistent spacing, assists water management, and reduces detailing complexity on site. Corrosion-resistant aluminium ensures durability and a clean finish long term. Ideal for architectural facades seeking deeper horizontal articulation with reliable, repeatable installation.
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Blacktown Building Supplies James Hardie 306191 Aluminium Recessed Horizontal Jointer
The James Hardie Aluminium Recessed Horizontal Jointer is an accessory component used to form recessed horizontal joints with compatible cladding systems. It supports consistent spacing, helps define deep shadowlines, and streamlines installation at junctions. Constructed from durable aluminium for long-term weather resistance, it contributes to clean, modern facade detailing across residential or commercial projects.
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Blacktown Building Supplies James Hardie 306192 Aluminium Base Slimline Starter 3000mm
The James Hardie 3000mm Aluminium Base Slimline Starter establishes a precise, low-profile base line for cladding. It aids water shedding at the foundation and provides a straight datum for quick, consistent panel installation. Made from corrosion-resistant aluminium, it delivers enduring performance and a refined appearance. Ideal for modern facades where a sleek, reliable starter trim is required.
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Blacktown Building Supplies James Hardie 306193 Aluminium Base Slim Start Connector PK10
This pack of 10 James Hardie Aluminium Base Slimline Starter Connectors links Slimline Starter lengths to form continuous, aligned base runs. They simplify installation, improve accuracy, and enhance the visual continuity of the starter trim. Durable aluminium construction resists corrosion for long service life. Ideal for installers seeking efficient, professional base detailing across extended facade elevations.
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Blacktown Building Supplies James Hardie 306250 Structural Batten 70 x 35 x 2700mm
The James Hardie Structural Batten 70 x 35 x 2700mm provides a stable, dimensionally consistent substrate for cladding. It helps create straight facades, facilitates fixing, and can assist with cavity formation for improved moisture management when used in rainscreen setups. Easy to handle and install, it supports faster, reliable cladding alignment. Ideal for residential projects seeking robust, consistent battening.
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Blacktown Building Supplies James Hardie 306253 PVC Cavity Vent Strip 35 x 3000mm
This 35 x 3000mm James Hardie PVC Cavity Vent Strip promotes airflow at the base of cladding cavities, assisting drainage and moisture management in rainscreen facades. The integrated aperture design balances ventilation with vermin resistance. Lightweight, corrosion-proof PVC is easy to cut and install. Use to improve building envelope performance and support long-term cladding durability on residential and light commercial projects.
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Blacktown Building Supplies James Hardie 400079 HardiePanel Compressed Fibre Cement Sheet 3000 x 1200 x 15
James Hardie HardiePanel Compressed 3000 x 1200 x 15mm is a dense, durable fibre cement sheet suitable for heavy-duty applications. It offers high impact resistance and dimensional stability, making it ideal for wet areas, plant rooms, soffits, and commercial fit-outs. The smooth surface is ready for suitable coatings or membranes. Use where robust performance and long service life are required under demanding conditions.
$318.80
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Blacktown Building Supplies James Hardie 400081 HardiePanel Compressed Fibre Cement Sheet 2400 x 1200 x 15
HardiePanel Compressed delivers heavy-duty performance for wet areas, plant rooms, podiums and commercial facades. The dense 15mm fibre cement resists moisture, impact, rot and termites, providing a stable base for membranes and tiles. Precision edges allow neat joints and reliable fixing to timber or steel framing. At 2400 x 1200 mm, panels speed installation with fewer joints and a smooth, paintable surface. Ideal for load-bearing applications where durability, dimensional stability and a robust finish are essential.
$255.10
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Blacktown Building Supplies James Hardie 400094 HardiePanel Compressed Fibre Cement Sheet 2400 x 1200 x 18
This 18mm HardiePanel Compressed sheet is engineered for maximum strength in floors, decks, rooftops and demanding facade zones. Its dense fibre cement core offers outstanding impact and moisture resistance, providing a solid substrate for waterproofing and tiling. Non-rotting and termite resistant, it remains dimensionally stable under exposure. The 2400 x 1200 mm format simplifies layout and reduces jointing. Ideal for commercial, multi-residential and high-traffic areas where robust load-bearing performance and a durable, paint-ready surface are required.
$291.00
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Blacktown Building Supplies James Hardie 400103 Primeline Chamfer 4200 x 300 x 9mm Fibre Cement Weatherboard
Achieve classic chamfered lines with the durability of fibre cement. Primeline Chamfer boards are pre-primed and ready to paint, delivering fast installation and consistent shadow lines. Resistant to moisture, rot and termites, they’re ideal for coastal and suburban facades alike. At 4200 x 300 x 9 mm, each board provides generous coverage and straight, stable courses over time. Suitable for timber or steel framing, new builds or re-clads, and designed for low maintenance with a crisp, modern finish.
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Blacktown Building Supplies James Hardie 400153 Primeline Heritage 4200 x 300 x 9mm Fibre Cement Weatherboard
Primeline Heritage weatherboards offer traditional bevel-back detail with modern fibre cement durability. Pre-primed for rapid painting, they create elegant, deep shadow lines and consistent courses. The 4200 x 300 x 9 mm format speeds cladding on new homes and re-clads, while resisting moisture, rot and termites for long-term performance. Easy to cut and fix to timber or steel frames, Heritage boards deliver a refined, timeless facade with minimal maintenance and reliable dimensional stability across seasons.
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Blacktown Building Supplies James Hardie 400167 HardieFlex Fibre Cement Sheet 6mm 3000 X 1200
HardieFlex 6mm is a versatile exterior sheet for facades, eaves, gables and carports. Its smooth, paint-ready surface delivers a clean look with excellent moisture, rot and termite resistance. The 3000 x 1200 mm size reduces joint lines and accelerates installation on timber or steel framing. Easy to cut and fix, HardieFlex provides dependable stability in changing weather. Ideal for residential additions and new builds seeking a durable, low-maintenance cladding or soffit lining solution.
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Blacktown Building Supplies James Hardie 400171 HardieFlex Fibre Cement Sheet 6mm 2400 X 1200
This HardieFlex 6mm sheet is a reliable exterior lining for facades, soffits and gables. Its smooth surface is ready to paint, while the fibre cement core resists moisture, rot and termites for durable performance outdoors. At 2400 x 1200 mm, it’s easy to handle on site and suits common framing spacings. Ideal for residential projects needing a clean, contemporary finish with minimal maintenance, and straightforward cutting and fixing to timber or steel.
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Blacktown Building Supplies James Hardie 400182 HardieFlex Fibre Cement Sheet 4.5mm 3000 X 1200
HardieFlex 4.5mm offers lightweight, durable exterior lining for eaves, soffits and general cladding. The smooth, paintable finish creates clean lines, while fibre cement composition stands up to moisture, rot and termites. The 3000 x 1200 mm format provides broad coverage with fewer joints, optimising speed and appearance. Easy to cut and fix to timber or steel frames, it’s ideal for residential and light commercial settings where reliable, low-maintenance performance and a neat finish are essential.
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Blacktown Building Supplies James Hardie 400184 HardieFlex Fibre Cement Sheet 4.5mm 2700 X 1200
This HardieFlex 4.5mm sheet provides a smooth, paint-ready exterior lining for soffits, eaves and lightweight cladding. Fibre cement construction resists moisture, rot and termites, maintaining a stable, low-maintenance finish. The 2700 x 1200 mm size suits standard ceiling heights and common truss spacing, aiding quick installation on timber or steel frames. Ideal for residential projects seeking durable, straight lines with minimal jointing and straightforward handling on site.
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Blacktown Building Supplies James Hardie 400186 HardieFlex Fibre Cement Sheet 4.5mm 2400 X 1200
HardieFlex 4.5mm delivers dependable exterior lining for eaves, soffits and facade panels. The smooth surface is ready to paint, and the fibre cement core resists moisture, rot and termites. At 2400 x 1200 mm, sheets are easy to manoeuvre and install, offering neat joints on timber or steel framing. Suitable for new builds and renovations, it provides a durable, clean look with minimal maintenance and confident performance in exposed conditions.
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Blacktown Building Supplies James Hardie 400189 HardieFlex Fibre Cement Sheet 4.5mm 1800 X 1200
This compact HardieFlex 4.5mm sheet is ideal for smaller spans, eaves and soffit areas where handling ease is crucial. The smooth, paint-ready surface and moisture-resistant fibre cement core ensure long-term durability against rot and termites. At 1800 x 1200 mm, it reduces waste in tight spaces and assists with efficient installation on timber or steel frames. Perfect for renovations and detail work requiring consistent, low-maintenance exterior finishes.
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Blacktown Building Supplies James Hardie 400245 HardieGroove Lining 2700 x 1200
HardieGroove V-groove lining panels create the look of traditional tongue-and-groove boards with the durability of fibre cement. Pre-primed and ready to paint, they are ideal for internal feature walls, hallways and ceilings, and protected verandahs. Moisture resistant and dimensionally stable, panels maintain crisp shadow lines over time. The 2700 x 1200 mm size minimises joints and speeds installation on timber or steel framing, delivering a refined finish with reduced maintenance and fast turnaround.
$159.20
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Blacktown Building Supplies James Hardie 400319 Primeline Newport 4200 x 170 x 9mm Fibre Cement Weatherboard
Primeline Newport weatherboards provide a subtle, modern profile with the strength of fibre cement. Pre-primed for rapid finishing, they deliver straight, stable lines and resist moisture, rot and termites. At 4200 x 170 x 9 mm, boards offer efficient coverage while maintaining a refined, contemporary aesthetic. Suitable for timber or steel framing, they install easily and suit both new builds and re-clads, providing a durable, paint-ready facade with minimal ongoing maintenance.
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