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J Hardie

166 products

  • James Hardie 306012 Snap-In Top Strip 3000mm HardieDeck Decking

    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.

    $17.95

  • James Hardie 306014 Snap-In Top Strip Fire Zone 3000mm HardieDeck Decking

    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.

    $18.30

  • James Hardie 306032 HardieDeck Wingless Base Jointer 3000mm Decking

    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.

    $22.10

  • James Hardie 306100 9mm Aluminium External Corner 3.0m

    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.

    $85.35

  • James Hardie 306102 9mm External Slimline Corner 3.0m

    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.

    $48.90

  • James Hardie 306103 Internal Concave Corner 3.0m

    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.

    $53.75

  • James Hardie 306104 9mm Horizontal Express Jointer 3000mm

    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.

    $35.10

  • James Hardie 306105 9mm Flashing Fine Texture 3000mm

    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.

    $58.00

  • James Hardie 306110 Fine Texture 9mm Aluminium Horizontal Jointer 10 Pack

    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.

    $16.30

  • James Hardie 306111 Fine Texture 9mm Aluminium Base Trim Connector 10 Pack

    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.

    $23.05

  • James Hardie 306128 14mm Aluminium Trimline Joint Flashing 3000mm

    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.

    $57.50

  • James Hardie 306130 14mm External Aluminium Trimline Jointer

    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.

    $6.20

  • James Hardie 306131 14mm Internal Aluminium Trimline Jointer

    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.

    $7.00

  • James Hardie 306132 14mm Aluminium Trimline Horizontal Jointer

    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.

    $3.30

  • James Hardie 306181 Castellated Batten 2700 x 45 x 20mm

    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.

    $37.10

  • James Hardie 306190 Aluminium Recessed Horizontal Jointer 3000mm

    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.

    $37.50

  • James Hardie 306191 Aluminium Recessed Horizontal Jointer

    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.

    $2.30

  • James Hardie 306192 Aluminium Base Slimline Starter 3000mm

    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.

    $40.15

  • James Hardie 306193 Aluminium Base Slim Start Connector PK10

    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.

    $23.55

  • James Hardie 306250 Structural Batten 70 x 35 x 2700mm

    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.

    $39.30

  • James Hardie 306253 PVC Cavity Vent Strip 35 x 3000mm

    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.

    $19.50

  • Scoring Knife – James Hardie Villaboard – Heavy-Duty Cutting Tool for Fibre Cement

    Swadlings Timber & Hardware Scoring Knife – James Hardie Villaboard – Heavy-Duty Cutting Tool for Fibre Cement

    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.

    $18.95

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J Hardie

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