CAVITY UNITS
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Blacktown Building Supplies 2340 x 620 x 90mm Cavity Slider Unit – Flush Jamb
This 2340 x 620 x 90mm cavity sliding door unit delivers a sleek, architrave-free opening with a flush jamb detail. Pre-assembled and ready to line, it speeds installation in 90mm stud walls while providing a smooth, space-saving slide action. Ideal for compact rooms, robes, and ensuites where door swing is restricted. Compatible with standard door hardware and plasterboard lining systems to achieve a refined, minimalist finish that complements contemporary interiors and practical space planning.Flush jamb design for a clean, architrave-free finish,Pre-assembled cavity frame suits plasterboard lining
$260.00
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Blacktown Building Supplies 2340 x 720 x 90mm Cavity Slider Unit – Flush Jamb
Create a seamless doorway with this 2340 x 720 x 90mm cavity sliding door unit featuring a flush jamb for a plaster-set look. Supplied as a pre-assembled frame, it is ready to line with plasterboard for fast, tidy installation into 90mm stud walls. Smooth sliding hardware maximises usable floor area while delivering a minimalist finish. Ideal for bedrooms, ensuites, and tight spaces where swing doors are impractical. Compatible with standard passage sets and common door thicknesses.Flush jamb design for a clean, architrave-free finish,Pre-assembled cavity frame suits plasterboard lining
$260.00
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Blacktown Building Supplies 2340 x 770 x 90mm Cavity Slider Unit – Flush Jamb
Deliver a minimalist doorway with this 2340 x 770 x 90mm flush jamb cavity sliding door unit. Pre-assembled for fast, accurate installation, it suits 90mm stud walls and lines easily with plasterboard for a seamless finish. The sliding mechanism conserves floor space, making it practical for bedrooms, hallways, and compact rooms. Compatible with standard passage sets and door sizes, it’s a trade-friendly solution to achieve contemporary, architrave-free openings with reliable operation and neat detailing.Flush jamb design for a clean, architrave-free finish,Pre-assembled cavity frame suits plasterboard lining
$260.00
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Blacktown Building Supplies 2340 x 820 x 90mm Cavity Slider Unit – Flush Jamb
This 2340 x 820 x 90mm cavity sliding door unit provides a spacious opening with a refined flush jamb detail. Supplied pre-assembled for quick installation, it suits 90mm stud construction and is ready to line with plasterboard for a seamless, contemporary look. The sliding action saves valuable floor space, making it ideal for living areas, bedrooms, and ensuites. Designed for compatibility with standard door hardware and finishing systems to achieve a consistent, high-quality result across projects.Flush jamb design for a clean, architrave-free finish,Pre-assembled cavity frame suits plasterboard lining
$260.00
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Blacktown Building Supplies 2340 x 920 x 90mm Cavity Slider Unit – Flush Jamb
This 2340 x 920 x 90mm cavity sliding door unit delivers a wide opening with a sleek, flush jamb finish. Pre-assembled for speed and accuracy, it suits 90mm stud construction and is ready to line with plasterboard. Ideal for living spaces where a larger doorway and a minimalist look are required. The sliding action maximises usable space, while compatibility with standard hardware and finishing systems promotes a consistent, high-quality result across residential and commercial interiors.Flush jamb design for a clean, architrave-free finish,Pre-assembled cavity frame suits plasterboard lining
$295.00
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Blacktown Building Supplies 620 x 70mm Cavity Slider Unit – Flush Jamb
This 620 x 70mm cavity sliding door unit provides a compact solution with a flush jamb for a clean, modern look. Supplied pre-assembled, it speeds installation in 70mm stud walls and lines easily with plasterboard. Ideal for small openings, robes, pantries, and tight spaces where swing doors are impractical. Compatible with common door hardware and finishing systems to achieve a consistent aesthetic across the project. A space-saving, trade-ready unit designed for neat, reliable performance.Flush jamb design for a clean, architrave-free finish,Pre-assembled cavity frame suits plasterboard lining
$199.00
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Blacktown Building Supplies 620 x 90mm Cavity Slider Unit – Flush Jamb
This 620 x 90mm cavity sliding door unit is designed for 90mm stud construction, featuring a flush jamb for a seamless, modern finish. Supplied pre-assembled, it enables fast installation and a tidy plasterboard lining. Perfect for compact openings and space-conscious layouts, it saves floor area compared to hinged doors. Compatible with standard hardware and finishing systems, delivering a consistent look across rooms. A reliable, trade-friendly solution for contemporary residential and light commercial interiors.Flush jamb design for a clean, architrave-free finish,Pre-assembled cavity frame suits plasterboard lining
$199.00
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Blacktown Building Supplies 720 x 70mm Cavity Slider Unit – Flush Jamb
This 720 x 70mm cavity sliding door unit features a flush jamb for a minimal, architrave-free detail. Pre-assembled for rapid installation, it suits 70mm stud walls and is ready to line with plasterboard. The sliding operation maximises floor space, making it ideal for compact rooms, robes, and pantries. Compatible with standard door hardware and finishing systems, it delivers a consistent, high-quality result across residential and light commercial projects where clean lines and space efficiency matter.Flush jamb design for a clean, architrave-free finish,Pre-assembled cavity frame suits plasterboard lining
$199.00
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Blacktown Building Supplies 720 x 90 mm Cavity Sliding Door Unit - Flush Jamb
This 720 x 90mm cavity slider flush jamb delivers a minimalist, architrave-free opening for contemporary interiors. Manufactured from pre-primed timber, it’s ready to paint and fast to finish on site. Sized for 90mm stud walls and 720mm door leaves at a standard 2040mm height, it forms a clean, durable edge to the cavity slider opening. Ideal for plasterboard partitions in residential or commercial projects where a sleek, shadowline detail is required. Works with most cavity slider frames and common hardware.Suits 90mm stud walls and 720mm door leaves,Factory-primed timber for quick top coating,Creates a modern, architrave-free shadowline
$199.00
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Blacktown Building Supplies 770 x 70 mm Cavity Sliding Door Unit - Flush Jamb
Achieve a clean, architrave-free opening with this 770 x 70mm cavity slider flush jamb. Pre-primed timber sections are ready to paint, delivering a crisp shadowline and saving time on site. Designed for 70mm stud walls and 770mm door leaves at standard 2040mm height, it provides a durable, straight edge to the cavity mouth. Ideal for plasterboard walls in modern residential or commercial projects. Compatible with most cavity slider frames and commonly used door hardware for a seamless, minimalist finish.Suits 70mm stud walls and 770mm door leaves,Pre-primed timber for fast finishing on site,Flush detail for clean, architrave-free openings
$199.00
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Blacktown Building Supplies 770 x 90 mm Cavity Sliding Door Unit - Flush Jamb
Create sleek, architrave-free openings with this 770 x 90mm cavity slider flush jamb. The pre-primed timber sections are ready to paint, providing a crisp shadowline and saving time on site. Designed for 90mm stud walls and 770mm door leaves at a standard 2040mm height, it forms a tough, straight edge to the cavity. Perfect for residential and commercial plasterboard partitions, it complements modern interior designs and is compatible with most cavity slider frames and commonly specified hardware.Suits 90mm stud walls and 770mm door leaves,Pre-primed for rapid onsite finishing,Flush, architrave-free detail for plasterboard walls
$199.00
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Blacktown Building Supplies 820 x 70 mm Cavity Sliding Door Unit - Flush Jamb
The 820 x 70mm cavity slider flush jamb provides a clean, architrave-free opening and a sharp shadowline finish. Made from pre-primed timber for rapid painting and easy on-site finishing, it suits 70mm stud walls with 820mm door leaves at a standard 2040mm height. Ideal for plasterboard walls in homes, apartments, and offices, it delivers a durable edge to the cavity opening and coordinates with contemporary interior detailing. Compatible with most cavity slider frames and standard sliding door hardware.Suits 70mm stud walls and 820mm door leaves,Factory-primed timber, ready for topcoat,Shadowline finish for modern interiors
$199.00
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Blacktown Building Supplies 820 x 90 mm Cavity Sliding Door Unit - Flush Jamb
Deliver a minimalist finish with this 820 x 90mm cavity slider flush jamb. The pre-primed timber is ready for topcoating, speeding up finishing and achieving a crisp shadowline around the cavity opening. Designed for 90mm stud walls with 820mm door leaves and a typical 2040mm height, it suits plasterboard walls in residential and commercial builds. Durable and straight, it integrates neatly with most cavity slider frames and commonly used sliding door hardware to complete a modern, architrave-free opening.Suits 90mm stud walls and 820mm door leaves,Pre-primed timber for easy finishing,Clean, architrave-free shadowline detail
$199.00
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Blacktown Building Supplies 870 x 70 mm Cavity Sliding Door Unit - Flush Jamb
This 870 x 70mm cavity slider flush jamb is designed to deliver a refined, architrave-free opening with a consistent shadowline. Constructed from pre-primed timber, it’s ready to paint and helps reduce finishing time on site. Sized for 70mm stud walls and 870mm door leaves at standard 2040mm height, it’s ideal for plasterboard walls in contemporary residential or commercial spaces. Durable and straight, it pairs with most cavity slider frames and typical sliding door hardware for a seamless result.Suits 70mm stud walls and 870mm door leaves,Factory-primed timber for quick topcoat,Creates an architrave-free, shadowline opening
$227.40
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Blacktown Building Supplies 870 x 90 mm Cavity Sliding Door Unit - Flush Jamb
Achieve a clean, architrave-free finish with this 870 x 90mm cavity slider flush jamb. Made from pre-primed timber, it’s ready to paint and speeds up finishing while delivering a consistent shadowline. Designed for 90mm stud walls and 870mm door leaves at 2040mm height, it suits plasterboard walls in residential and commercial applications. Robust and true, it interfaces with most cavity slider frames and commonly specified sliding door hardware to complete a sleek, contemporary opening detail.Suits 90mm stud walls and 870mm door leaves,Pre-primed for fast, clean finishing,Modern shadowline edge to cavity opening
$227.40
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Blacktown Building Supplies 920 x 70 mm Cavity Sliding Door Unit - Flush Jamb
The 920 x 70mm cavity slider flush jamb delivers a crisp, architrave-free opening suited to modern interiors. Manufactured from pre-primed timber, it arrives ready to paint for efficient on-site finishing. Designed for 70mm stud walls and 920mm door leaves at a standard 2040mm height, it provides a durable, straight edge to the cavity mouth in plasterboard walls. Ideal for residential and commercial builds, and compatible with most cavity slider frames and commonly used sliding door hardware.Suits 70mm stud walls and 920mm door leaves,Pre-primed timber for rapid topcoating,Flush, architrave-free shadowline finish
$240.00
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Blacktown Building Supplies 920 x 90 mm Cavity Sliding Door Unit - Flush Jamb
This 920 x 90mm cavity slider flush jamb enables a minimalist, architrave-free detail for contemporary interiors. The pre-primed timber is ready to paint, reducing finishing time while providing a crisp shadowline around the cavity. Sized for 90mm stud walls and 920mm door leaves at a standard 2040mm height, it’s ideal for plasterboard walls in residential and commercial projects. Durable and straight, it integrates with most cavity slider frames and typical sliding door hardware for a professional finish.Suits 90mm stud walls and 920mm door leaves,Factory-primed timber for easy finishing,Clean shadowline, architrave-free opening
$240.00
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