Plastic Mouldings
PVC Angles, Trims and Joiners for Sheet Edges
Finishing sheet edges, covering a joint, or trimming out a render job? PVC plastic mouldings give a clean, waterproof edge where two materials meet, and hold up where timber trim would swell or rot. We stock the full range: H mould joiners, PVC angles from 12×12 up to 50×50, internal and external moulds, cover moulds, end caps, and PVC flashing angles, in 2.4m and 3.0m lengths. Whether you are capping a fibre cement edge or joining sheets on a wet-area wall, there is a profile sized for the job.
Choosing the Right PVC Profile
The profile follows the join. H mould joiners sit between two sheets to bridge and hide the gap, which is why they suit butting fibre cement or compressed sheet edge to edge. Angles and external moulds wrap an outside corner for a straight, protected edge, while internal moulds do the same on an inside corner. End caps close off an exposed sheet edge for a finished line, and cover moulds run over a flat join to conceal it. For weather junctions, the PVC flashing angles in 75×50 and 150×50 shed water where a sheet meets another surface.
Why PVC Over Timber Trim
PVC is the practical choice for trim in wet or exposed spots. It is waterproof, so it protects joints and sheet edges that would draw moisture, and it does not rot, warp, or draw termites the way timber can. It takes cement-based and acrylic render, so external angles can be rendered straight over for a seamless finish, and it stays low-maintenance for years once it is in. That combination makes it the standard for capping and joining fibre cement and sheet products, and it pairs with our PVC pipes and accessories and flashings and dampcourse for the rest of the weatherproofing.
Delivered Across Sydney Serving Trades & Renovators
- Full profile range in stock: H joiners, angles, internal and external moulds, cover moulds, end caps, and flashings, from 4.5mm to 50mm.
- 2.4m and 3.0m lengths: Sized to sheet and wall runs, in single lengths or volume.
- Delivered across Sydney: Sydney, the Blue Mountains, Wollongong, and the Central Coast, or click and collect from Arndell Park.
- Australian-owned family business: Western Sydney based. Real people, real stock, real advice.
Whatever the join calls for, from a single end cap to a full run of render angle, we’ve got the moulding.
Call 1300 554 775 or request a quote online and our team will help match the profile and length to your sheets.
Frequently Asked Questions
What is an H mould joiner used for?
An H mould joiner sits between two sheets and bridges the gap, hiding the join and holding the edges. It is commonly used to butt fibre cement or compressed sheets edge to edge.
Can you render over PVC angles?
Yes. PVC external and render angles take cement-based and acrylic render, so they can be rendered straight over to give a straight, protected corner with a seamless finish.
What is the difference between internal and external PVC moulds?
External moulds and angles wrap an outside corner, while internal moulds finish an inside corner. Both give a clean, straight edge where two sheets or surfaces meet.
Do plastic mouldings rot or attract termites?
No. PVC mouldings are waterproof and resist rot, warping, fungal attack, and termites, which is why they are used in wet areas and exposed joints where timber trim would fail.
What lengths do PVC mouldings come in?
BBS stocks plastic mouldings in 2.4m and 3.0m lengths across the profile range. Call 1300 554 775 to check sizes and profiles in stock.