Subframes are the largest supplier of mechanically jointed and welded cavity closers here in the UK. Our range of bespoke cavity closers (also known as window formers) are engineered to meet the exact specifications of your project, including your unique architectural blueprints and designs.
At Subframes, our cavity closers are manufactured as 2, 3 or 4-sided framed and can be supplied with or without vented heads as arches, ovals, circles or a combination of T or P-shaped flags. We also offer your choice of standard, fire-rated and structural frames fitting 50mm to 300mm cavities – all of which are constructed to the highest possible standard in our 30,000ft² factory.
For more information about our range of custom closers, please get in touch with the team at Subframes today.