Subframes UK solely manufacture and supply cavity closers, (also known as window formers and frame formers) to the building t ... rade across the UK. Our company is known throughout the industry as being pioneers in the innovation and design of cavity closures. Subframes UK are an approved fabricator of Cavalok, Dacatie, Duraflex, Spectus and Kingspan. We operate our business from our Midlands based factory using the latest automated machining centre to ensure we keep up with quality and demand for our cavity closers across the UK. Our experienced team are here to help you with your project however large or small ensuring that you receive the correct cavity closure for your site specification. For quotations, product information or technical support please call us on 01773 590100, fax 01773 590200 or email sales@subframes-uk.com read more