Most Bifolds sold today seem to end up in new ground floor home extensions, usually Installed before any internal plastering has been started.

When internal reveals aren’t plastered Installers have a choice to use a traditional through-fix method or the strap-fix method for securing the outer frame.

Regardless of which method you employ, it’s essential that you have a solid, well packed outer frame to securely hold the weight of multiple glazed panels. Read more