allbuild window formers

Window Formers; pre-formed & insulated cavity closer

Allbuild offer bespoke, pre-formed, insulated cavity closers prepared to your exact requirements. Cavity sizes can vary from 70 to 130mm and we make them all. Window formers can be constructed within 48 hours from sign-off and delivered direct to your site. (subject to stock availability & work load) Our window formers are made from solid white plastic section, with internal insulation and a keyed plastic face making it easy to plaster to.

Each window former frame has a corner support strut, 2 if the former is wider than 1.5mtrs. They also have a wooden brace holding both sides together, but if the window former is higher than 1.5mtrs then a 2nd brace is fitted for stability. Each corner joint is screwed with double fixing as shown in the video below.

Building Regulations Regarding Cavity Closer

Allform takes into account ALL building regulations with reference to cavity closer.

Building Regulations Part C states that cavity closers surrounding both doors and windows are necessary for the prevention of water penetration.

Building Regulations Part L recognizes issues of cold bridging and ensures buildings must have insulated cavity closer.

Building Regulations Part B talks about fire rated cavity closer. Upon request our window formers can have fire rated insulation.

Save time, money and hassle with Allform Window Formers!

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