Posted by firstname.lastname@example.org on May 30, 2014 in | 1 comment
In the UK and mainland Europe, windows in new-build houses are usually fixed with long screws into expanding plastic plugs in the brickwork. A gap of up to 13 mm is left around all four sides, and filled with expanding polyurethane foam . This makes the window fixing weatherproof but allows for expansion due to heat.
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