Goodday. When measuring for Upvc windows a 5mm gap is allowed all round for expansion. In all the installation videos on the web packing pieces are inserted between wall and frame at the fixing points, the fixers tightened, and the packers left insitu. Thus no expansion gap !! Could any pros out there explain what is best practise as I'm confused.Thanks.
Upvc window packers
- Thread starter Don Gola
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Try page 27?
It's a good read, informative to say the least.
http://www.windows-are-us.co.uk/wp-content/uploads/2014/01/CE-GGF-Installation-Guide.pdf
It's a good read, informative to say the least.
http://www.windows-are-us.co.uk/wp-content/uploads/2014/01/CE-GGF-Installation-Guide.pdf
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Normally packing is fitted by the fixing screws to prevent the screws from being overtightened and distorting the frames.
The expansion and contraction will mainly happen at the corners where long lengths meet. Expansion is roughly 1.6mm per linear meter for most materials.
Or you can just use concrete screws http://www.seac.co.uk/concrete_masonry_screws as they are self packing, Just check the frame is straight after you have tightened them and jobs done.
The expansion and contraction will mainly happen at the corners where long lengths meet. Expansion is roughly 1.6mm per linear meter for most materials.
Or you can just use concrete screws http://www.seac.co.uk/concrete_masonry_screws as they are self packing, Just check the frame is straight after you have tightened them and jobs done.
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