I may have the option of buying some used good condition double glazed PVCu french doors. If I fit them in a new extension, will I have problems with building regs? What if I can't prove what gas they are filled with etc? Thanks, Simon.
I may have the option of buying some used good condition double glazed PVCu french doors. If I fit them in a new extension, will I have problems with building regs? What if I can't prove what gas they are filled with etc? Thanks, Simon.
Ignore this - duplicate of existing. Simon.
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