Hi
whats the best way to seal the external gap around new upvc windows / doors?
Am I right in thinking to use expanding foam to fill the gaps & then seal this with low modulus sealant (something like dow corning 796)?
Any advice much appreciated.
Thanks
whats the best way to seal the external gap around new upvc windows / doors?
Am I right in thinking to use expanding foam to fill the gaps & then seal this with low modulus sealant (something like dow corning 796)?
Any advice much appreciated.
Thanks