March 12, 20224 yr Hi all Just finishing making lots of improvements to my house (fixing all the bodges the builders made back in 2007). They didn't bother putting cavity closers in a fair few reveals but put the odd one here and there but not sealing them or anything. The brickwork is not even and out of alignment to get a decent fit with the cavity closers so I'm doing my best with what Ive got. I was thinking of doubling up the insulation at the reveal to seal the cavity so adding the left over 25mm pir boards in first and foaming / using a building adhesive to get them airtight. Should I tape up the non foiled edge that will face the outer brick to stop any chance of water absorbing or will the foil tape add a very small cold bridge? The closers will then go in afterwards nice and tight to the pir boards. I have the closers already and cut to size. Final fitting will be done when Ive removed the rest of the plasterboard on the external walls in the 2 rooms ready for block repair and sealing up all junctions and blocks. Edited March 12, 20224 yr by j_s
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