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Walltite - certification for masonry cavity retrofit

Lumen · 2018-01-15 11:09:36

There have been many threads on closed-cell PU foam (specifically Walltite) including retrofit insulation of masonry cavity walls (which is what I've considered for my own house), but none of them really closed the loop on the certification situation. Many of the installer websites are misleading in that they state that…

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#32 27-10-2023 11:43am
10-10-20

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https://www.boards.ie/discussion/comment/121289780#Comment_121289780

Agreed, galvanised was specified from early 80's in the UK at least I heard?
So we're probably safe enough then with CV100 as long as we have the EPS/PIR board on the inner leaf.
The other consideration that I had around CV100 was that it cures and expands better on warmer days - so I wanted to have the walls done when it was mild rather than a frosty day... small things like that.

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