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Rigid board + pumped insulation incavity

muffler · 2008-08-31 11:17:09

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31-08-2008 11:17am

#1

muffler

Registered Users, Registered Users 2 Posts: 46,547 ✭✭✭✭

Join Date: August 2002

Posts: 40718

gally74 wrote:

hello all,

i have built the shell now with a 100 mm cavity, 60 mm insulation,

i was talking to a heat recovery installer and he said i should pump the rest of the cavity, he said if there are any gaps between the insulationm then its kind of useless,

any idea's on this, given sinnerboys post on uk standards, i am now concerned about the hollow core junction and the outer leaf aswell, so i am thinking of pumping the cavity,

i am also thinking of doig the insulated slab on the inside, still havent decided on this,

any commnets or advice appreciated,

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