I have a pack of left over 75mm Glass Fibre Insulation slabs from the building of my extension.
Is there any reason why I shouldn't use them to top up my loft insulation? (Superglass - Superwall)
Cavity Wall Insulation Slabs for loft?
Jul 09, 2013
7 Replies
They are a bit on the heavy side for in a loft if they are the dense things that I think you mean. But if the beams are strong enough...
I used the left over cavity wall batts as extra insulation in my loft.
mark
No reason whatever, carry on.
just what do you think he means?
Jim K
Compacted glass fibre slab for putting in walls. It is a lot heavier per unit area than the fluffy stuff you usually put into a loft. I suspect it would go right through the ceiling of a modern build house.
got a link?
if "compacted" how does it work as an insulant then?
Cavity batts don't weigh anything like enough to bring a ceiling down.
I think you're thinking of something else...
Jim K
75mm solid glass?
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