Spray Foam Insulation - You & Yours Radio 4
On 16/04/2021 11:35, Andrew wrote:
They can't. It is just sprayed directly onto the underside of the slates
and all over the timber.
A neighbour's house has this - it was sold not so much as insulation but
as a cheap alternative to replacing an old slate roof. Glue the slates
on from the inside with foam.
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