Spray foam insulation install

This week sees the spray foam insulation installed for the roof and flat roof interiors.

This foam is sprayed between and over the rafters, and where we will plasterboard over its shaved back to the rafter level so the board can be affixed to the wood.  The great thing is that both between the rafters and at the wall plate the foam expands into all cracks and gaps fully.  With rock wool or cut insulation you'll never get a perfect seal, with this it forms an airtight (but breathable) layer that stops drafts entering through the roof areas.

Its a messy business, and the good companies clean up after themselves.  I hope so as its like Les Arc in January in some sections.