Without attic insulation to act as a buffer ... or injection foam for your wall joist space or spray foam insulation for the roof space. These methods allow you to improve thermal performance ...
Blown-in insulation can accidentally cover soffit vents and block air circulation, so locate soffit vents and roof ... attic floor, especially areas around plumbing and chimneys. Use expanding ...
They have "concerns over poor fitting" trapping in moisture and leaving "roof timbers at risk of decay", said the BBC. Of course, the spray-foam insulation in many homes may have been correctly ...
For attic walls, the recommended R-value varies based on climate zones. Each type has pros and cons. For example, fiberglass insulation is cost-effective but less airtight, while spray foam ...