airtightness

Hello! We're doing a mix of carpet and engineered wood floor for our renovation project - it's a 1930's bungalow, so at least we only have one floor layer to worry about. We're unwilling to pull up the floorboards to insulate from the top-down as there is plenty of space beneath the floor to...

Hello all, I'm renovating my property completely and want to make it as airtight as possible so I can install a MVHR. The house is two storey detached and has cavity wall in the ground floor but single solid wall on the first floor. My questions are around the first floor joists, which they...