My son has a poorly constructed (pitched) roof on a small extension on the rear of his terraced house. We wish to replace this with a warm flat roof.
Warm roof construction requires that both inner and outer perimeter walls meet the insulation layer above the joists to avoid cold bridging. The simplest way to achieve this appears to be to build the joists into the inner leaf of the outer extension wall, rather than sitting on a wall plate as in a cold roof. Am I correct in this assumption?
Warm roof construction requires that both inner and outer perimeter walls meet the insulation layer above the joists to avoid cold bridging. The simplest way to achieve this appears to be to build the joists into the inner leaf of the outer extension wall, rather than sitting on a wall plate as in a cold roof. Am I correct in this assumption?