Unroll the insulation and lay it along in between the joists. Most joists are about 100mm substantial (but measure yours very first to confirm this), so that you’ll want 100mm thick wool for this primary layer. The success of an insulation’s resistance to warmth stream also is determined by how https://open-cell-spray-foam04681.life3dblog.com/12609686/everything-about-loft-inuslation