A board-type product, usually of low or medium density, made of mineral fibers, cellular glass, foamed plastic, wood fiberboard, one or both sides of which may be faced with another material;...
Different types of insulation work in different ways, but each type blocks one of the three types of heat transfer.Conduction is heat transfer from particle to particle and acts mainly in solids and...
Loft insulation prevents Conduction and Convection, the floor of the loft is layered with thick wool, this stops heat escaping from your ceiling and stops the cold getting in. :P