a) Fiberglass/Rock/Mineral wool, preformed pipe/cylinder covers
b) Cellular Foam sheet, preformed pipe/cylinder covers
c) EPS foam (fire retardant) preformed pipe covers and slabs
It is important to decide on correct thickness, density, U factor, moisture barrier and cladding for a good worthwhile installation. Here it is best to get the assistance of a good contractor/supplier in order to select the best for your application.