... of any heat insulation system 4 x 4mm,165g/m2,1m x 50m Fiberglass Mesh is the basis of any heat insulation system. Cracks ... ,165g/m2,1m x 50m 5x5mm,80g/m2,120g/m2,145g/m2,250g/m2,280g/m2, 300g/m2,1mx50m 4 x 5mm,135g ... /m2,145g/m2,1m ... x 100m 6 x 6mm,110g/m2,210g/m2 7 x 7mm,140g/m2 Fiberglass Mesh