Low-E is the number one selling reflective insulation in the country. Low-E is manufactured using a polyethlyene foam core with scrim reinforced double sided aluminum facings. Low-E can be used in all facets of the building industry where conventional insulations are used. It can be used alone or in conjunction with mass insulations for high r-systems. From large commercial buildings to residential homes Low-E can be used to save money on heating and cooling costs.