Granular Roof Insulation

Loose fill insulation comes in a variety of materials.

Granular roof insulation.

Granular fill insulation comes in three basic forms including perlite vermiculite and polystyrene beads. Ac cap sheet consists of a proprietary modified asphalt a tough fiberglass reinforcing core and a granular surface to protect against uv weathering and physical damage. Thermofloc insulation pellets are granules made from cellulose fibers. It is easy to identify by its loose lumpy form and fluffy or granular texture.

All of these materials come in the form of tiny beads pebbles or pellets. Weatherlock g granulated self sealing waterproofing barrier provides additional security against leaks caused by storms wind driven rain and shingle blow offs. Two types of material meet brick institute of america bia design criteria for loose fill granular insulation. Granular cap sheet roof.

A third material is expanded polystyrene eps beads. Surfacing for built up roof systems include aggregate such as gravel slag or mineral granules glass fiber or mineral surfaced cap sheets hot asphalt mopped over the entire surface aluminum coatings or elastomeric coatings. No matter whether you have a concrete slab or a wooden beam ceiling the insulation qualities of both types of construction can be markedly improved using thermofloc insulation pellets. Cap sheet is a rubberized asphalt roll roofing product.