Bubble Wrap Under Metal Roofing

This product like sheet foil should be installed with the foil side facing the metal roofing.

Bubble wrap under metal roofing.

Cold winter temperatures on the metal roof turns the sheeting cold. Foil faced bubble wrap is composed of either one single bubble or two double bubble layers of mylar air bubbles sandwiched between two metalized surfaces. A newer option we like from ecofoil is their double bubble wrap roll insulation for metal buildings. The metal is going to sweat.

If you must insulate near the metal use spray foam insulation sprayed directly on the metal. Unroll the foil bubble wrap insulation over the metal joists or purloins that create the frame for the roof. The sun s rays on the metal roof transfers radiant heat inside making it unbearably hot and humid inside the building during summer months. Attach it to the purloins with double stick tape to hold it in place until you.

The 2 x4s under it will give space for air circulation to help dry the sweating. Quality metal roofing s bubble installation is a single or double layer of polyethylene bubbles bounded to and sandwiched between a radiant barrier metalized foil and white polyethylene sheet. The metal roofing system and its expected service life the climate at the building location roof slope and geometry and ambient conditions temperature relative humidity within the building. A metal roof under the same conditions may stay more than 50 f cooler than an asphalt roof which saves both energy and money.

Bubble foil insulation adds a layer of insulating air to the radiant barrier provided by the foil. The many style options of metal roofs metal roofing comes in numerous styles that mimic modern architectural shingles unique clay tiles traditional standing seams metal roofs with panels that run vertically up the. Prodex total is composed of 13 64 inch approx. Long term in service roof performance can be affected by several important factors including.

Double bubble metal roofing insulation don t install a metal roof without insulating it you ll experience excessive heat cold and water. Each layer is composed of polyethylene bubbles that function as an additional thermal barrier that helps stop condensation.