Double Bubble Insulation Under Metal Roof

Double bubble metal roofing insulation.

Double bubble insulation under metal roof.

Attach it to the purloins with double stick tape to hold it in place until you. This is why we recommend ecofoil bubble insulation for most metal building applications. Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. 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. Make sure that the bubble wrap is sealed air tight too because unconditioned air leaking in under the insulation will defeat the purpose of the bubble wrap. Double bubble insulation is the most effective bubble insulation with highest r value. Prodex total is composed of 13 64 inch approx.

If your budget allows we recommend combining one of the other insulation materials with some type of. Don t install a metal roof without insulating it you ll experience excessive heat cold and water. 3 16 or 5mm closed cell polyethylene foam covered on both sides with 0012 inch 0 03mm aluminum facing. Are two layers of polyethylene industrialized air bubbles bonded between exterior.

A newer option we like from ecofoil is their double bubble wrap roll insulation for metal buildings. Each layer is composed of polyethylene bubbles that function as an additional thermal barrier that helps stop condensation. Our double bubble products are ideal for metal buildings where the control of condensation is necessary. Allison bailes dave it s easy to get confused about this because if someone wraps the ducts with bubble wrap there is an air gap on one side as you say.

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. It s important to know that ecofoil bubble insulation can absolutely be used in conjuction with other forms of traditional insulation for a combination to work against all 3 types of heat transfer.