Double Bubble Insulation Under Metal Roof

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 under metal roof. 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 insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. Double bubble metal roofing insulation. This is why we recommend ecofoil bubble insulation for most metal building applications.

Cold winter temperatures on the metal roof turns the sheeting cold. Unroll the foil bubble wrap insulation over the metal joists or purloins that create the frame for the roof. A newer option we like from ecofoil is their double bubble wrap roll insulation for metal buildings. The sun s rays on the metal roof transfers radiant heat inside making it unbearably hot and humid inside the building during summer months.

Our double bubble products are ideal for metal buildings where the control of condensation is necessary. All our reflective double bubble products. Each layer is composed of polyethylene bubbles that function as an additional thermal barrier that helps stop condensation. Foil insulation is a radiant barrier and it works by.

Attach it to the purloins with double stick tape to hold it in place until you. Don t install a metal roof without insulating it you ll experience excessive heat cold and water. Double bubble insulation is the most effective bubble insulation with highest r value. 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.

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. 3 16 or 5mm closed cell polyethylene foam covered on both sides with 0012 inch 0 03mm aluminum facing.