Install Radiant In Attic

Check your attic ventilation.

Install radiant in attic.

You want to add the foil on all surfaces that make up the roof but you also need to keep vents open and clear of the foil. The goal of adding a radiant barrier in your attic is to cover as much of the underside of the roof as possible. Radiant barrier installation attic radiant barrier installation most of the heat entering a home comes through the roof. How to install radiant barrier on attic rafters in 5 steps.

These leaks should be sealed up before installing radiant barrier attic foil directly over attic insulation. By increasing the ventilation you can reduce the air temperature of the area. Installing radiant barrier under the roof decking is the preferred method versus on top of the insulation because it gives an air gap for the heat to escape to the ridge vent without creating a potential moisture problem between the radiant barrier and the attic floor. This puts the duct work in a less hostile environment and will reduce heat flow in to the ducts as described earlier.

By installing a radiant barrier in your attic you can reduce radiant heat transfer from the roof to your attic by absorbing that heat. Radiant barriers lower heat transfer rates and keep the attic space cooler lowering cooling costs by up to 17. Installing heat radiant barriers is not difficult but you will need to follow the instructions that are usually given by the manufacturer in the form of a booklet in the packaging box. Radiant barrier should always be installed to work with the soffit and ridge.