Install Radiant In Attic

The goal of adding a radiant barrier in your attic is to cover as much of the underside of the roof as possible.

Install radiant in attic.

In an open framed attic it is generally easiest to install the strips of radiant barrier roof material across the attic perpendicular to the direction of the roof joists overlapping each run by about 2 inches. 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. This puts the duct work in a less hostile environment and will reduce heat flow in to the ducts as described earlier. Radiantguard radiant barrier foil insulation installed in an attics can reduce attic temperatures by up to 30 degrees when stapled with a staple gun to the underside of roof rafters by reflecting up to 97 of the radiant heat that strikes its surface thereby reducing heat.

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. Radiant barrier should always be installed to work with the soffit and ridge. How to install radiant barrier on attic rafters in 5 steps.

If you will not find any instructions you can contact the manufacturer through customer support or look up the information on the internet as there are many different guides on how to properly install heat. Radiant barriers lower heat transfer rates and keep the attic space cooler lowering cooling costs by up to 17. Check your attic ventilation. 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.