How To Install Foil Insulation In Attic

When laying the foil insulation it is not.

How to install foil insulation in attic. If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top. Foil insulation installation in an existing attic you can either staple rolls of foil radiant barrier insulation to the rafters or lay the foil out on top of the insulation. If your attic floor has no insulation install faced batts or faced rolls between each joist with the moisture barrier facing down against the drywall or plaster ceiling below. Over insulation method cold or mixed climates create a green energy barrier by laying the radiant barrier foil out over the existing insulation on the attic floor.

Continue covering the attic floor by overlapping each section of radiant barrier already rolled out by 2 inches. This method keeps heat out in summer and heat in during winter months making it ideal for year round benefit. Attaching radiant barrier insulation to the rafters is the most effective method to employ but both methods have their advantages and disadvantages. If your attic is empty other than insulation lay the foil over the insulation.

Run the unfaced strips perpendicular to the joists and butt each strip tightly together to form an airtight blanket of insulation. Access the attic and measure the floor space s length and width with measuring tape. How to install reflective foil in an attic 1. Visually inspect the interior roof area.

Roll out the reflective foil in a large.