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.
How to install foil insulation in attic.
If you have items in your attic that are heat sensitive staple the foil up first then add a second layer over the insulation to get year round results.
Attaching radiant barrier insulation to the rafters is the most effective method to employ but both methods have their advantages and disadvantages.
Starting at one end of your attic install our ultima foil breathable radiant barrier over across attic floor joists.
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.
This method keeps heat out in summer and heat in during winter months making it ideal for year round benefit.
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.
Visually inspect the interior roof area.
When laying the foil insulation it is not.
If your attic is empty other than insulation lay the foil over the insulation.
Continue covering the attic floor by overlapping each section of radiant barrier already rolled out by 2 inches.
Make sure that there are no leaks or openings for rainfall to infiltrate the.
Access the attic and measure the floor space s length and width with measuring tape.
Run the unfaced strips perpendicular to the joists and butt each strip tightly together to form an airtight blanket of insulation.