Attic Foil With Ductwork In Attic

In cold months foil on the floor of an attic helps to stop radiant heat loss from the living spaces below.

Attic foil with ductwork in attic.

When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space. Air cannot move out unless it can move in from the bottom. When you staple radiant barrier foil insulation to the bottom of the rafters you combine the benefit of having a cooler attic by putting your duct work in a less hostile environment with the reduction in radiant heat flow through the insulation. You need r value on your attic floor and you need a radiant barrier either stapled to the bottom of your rafters or laid out over the attic insulation.

Wind turbines static vents or attic fans which consequently we do not recommend and holes in the bottom of your attic usually in the form of soffit vents that are clear and open. Products 60 48 26 rolls. 48 wide perforated double sided radiant barrier foil best selling. Empty attic spaces in mixed climate zones can benefit year round from the over insulation method.

Ductwork running through the attic space is another example of when a staple up method should be used. Most are about a thick or less. You must have both. Holes in the top of your attic i e.

26 wide perforated double sided radiant barrier foil for trusses. Let s take a look at the actual r value of eshield solarguard prodex and bubble foil products.