Attic Foil With Ductwork In Attic

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Attic foil with ductwork in attic.

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. Most are about a thick or less. 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. Holes in the top of your attic i e.

You must have both. 48 wide perforated double sided radiant barrier foil best selling. Attic ventilation is very simple. 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.

Let s take a look at the actual r value of eshield solarguard prodex and bubble foil products. In cold months foil on the floor of an attic helps to stop radiant heat loss from the living spaces below. 26 wide perforated double sided radiant barrier foil for trusses. 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. Air cannot move out unless it can move in from the bottom.