Attic Foil With Ductwork In Attic

Let s take a look at the actual r value of eshield solarguard prodex and bubble foil products.

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. See more diy project photos. Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords. Air cannot move out unless it can move in from the bottom.

48 wide perforated double sided radiant barrier foil best selling. Products 60 48 26 rolls. Most are about a thick or less. 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.

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. 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. You must have both. Ductwork running through the attic space is another example of when a staple up method should be used.

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