Attic Foil With Ductwork In Attic

Either up the channel created by the foil between the roof deck and the foil or it will come into the attic below the foil.

Attic foil with ductwork in attic. Today s flexible ductwork is covered with a shiny metallic cover this is its vapor barrier. See more diy project photos. Holes in the top of your attic i e. Empty attic spaces in mixed climate zones can benefit year round from the over insulation method.

You must have both. Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water. Air cannot move out unless it can move in from the bottom. Hvac ductwork is typically visible in your attic especially flexible ductwork.

For homes like this using radiant barrier foil on top of the insulation gives you the best year round benefit by both. The attic ductwork is flex duct work. 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. 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.

Attic ventilation is very simple. The shiny vapor barrier will protect the ductwork from sweating as long as it s exposed to the surrounding air. Good ventilation will put the ducts in a cooler environment. Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords.

Attic ventilation is real simple. If you have no ductwork in your attic and your attic floor is free and clear of hvac components and miscellaneous storage boxes then you can use the superperf or the original atticfoil for an over insulation method. Ductwork running through the attic space is another example of when a staple up method should be used. When done this way fresh outside air will enter the attic low at the soffit level and it will go one of two routes.

Heat is flowing into the ducts by conduction not radiation. It was new when the ac was put in 7 years ago. Holes in the top of the roof exhaust vents and holes in the bottom soffits or eves. In cold months foil on the floor of an attic helps to stop radiant heat loss from the living spaces below.