Green Building Advisor Attic Air Sealing

Air sealing air sealing is one of the most critical features of an energy efficient home.

Green building advisor attic air sealing.

Sealing a ceiling. Luckily a leaky attic can often be the easiest and cheapest place to make energy saving improvements. Additional air sealing is required for this area which can be difficult to air seal. Sealing wire plumbing penetrations.

To prevent air leakage it is best to seal the building envelope during construction prior to installation of the drywall. The walls and attic were now air sealed. A home energy company has proposed a solution that involves sealing air leaks in the bedroom ceilings attic floor sealing around the chimney weatherizing the attic hatch insulating a few roof areas that the builders missed and adding cellulose to the rest of the attic to bring it up to r 60. The easiest way to find air leaks is with a blower door.

We see going green as a journey and wish to be your trusted advisor and contractor as you take this journey. If you want to add insulation remember that air leaks have to be sealed first. Green building advisor reader ani brown is getting ready to build a new house and like most people in her position brown will have to make some important choices on how to make the most of a limited construction budget. If you haven t done it yet it s time to climb into your attic and plug as many holes as you can find.

This electrical box called air foil has a second chamber where the wires penetrate the box. A blower door test is a good way to identify air leakage paths so that they can be sealed using an appropriate material. In this video series remodeler mike guertin identifies common air leaks and shows you the best materials and methods to seal them up right. There are four basic steps to sealing attic air leaks.

Videos in this series. The only part of the conditioned space of the house that wasn t yet sealed was the second story ceiling and i did that with drywall and spray foam. This chamber is then air sealed using expanding foam. Air sealing an attic.

Once this air sealing work is done you may want to add more insulation to your attic floor. Help your ice dam and attic moisture problems keep your home cooler in summer reduce drafts reduce noise improve your home s comfort health reduce your carbon footprint. The drywall is secured to the bottom chords of the roof trusses with 1 1 4 inch coarse thread drywall screws.