Green Building Advisor Attic Air Sealing

The drywall is secured to the bottom chords of the roof trusses with 1 1 4 inch coarse thread drywall screws.

Green building advisor attic air sealing.

A blower door test is a good way to identify air leakage paths so that they can be sealed using an appropriate material. To prevent air leakage it is best to seal the building envelope during construction prior to installation of the drywall. Videos in this series. 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.

Sealing wire plumbing penetrations. The easiest way to find air leaks is with a blower door. Sealing a ceiling. 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.

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. We see going green as a journey and wish to be your trusted advisor and contractor as you take this journey. Once this air sealing work is done you may want to add more insulation to your attic floor. The walls and attic were now air sealed.

If you want to add insulation remember that air leaks have to be sealed first. 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. Air sealing air sealing is one of the most critical features of an energy efficient home. Attic apartment attic rooms attic house attic playroom garage attic bed rooms tiny house home renovation rustic renovations.

Today it might be insulation. If you haven t done it yet it s time to climb into your attic and plug as many holes as you can find. In this video series remodeler mike guertin identifies common air leaks and shows you the best materials and methods to seal them up right. Air sealing an attic greenbuildingadvisor.

This electrical box called air foil has a second chamber where the wires penetrate the box. There are four basic steps to sealing attic air leaks. This chamber is then air sealed using expanding foam.