Green Building Advisor Attic Air Sealing

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.

Green building advisor attic air sealing.

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. Air sealing an attic. In this video series remodeler mike guertin identifies common air leaks and shows you the best materials and methods to seal them up right. 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.

Once this air sealing work is done you may want to add more insulation to your attic floor. The drywall is secured to the bottom chords of the roof trusses with 1 1 4 inch coarse thread drywall screws. If you haven t done it yet it s time to climb into your attic and plug as many holes as you can find. The easiest way to find air leaks is with a blower door.

This chamber is then air sealed using expanding foam. Sealing a ceiling. Videos in this series. This electrical box called air foil has a second chamber where the wires penetrate the box.

Sealing wire plumbing penetrations. Luckily a leaky attic can often be the easiest and cheapest place to make energy saving improvements. We see going green as a journey and wish to be your trusted advisor and contractor as you take this journey. There are four basic steps to sealing attic air leaks.

A blower door test is a good way to identify air leakage paths so that they can be sealed using an appropriate material. Air sealing an attic greenbuildingadvisor. To prevent air leakage it is best to seal the building envelope during construction prior to installation of the drywall. Additional air sealing is required for this area which can be difficult to air seal.

Today it might be insulation. 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 walls and attic were now air sealed.