The widely disseminated doe sponsored guide to attic air sealing provides critical best practices for attic retrofits.
Attic air sealing guide.
Other guides for air sealing are available.
Here s how to locate the leak spots and plug them without spending a lot of money.
Small air leaks into uninsulated attic space are a major source of heat loss in many homes.
The guide to attic air sealing provides information and specifications to the following groups.
Golden co 80401.
Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.
The national renewable energy laboratory.
Guide to attic air sealing.
Square hole that s acting like a chimney drafting expensive heated.
Imagine that you have a small boat and steered it into a cluster of jagged rocks.
Chances are your ceiling has the equivalent of a 2 ft.
The guide to attic duct sealing provides important information for houses with ductwork and other.
Office of energy efficiency and renewable energy.
The attic air sealing details section provides a scope of work and specification for the air sealing of many points of air leakage in common attic spaces.
By air sealing in your attic you can stop many major air leaks and help to maintain the desired temperature throughout your home.
Department of energy s building america program.
Home blog diy attic insulation and air sealing guide.
Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots.
Home comfort problems often start in the attic where poor insulation and numerous air leaks create problems for your heating and cooling system and make your home uncomfortable.
As of 2012 the guide had 21 000 views and 13 000 downloads since it was posted to the building science corporation website.
Your focus should be on the attic when you begin air sealing.
The boat suffers and has a few holes in the bottom of it.
The number one prep step.
Attic insulation air sealing experts enjoy a more comfortable healthy and efficient home with quality attic insulation services.
While the air leaks around windows and doors are significant and most noticeable you are probably losing a lot more air and energy in your attic and basement.
A sample work plan can be found in appendix a.
In many homes the combined air leaks in these two areas add up to a half window being open all day long.
Air sealing details for most common attic situations are provided in this guide on page 15.
The attic air sealing work plan.
On behalf of the u s.
This broad interest provides strong evidence the guide is being extensively used by builders.
Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners.
The attic is usually where you can find some of the largest opportunities to save energy in your home.
