Helpful? 0

Air sealing penetrations

My new house is designed to limit penetrations through the building envelope to as few as possible. Nevertheless, sillcocks, outside electrical receptacles, outside lights, HRV intake/ exhaust, etc. need to be sealed.
Are there methods or products that are more effective than others? How about ease of installation? I've seen photos of tape covering holes and that seems like a pretty clunky solution. I'm probably going to either do much of the airsealing myself, or at least supervise it.
Thanks for any advice.

Asked by stephen sheehy
Posted Fri, 08/29/2014 - 08:24
Edited Fri, 08/29/2014 - 10:06

Tags:

3 Answers

Select your preferred way to display the comments and click "Save settings" to activate your changes.
1.
Helpful? 0

Stephen,
There is no single answer to your question. Most builders use a combination of rubber boots, European tape, peel-and-stick flashing, and caulk. In some cases, canned spray foam is useful, although it doesn't always provide a foolproof seal.

If these products are new to you, you can survey the offerings of two online suppliers, 475 High Performance Building Supply and Small Planet Workshop.

Answered by Martin Holladay, GBA Advisor
Posted Fri, 08/29/2014 - 10:07
Edited Fri, 08/29/2014 - 10:09.

2.
Helpful? 0

How a brief description of what a cross section through a wall and roof looks like and how you air sealed them?

Answered by Terry Lee
Posted Fri, 08/29/2014 - 14:37

3.
Helpful? 0

Also look up Grace Vycors new spray on air sealing methods. It looks very promising.

https://grace.com/construction/en-us/residential-building-materials

Answered by Richard Beyer
Posted Fri, 08/29/2014 - 23:24

Other Questions in Energy efficiency and durability

Calculating how much air needed to even out temps for minisplit

In Mechanicals | Asked by Tom Frisch | Oct 23, 14

How do deviations in average winter temperature affect energy consumption?

In Energy efficiency and durability | Asked by norm farwell | Oct 24, 14

Flat roof insulation

In Energy efficiency and durability | Asked by Angela M | Nov 22, 13

Roof insulation

In GBA Pro help | Asked by Steven Clark | Oct 24, 14
Register for a free account and join the conversation


Get a free account and join the conversation!
Become a GBA PRO!