0 Helpful?

Ice and Water Shield on unheated garage roof

Hi. This may be a silly question, but I am wondering whether ice and water shield is recommended for the eaves of an unheated garage? Also, is there typically a minimum distance from the drip edge on the house's roof decking? I've come across 2' beyond the exterior wall? Grace makes an "HT" version. They claim that it is used for metal roof applications. Is this necessary in my case; Maine and light colored metal roof? Thanks.

Asked by Matthew Michaud
Posted May 18, 2014 8:30 PM ET
Edited May 18, 2014 8:37 PM ET

Tags:

1 Answer

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

Matthew,
I assume that your garage will be unheated. Ice dam problems are rare on unheated buildings -- and they are especially rare (almost impossible) if you have metal roofing.

Save your money; this building doesn't need any Ice & Water Shield.

Answered by Martin Holladay, GBA Advisor
Posted May 19, 2014 7:10 AM ET

Other Questions in General questions

Roof SIPs and 2012 IRC R806

In Building Code Questions | Asked by Peter L | Apr 23, 15

Perforated metal used in Roxul rock board install?

In General questions | Asked by Lucyna de Barbaro | Apr 24, 15

Sheathing moisture in a temperate climate

In General questions | Asked by Malcolm Taylor | Apr 24, 15

Water heater standby losses

In Mechanicals | Asked by Pete Engle | Apr 28, 10

Sealing gap between garage floor & drywall?

In Green building techniques | Asked by Robert Hallenbeck | Sep 20, 14
Register for a free account and join the conversation


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