Nov 1, 2009 · Going to put Grace IWS on hips & ridges of new build. Does the 30# felt fall short of hips/ridges then get overlapped by IWS or do you felt right over the...

Sep 30, 2009 · The roof overhangs on my house have the original 88 year old wood. Wouldn't you think that would get torn up with a re-roof with the IWS on it?

Aug 5, 2009 · The drip edge can have the style D roof edge capped by the IWS (method 1).The IWS can be run over the edge and hanging down on the fascia with a style L roof edgeover the roof edge and into the gutter (method 2). Finally the IWS can go under the style D roof edge and then it is sealed with a strip of IWS over the top (method 3).

Jun 28, 2006 · Grace Ice and Water Shield versus Certainteed Winterguard HT, which is better? Both claim to be far superior than the competing brand's, but locally they sell only one or the other of these!

Jun 24, 2011 · Some body is always re-inventing the wheel. As an engineer that has many years experience, I have a difficult time accepting the new gimmicks that compromise a long proven system for marketing purposes. The original "french" drains never used pipe, but only correct sand and gravel and lasted centuries. The concept of the proper materials creates a many times larger radius area to collect water ...