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Am currently bidding new construction residential where the Arch. has called for Grace Ice and Water Shield on the roof deck under the Standing Seam Galvalume roof which is fine.
The problem is he also wants it on the wall sheathing(1/2 CDX).
Walls get covered with Hardie Plank.
This product is a water and vapor barrier. Just doesn’t seem right for the wall to be so tight.
Any input greatly appreciated.
Thanks
Steve Jackson
Replies
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let the walls breathe! Have the arch pay the 150.00$ a roll to do it too.
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Steve,
Is this Arch straight out of school? Did he do the plans on an etch-a-sketch? Sounds like he's taking the CYA thing a bit too far. Ask him to show you in the Grace specs where its accepptable for use in that application...and then refuse to do it anyway.
Talk to the old timers about papering a wall with red rosin paper. I run into it all the time on remodels, and the sheathing is usually dry tight and sound. It's not the wrap that makes the difference . It's the siding job...and of course the 'design' details. Like big overhangs, correct grading height, fenestration,etc....did the Arch spend as much time thinking about that as he did choosing his housewrap?
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Hi Port Carpentry,
No, the bad news is the Arch is locally high profile, mostly commercial stuff. He is of the WW II generation, old enough to know better.
Went to Graces web site and their data talks only about roof use.
Also this house has covered porches around most of it.
Gosh, you know I may be an Industrial Prostitute but I'm afraid I'm gonna have to call him on this one. House wrap or felt paper on the walls.
Thanks for the feedback.............Steve Jackson
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Am currently bidding new construction residential where the Arch. has called for Grace Ice and Water Shield on the roof deck under the Standing Seam Galvalume roof which is fine.
The problem is he also wants it on the wall sheathing(1/2 CDX).
Walls get covered with Hardie Plank.
This product is a water and vapor barrier. Just doesn't seem right for the wall to be so tight.
Any input greatly appreciated.
Thanks
Steve Jackson
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Steve,
I was just wondering if everyone else who bid this job, figured in the cost of the Ice Shield and the labor involved. That stuff is time intensive enough putting it on a roof, I can't imagine how to keep it straight and unwrinkled on a wall. (Yikes) short pieces I guess.BTW unless Grace has changed their product in the last few years, I prefer the GAF stuff. How many squares are we talking here anyway?
And why would the Arch spec this for use under a covered porch? Do you live in hurricane alley?
Ya know on further reflection as long as your getting well compensated for the installation and he signs off on the detail as nonconforming with manufacturers specs. Go for it. I always use it on roofing jobs and except for the occasional misstick, I realy like the product. Just doesn't seem like the right application for it.
Quick Tip: For those annoying tiny splinters like you get from scuffing against plywood edges or reaching into a bucket of drywall screws, or working with fiberglass(shudder). Stick a piece of Ice Shield over the spot (Hands only if ya value your hair) and pull away. Gotta Goop afterwards but it works on the little ones you can't grap and don't want to wait till they fall out on thier own.
Richard Max