In the recent issue of Fine Homebuilding, the Zip System wall panels are reviewed. Has anyone out there used the Zip roof panels? I would be using them on a 12/12 pitch. Any input greatly appreciated. Dweezil
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Greetings dweezil,
This post, in response to your question, will bump the thread through the 'recent discussion' listing again which will increase it's viewing.
Perhaps it will catch someone's attention that can help you with advice.
Cheers
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Dweezil,
I haven't personally installed them, but I've been spec'ing them and our guys have been installing them. Everyone has good things to say so far, and this is a fairly conservative group when it comes to trying new things.
I'm in the group of still liking a back-up waterproof layer though. Tarpaper or Roofguard is cheap. We have a lot of ice dams here so Grace is cheap insurance too. Mostly the Zip roof is nice because once you're framed, the inside can start to dry out--no need to wait for trim and the roofer.
Mike,
Then you guys prep the zip panel roof just as you would a plywood deck ?
Using Grace and synthetic felt ?
The tape is just a temp dry in ?
Walter
Walter, we've only done a few jobs with Zip, and I just don't like relying on sticky stuff to keep water out for the next hundred years. Zip is very close in cost to CDX, and we save time not having to run tarpaper battened down with strapping while we wait for the roofer (which lately has been us). So yes, we do it just like a plywood deck at this point.
The lumberyard salesmen and some of the carpenters think we're being overly cautious. What have you seen? I don't recall any of your threads showing the pretty maroon panels--they would have looked good with your pink hat!
Mike,
I have the same feelings as you do - why risk an expensive call back by not prepping the roof the correct way.
I seldom get on new work Benson frame being an exception - so I haven't used it myself , but seen it from the road on a few hoyses being built here.
Almost time to make the change to a billed cap for the upcoming season.
Walter
Hopefully going to get the Penobscot thread back into the current from those eddies we've been in all weekend.
Walter
Hey Guys, thanks for your input. Since I am using a propanel metal roof on a 12/12 pitch I thought it might be OK, but I can understand playing it safe, too. I'll contact the manufacturer (hopefully not a salesman)for some specs.Cheers, Dweezil
There is a new fangled invention out there, it is called the internet. Google is your friend, I bet they can answer all the questions there!!!
Google is your friend,
Where do I find this Google feller?http://www.quittintime.com/ View Image
daaahhhhh, idon't know about where you live but look on yer computor!
I don't think you're being overly cautious, I think you're being smart. I would use the Zip roof panels, tape them, then felt and roof as usual. Consider the Zip a second line of defense. Plus, it's not going to delam or edge-swell waiting for the roof to go on. The four-ply 5/8" CDX we get here starts to act funky if you leave it outside for more than 5 minutes.
Your CDX waits until it's outside to act funky? You're lucky, ours comes that way ;-)
Thanks for reinforcing my intentions. This was our first attempt with Zip system. We're 'dried in' and I know without permanent roof it is never 100% dry, but after rain last week there was more water in the house than I would expect using Zip. Don't want to assume Zip, even if 100% properly installed ( does anything meet 100% standard?) will keep me from call backs for leaks. My worry was that there might be some interaction between Zip surface and felt that would cause problems at some point. If that's not a worry, I'd rather double down and use both. If I had known ahead I would have concerns about Zip alone, would have avoided it and gone with TechShield with felt, but right now all I'm concerned about is avoiding any future trouble with what I've got. Sure glad it rained and made me rethink my next step.
Where was the water coming in? Was this a standard rain, or a high wind sideways rain?I would think that if you have 2 layers of a roof system on, you should NOT be getting any water in at all. Something is not right.
Tu stultus esRebuilding my home in Cypress, CAAlso a CRX fanatic!
Look, just send me to my drawer. This whole talking-to-you thing is like double punishment.
I agree with the others. Maybe the tape is the best thing since sliced bread, but I just like having real WRB that I can lap shingle style.
Any flashing or penetrations in the zip system relied 100% on the tapes ability to adhere. Who knows what it will be doing in 40 years?
Jon Blakemore
RappahannockINC.com Fredericksburg, VA