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install over spaced sheathing? Ask The Experts Forum Metal

The other contractor, who uses a supplier that is a member of Metal Roofing Alliance, insists that a solid sheeting is not required and they can install directly on top of my existing spaced sheathing. Their warranty will cover this type of instillation. Please see the attached picture of the underside of the roof as it currently is.

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decking required under metal roof? Ask The Experts Forum Metal

I am currently building a new house and plan on using metal roofing. What are the pros and cons of installing the metal roof without using decking and felt. Will it cause a condensation problem? What is the best way to do it to preclude future problems--decking and felt or slats on top of the rafters? Thanks Roy Chandler.

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Sheathing under metal roof GreenBuildingAdvisor.com

And if you look closely (I will lend you a ladder); you will find that the condensation is not on the top of the roof, it is running down the underside. Where there are horizontal purlins, you will find bulk water pooling as the condensation drips onto the deck. Where there is a flush connection between deck and

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Roof Sheathing - Forum - Bob Vila

Jul 5, 2004 And while it is probably best to remove the old sheathing before installing the new That does not really address the question of adding new plywood over old. As long as your building code permits its and it does not add too much weight to the existing roof rafter system, there is no reason I can think of that

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Roof Sheating: 1/2" or 5/8"? Fine Homebuilding Breaktime

Roof is 12:12 pitch, and will have either 40 year architectural shingles or 26ga steel roofing over one layer of 30# felt. We did the best we could. . I don't own the latest codes , but this was all listed out in the span tables for roof and floor sheathing when I was doing strictly residential and had the then

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Timber Frame roof sheathing in Timber Framing/Log construction

The inside of the roof sheathing will be visible from below so we were going to use 1x6 T+G boards running vertically, perpendicular to the purlins. We were going to put 3/4 4x8 sheets of ply on top of the T+G with cedar shingles for the roofing. Is the T+G with 3/4 ply on top, a finished thickness of 1 1/2",

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3/8" plywood roof sheathing - InterNACHI Inspection Forum

I'd never seen a home with anything less than 1/2' roof sheathing until the other day when I found one with 3/8' plywood. It had what I call.

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Roof deck lumber - quality question - CatAdjuster.org - An

Good afternoon, Help, the roofers are here as we speak!!! In roofing best practices, what quality/grade of pine lumber should be used.

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Roof Sheathing on Re-roof Project Structural-Int'l Bldg and Resid'l

Forum Posts: 33. Member Since: December 31, 1969. Offline. Go to Top. Print Post Post #1. Though you're probably already done I'll chime in anyway. "We are going from wood shake roof to Presidential TL asphalt shingle. Old roof was installed over 1x3 skip sheathing and 24" OC rafters. Contractor is

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