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-   -   Metal over fiberglass shingles - steep slope (http://www.diychatroom.com/f9/metal-over-fiberglass-shingles-steep-slope-26680/)

napper 09-11-2008 06:22 PM

Metal over fiberglass shingles - steep slope
 
I am considering placing a metal roof over an existing fiberglass shingle roof. It is a 20/12 pitch. (true A frame house)

Would I need to remove the existing roof? This process could be a real pain on a 20/12 slope.

rustyjames 09-11-2008 08:28 PM

Quote:

Originally Posted by napper (Post 157269)
I am considering placing a metal roof over an existing fiberglass shingle roof. It is a 20/12 pitch. (true A frame house)

Would I need to remove the existing roof? This process could be a real pain on a 20/12 slope.

Metal roofing is often applied over shingles but that also depends on what system or manufacturer. Check out the "ask the experts" foum at metalroof.com they're very helpful.

rustyjames 09-11-2008 08:32 PM

http://www.metalroofing.com/

OldNBroken 09-11-2008 10:22 PM

Quote:

Originally Posted by napper (Post 157269)
I am considering placing a metal roof over an existing fiberglass shingle roof. It is a 20/12 pitch. (true A frame house)

Would I need to remove the existing roof? This process could be a real pain on a 20/12 slope.

Pain? Gravity is your friend:whistling2::whistling2:

Always better to start with a clean slate, especially when it comes to metal. If you can, do.

Ed the Roofer 09-12-2008 10:20 AM

You may not "Need" to do a tear-off, but if you want it to last and not have the fasteners back out from a toggling effect, then you should do a tear-off and inspect and repair the decking if necessary.

Ed


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