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Dear Experts.
I am in need of a new roof and I am leaning toward metal roofing. But I have several questions.
My home is a 20 year gambrel style old log home with original 3/1 asphault shingles and is located where "high wind" is definitely an issue. My home has cathedral ceilings throughout the whole house. The roof structure consists of shingles over 3/4" plywood, over 4" blue foam insulation over 2" thick horizontal pine ship lap boards. The pine boards are exposed as ceiling and continue outside the log walls as facias.
I am considering installing metal shakes over the existing shingles, but I am concerned of ventilation since the only ventilation is the seams in the shiplap boards.
Would I have condensation problems?
The log walls on the gambrel ends have sagged. If I install the metal roof, I am planning on using 2x4s to level this out. Is this a good plan?
Noise. Should I stall rigid foam insulation over the exsting shingles?
Also, I am planning on building a porch to be incorporate with the new roof, but the pitch might be very low - 1 to 5. If I increase the pitch, I may degregate the look of the house. But the pitch may be took low.
Any recommendations would be certainly welcome.
Thanks for your time.
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Steve, this is a pretty complex question with many variables. However, I share your concern for possible condensation.
Give me a call at my office at 1-800-543-8938 and we can discuss this in more detail.
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Do yourself a favor and use asphalt. There is a guy in Nebraska that used really great looking metal shake shingles on a very nice house. Wind-driven snow gets under the shingles and then you-know-what. I had a metal roof put on last year and got a bad installation. Murdock Construction, Pevely, MO. Don't use them. So far I haven't had a hard snow but I don't think that will be a problem with the type of shingle that we put on. Proper installation is the only key to success. Do yourself another favor - don't use Owens Corning shingles. Their shingles on my new 6 year old house failed and they wouldn't stand behind them.
1/2/2004
Or copy this URL: https://www.metalroofing.com/spirit/comment/2568/find/Isaiah Industries, Inc.
1/7/2004
Or copy this URL: https://www.metalroofing.com/spirit/comment/2569/find/1/21/2004
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