For Professionals | Member Login
Find a Professional
  • About Us
    • Member Companies
    • Leadership
    • MRA News
    • Homeowner Testimonials
    • Contact the MRA
    • For Professionals
  • Why Metal Roofing?
    • Benefits and Performance of Metal Roofing
    • Compare Roofing Materials
  • Homeowner Resources
    • Metal Roofing Buyers Guide
    • Metal Resilient Guide
    • Metal Roof Sustainability Guide
    • Above All Else You Need a New Roof eBook
    • Today’s Homeowner Partnership
    • Metal Roofing Visualizer
    • MRA University
    • Member Provided Resources
    • Frequently Asked Questions
    • Inspirational Metal Roofing Projects
    • Upcoming Events
  • Gallery
  • Ask The Experts
    • Energy Efficiency
    • I Have An Existing Metal Roof and Have A Question
    • Installation
    • Is A Metal Roof Right For My House
    • Metal Roofing Benefits
    • Product Selection
    • Other
    • Archive
  • Find a Professional
For Professionals Member Login
Sign Up Log In Add New Topic

TOPIC: General Discussion

Metal roofing on shingled open-beam roof.

Return to General Discussion

Return to Archive

Return to Forum

This topic has been closed by the administrator. Comments are no longer accepted.
We have a cedar log home, open-beam, ceiling/roof is 2" cedar planks with vapor barrier, 2" solid insulation, asphalt shingles, 3/12 slope; house is L-shaped so 2 roof valleys; built in 1977. Temperatures range from -40F to 100F, lots of snow in winter, 15" rain and somewhat humid in summer. 1. Would a metal roof using ribbed sheets be appropriate? (The ability to shed snow easily on low-slope roof is an attractive feature). 2. To improve insulation and ventilation, one method being considered is to lay new 2x4 'rafters' (suitably fastened to the ceiling planks) on top of existing shingles, new plywood or OSB sheathing to hold it all together and metal roofing on top. House is not large, 30' x 40', so loading on roof should not be a problem. 3. Should an additional vapor barrier be installed under the roofing?
Guest User

6/3/2005
Share
Or copy this URL: https://www.metalroofing.com/spirit/comment/6011/find/
There should be a moisture barrier beneath the metal roofing. This would be an underlayment. There are many types of metal roofing which could work well on your home. I like the idea you listed as #2 in your question. It will ultimately help with energy efficiency and to ensure that the home does not someday have issues caused by lack of ventilation. Todd Miller
Todd Miller
Isaiah Industries, Inc.

6/4/2005
Share
Or copy this URL: https://www.metalroofing.com/spirit/comment/6012/find/
  • About Us
    • Member Companies
    • Leadership
    • MRA News
    • Homeowner Testimonials
    • Contact the MRA
    • For Professionals
    • Subscribe
  • Why Metal Roofing?
    • Benefits and Performance of Metal Roofing
    • Compare Roofing Materials
  • Homeowner Resources
    • Metal Roofing Buyers Guide
    • Metal Resilient Guide
    • Metal Roof Sustainability Guide
    • Above All Else You Need a New Roof eBook
    • Today’s Homeowner Partnership
    • Metal Roofing Visualizer
    • MRA University
    • Member Provided Resources
    • Frequently Asked Questions
    • Inspirational Metal Roofing Projects
  • Gallery
  • Ask The Experts
    • Energy Efficiency
    • I Have An Existing Metal Roof and Have A Question
    • Metal Roofing Benefits
    • Product Selection
    • Other
    • Archive
©2018 Metal Roofing Alliance. All Rights Reserved. Privacy Policy Terms and Conditions