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
  • 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: Product Selection

Determining if the galvalume roof is the gauge specified

Return to Product Selection

Return to Forum

We have a farm, and recently had several buildings re-roofed and a couple of new sheds put up by an Amish contractor. Because of my concern regarding snow load and wind, I had asked the contractor to put 26 gauge on the roof instead f the 28 gauge he uses for both roofs and sidewalls. When the project was finished, I noticed that the roofing metal seemed to be exactly the same thickness as the sidewall metal. The contractor admitted to making a mistake, and is re-roofing the structures. However, his men arrived this evening with metal that looks to me exactly the same thickness as what I already have. The workers showed me the bill of lading, which did say 16 gauge. How, exactly, can I tell what I have and what gauge the new material actually is? I am aware that the finish coating (both sides) increases the thickness of the material as does the galvalume coating itself. I put a micrometer on it and it measures 1/32 of an inch thick. The contractor's website advertises the Everlast II Traditional steel roof panels in 28 gauge steel as "28-gauge (.016) Structural Steel Grade 80 produced in conformance with ASTM792" and "True 28-gauge steel (before paint) with heavy-duty metallic coating is encased in abrasion-busting primer and Siliconized Modified Polyester topcoat to deliver enduring corrosion resistance and longer life. Wider blanks, deeper minor rib heights create a stronger, more durable panel."
Candace Benyei

8/30/2016
Share
Or copy this URL: https://www.metalroofing.com/spirit/comment/21505/find/
Even if the paint was removed, 0.03125" would be thicker than the industry norm for 24 gauge. I hope this helps. The gauge thickness normally stated / declared would include the galvalume or galvanized coating. (Most folks would work the numbers to include the paint finish as well.) Todd Miller
Todd Miller
Isaiah Industries, Inc.

8/31/2016
Share
Or copy this URL: https://www.metalroofing.com/spirit/comment/21506/find/

If you would like to reply to this thread, please log in. If you do not have an Ask the Experts forum user account, create one here.

  • 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