subybaja
E. Spengler
Different kinds of metal, too.Because a ton of manufacturers recommend it that way?
We already covered this, seems like...everyone has an opinion.
The correct answer is- don't put screws in your roof.
How To: Install Metal Roofing Fasteners
Metal roofing installation begins with using the right equipment, starting with screws to anchor your panels or shingles to the structure.
www.metalroofingsource.com