Perkins Roofing · YouTube Short
40 mils vs 60 mils: which underlayment is stronger?
Thicker underlayment is not automatically stronger. Comparing 40-mil and 60-mil products, Perkins explains why tear resistance, ease of installation and footing on a steep roof matter as much as the number on the spec sheet.
The player uses YouTube's privacy-enhanced mode (youtube-nocookie.com). YouTube receives your IP address when this page opens; privacy-enhanced mode is designed not to store viewing data until you press play. Privacy details.
A short educational video, not an inspection or a recommendation for your property.