|Does Your Roof Measure Up?
Roofing membrane thickness is a key determinant to longevity, durability and weldability. Sika’s Thickness Guarantee program goes beyond industry standards and ensures that all Sarnafil® branded membranes meet or exceed labeled thickness. Under industry standards, roofing membranes can be manufactured up to 10% below advertised thickness, meaning that a 60 mil membrane could actually be only 54 mils!
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