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Utilize Fastening Systems to Deal with Roof Leaking Problems

Screw down metal roofing is becoming very common in recent days. It’s commonly put over old roofs. In new construction they usually put sheathing on the roof first. Some installers put purlins on top of the sheathing (or old roof) and some don’t.

Generally, tightness can make some difference. Not much. Listen to the roof installed with exposed fasteners. You can hear it shifting as the metal…