RI Roofing Contractor Practice Questions - Rhode Island Commercial Roofing Contractor Exam

What is the correct method for seaming two overlapping sheets of TPO membrane?

Solvent welding with TPO solvent cement Hot-air welding with an automatic or hand-held welder Cold adhesive application between the sheets Mechanical fastening with screws and plates at the overlap

Correct Answer:

Hot-air welding with an automatic or hand-held welder

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