Exam 33: Roofing-I Low-Slope Roofs

Explain the differences between an inorganic (fiberglass)roofing felt and an organic roofing felt.

Which cover board is commonly used with single- ply, low- slope roofs and what is its thickness?

What is the difference between the terms felt and ply? List various asphalt- treated fiberglass roofing felts and briefly explain the differences between them.

Of the two single- ply roof membranes, EPDM and PVC, PVC is generally

A built- up roof membrane is generally finished with

Name the two commonly used methods of providing slope in low- slope roofs. Which method is preferable and why?

Describe the attachment method of various components (insulation, cover board and membrane)of a built- up roof (BUR)on a steel deck.