AIA Nano Course Quiz - Underlayment

How are most synthetic underlayments attached to the roof?
Mechanically with roofing caps
Mechanically with staples
Using caulk / sealant
None of the above
What is the average weight per roofing square (100 square feet) of synthetic underlayment?
20 to 22 pounds per roofing square
14 to 16 pounds per roofing square
8 to 10 pounds per roofing square
2 to 4 pounds per roofing square
Which of the following is false about asphalt felt/tar paper underlayment?
Felt underlayment shouldn't be exposed to sunlight for an extended period
Felt underlayment is more expensive than synthetic underlayment
Felt underlayment doesn't last as long as synthetic underlayment
Felt underlayment is water resistant
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