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Archive | Ask the Expert

Ask the Expert: “Do the (fastener) guidelines in Tables 1A and 1B apply to the underlayment”

We had several “Ask the Expert” questions regarding underlayment fastening recently. Below are 2 questions from an attorney and responses from TRI President and Technical Director Rick Olson. Question #1 – “Do the guidelines in Tables 1A and 1B regarding “Attachment Type of Fasteners” that call for ¾ penetration apply to the underlayment?” Response – Table 1A

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