Tri-Flex underlayment

Grace Tri-Flex is a high-performance synthetic roofing underlayment known for its durability. One roll provides the same coverage as five rolls of traditional asphalt roofing felt. It has excellent tear resistance and is designed to withstand even the strongest wind conditions.  Tri-Flex does not crack, dry or rot, it can also be used as a temporary roof covering for up to six months.

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