Roofing Underlayments Documents

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Exposure Guidelines

Fastener Sealability

In-Place Performance Temperatures

Insulation and Ventilation to Limit Ice Dam Formation

Rigid Roof Insulation Boards and Grace Underlayments

Roof Eave Application

Slope Requirements

Use Over Fluted Metal Decks

Use Over Georgia-Pacific DensDeck® and DensDeck® Prime

Use Under Architectural Metal Roofing

Use as an Air and Vapor Barrier

Use on Oriented Strand Board (OSB) Roof Sheathing