Grace Ultra fully-adhered, smooth surface roofing underlayment is designed for extreme temperature roof assemblies. It delivers best in class water protection in applications where withstanding high in-service temperatures for extended periods of time is required. Grace Ultra roofing underlayment is a unique waterproofing solution that matches the long term durability of copper roofs.
- Heat resistance up to 300°F 100% butyl adhesive is ideal for use in elevated temperatures, for copper, zinc roofs, or any application where superior heat resistance is required
- Superior protection for expensive metal roofs: unique solution for protecting high end roof coverings
- Membrane bonds to the roof deck and forms high quality laps: helps ensure watertight seal and premium leak protection
- Compatible with roofing materials: provides watertight transition between low slope and steep slope roofs
- Protects roofs from wind driven rain and ice dams
- Aesthetically pleasing - the thin membrane meets code standards for fastener seal ability but will not show through roof coverings