Up to 30 day UV exposure 25 mils thick The Grace Select is a self-adhered underlayment that is thin and light weight, making it easier to apply. It offers premium protection against severe climatic conditions such as wind, rain and the build up of ice dams and is recommended to be used under most roofing materials and in a range of slopes including the very lowest and highest slope designs. Grace Select has a quick foldless release paper, will not crack or dry out and is slip-resistant. This underlayment also has a rubberized asphalt layer that seals around roofing nails, allowing for a tight seal and added protection from the environmental changes.
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