Designed for coastal zones or other areas with severe weather, NapaWrap Coastal housewrap shields against moisture while allowing water vapor to escape; its tear resistance allows it to stand up to high winds. According to the company, the product has twice as much UV protection as competing wraps and can remain uncovered for up to a year. As part of a tear-free guarantee, the manufacturer offers free replacement of the housewrap if it tears under the firms definition of normal use. 888.437.3423.