As part of the TYPAR Weather Protection System, Flashing AT will provide protection against moisture penetration at the window, doors and thru-wall entry points. Count on maximum adhesion to OSB, plywood, aluminum, vinyl and the weather resistive barrier - even in extreme temperature conditions. Suitable for installation in temperatures as low as 0°F, TYPAR Flashing AT is stable up to 180 Degree F and capable of adhering to wet surfaces.