While you can't control the weather, you can control the quality of your builds and greatly reduce the number of times you get called back to a job to handle repairs from water damage. Georgia-Pacific, the leader in building products, brings you ForceField Weather Barrier System, the all-in-1 smarter Sheathing system for walls and roofs that delivers a superior level of protection against air and water intrusion. ForceField engineered wood sheathing panels with a water-resistive overlay and accessories create a continuous WRB/AB system that gives you confidence in a job done right. A highly versatile joint and window flashing treatment that can be used on walls or roofs as a part of the ForceField Weather Barrier System.