For preventing intrusion of moisture and air. Weather barriers form a continuous layer of protection to keep building components free of deterioration and mold. Proper sheathing with weatherproof-taped seams keeps out air, and house wrap repels moisture. Liquid and spray applied barriers provide monolithic protection across the entire exterior surface. Specialized wraps, foams, and flashing direct moisture away from the structure to protect vulnerable entry points like windows, doors, roofs, and foundations.
