It is uniquely formulated to provide a permanent repair for cracks in a wide range of substrates without shiners
AU-1 is a premium
An extremely flexible patching product with outstanding adhesive properties
Provides a watertight
AU-1 Commercial Construction Sealant 10.1 oz - Case of 12 Color:Aluminum Gray It is uniquely formulated toAU 1 is a premium, highly elastic, and non sagging construction sealant designed for lasting performance across residential, commercial, and industrial applications. Ideal for expansion and control joints, concrete panel and tilt wall joints, precast units, EIFS, and sealing windows, doors, and siding. It bonds directly to concrete, masonry, stucco, glass, metal, building wraps, fascia, and flashing. With exceptional resistance to aging, AU 1 provides