Sika, Sikaflex 1A, One Part Polyurethane Caulk, Sealant / Adhesive, 10.3 Fl Oz, Color: Colonial White, Six Pack Designed for all types of joints where maximum depth of sealant will not exceed 1/2 in. Excellent for small joints and fillets, windows, door frames, reglets, flashing, common roofing, + Suitable for vertical and horizontal joints; readily placeable at 40F Has many applications as an elastic adhesive between materials with dissimilar coefficients of expan High elasticity -cures to a tough, durable, flexible consistency with great cut and tear-resistance.