LN-PS201 is a one-component, medium-modulus polyurethane sealant that cures on exposure to atmospheric humidity. It possesses excellent adhesion to all typical construction materials such as cement based materials, brick, ceramic, glass, wood, galvanized and painted sheet iron and various plastics. INSTRUCTIONS l Before application, be sure that joint surfaces are clean, dry and free of all contamination, l Apply sealant evenly, If necessary, use masking tape and remove the tape while the sealant is still soft, l Joint width/depth ratio should be 2:1 (Table 1), l If necessary, use back up material to adjust joint depth, l Sealants should adhere to only two surfaces of the joint: Use backer rods and bond breakers to facilitate. STORAGE AND SHELF LIFE; l 12 months if stored in its original package, away from direct sunlight and moisture, between +10 �C and +25 �C