OSI H2U White Acrylic Urethane Door/Trim/Window Sealant 10 oz (Pack of 12)H2U is developed primarily for sealing around exterior window and door frames, sill plates, electrical and plumbing penetrations and other areas where water and air can inflitrate. Ideal for sealing gaps and cracks found on the interior of the home. Works well along baseboards, floors, wall to floor joints, around window and door frames, ceiling to wall joints and any other crack or gaps found in and around a home. Works well on vinyl, aluminum and