OSI QUAD MAX, 9.5 Ounce, #004 Arctic White, Siding and Window Sealant, Interior or Exterior Use, Seals Around Windows, Doors and Siding, Adheres to Fiber Cement, Cedar, Brick, Stone, Coated Aluminum, Fiberglass, Vinyl, PVC, Stucco, Wood, Glass, Flashing Tapes and Cinar Coatings, No Need for a Primer, Perfect Color Match For Leading Siding & Window Manufacturers.