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Denso Densyl Mastic
Densyl Mastic is a cold applied self-supporting mastic. It is a petrolatum compound containing inert siliceous fillers and vegetable fibers and is protective, waterproof, non-setting...
Densyl Mastic is a cold applied self-supporting mastic. It is a petrolatum compound containing inert siliceous fillers and vegetable fibers and is protective, waterproof, non-setting mastic for sealing, filling and caulking. It is applied prior to the tape application and generally used in conjunction with primer, Denso Petrolatum Tapes or Denso Bituminous Tapes.