Sealant tapes are designed to provide an environmental Sealant Tapebarrier while joining materials exposed to environmental stresses. Typical characteristics include self-adhesion, easy application, high tack, water tight seals, tear proof, and UV resistance.

3M™ offers an extruded synthetic rubber, non-curing sealant tape. Sika MulitSeal offers an aluminum foil sealant tape that is reinforced by a polyester film and coated with a cold-adhesive, bituminous compound.