Zialoc Silicone Boot or Zialoc Silicone Strip, is a customizable sheet rubber that is used in curtain wall and window wall systems. This product is perfect for internal applications and acts as a barrier against air and water infiltration. This product was introduced by TBP Converting as an efficient way to span gaps between curtain wall openings and their adjacent air and vapor barrier systems. The product quickly found uses in many other scenarios such as test walls, curtain wall splices and general transition gaps.