Expansion joint strip, has sandwich-type construction formed of two outer channels made of butlyl-elastomer and intermediate channel made of ethyl-propylene-diene-rubber, where strip is made of elastic material

摘要

The strip (1) has a sandwich-type construction formed of two outer channels (2, 4) made of butlyl-elastomer and an intermediate channel (3) made of ethyl-propylene-diene-rubber, where the strip is made of elastic material. An expansion zone made of fabric, scrim and non-woven is incorporated between flange portions. The fabric, scrim and non-woven consist of glass fibers or copolymers.