Buried rubber waterstop
It has the symmetry structure in positive and negative, left and right, can resistant to aging, corrosion. It is usually used in dams, reservoirs, subway, culverts.
PVC waterstop
It has good tensile strength, elongation capability, inherent elasticity. It is usually used in water and sewage treatment facility, foundation, basement.
Back stick rubber waterstop
It has a flat side and non-flat side with stem or bulb, can prevent water seepage and leakage. It is usually used in underground facilities, tunnel, culvert, aqueduct, dam.