Water-Swelling Waterstop Strip Series

Formed and putty-type water-swelling strips for construction joints, post-cast strips and pipe penetrations.

Swelling strip selection
Item	Formed (PZ)	Putty (PN)
Form	Elastic strip, needs groove	Self-adhesive putty, press-fit
Pressure resistance	Stronger	Weaker
Typical use	Demanding construction joints	Above water table, secondary joints
Installation speed	Slower	Fastest

Products in this series

Formed water-swelling waterstop strip is made from rubber and superabsorbent resin; it expands o…

Putty-type water-swelling strip is a grey-black self-adhesive strip that can be pressed directly…