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Novojunta Pro® WP80 is a watertight system of profiles to be installed in expansion joints up to 80 mm width. The lower profiles are made of steel while the upper ones are made of AISI 304 stainless steel (AISI 316 in option).

These profiles are joined with an insert of high quality synthetic rubber. Between the upper and lower profiles there is a thermoplastic membrane that is to be welded to the waterproofing existing system, achieving so a completely watertight installation.

This model supports heavy traffic loads and it is ideal for places where watertighness is required, like parkings The synthetic rubber resists weathering, thermal changes and moisture and can be replaced without changing the thermoplastic membrane.

Available in black color.

Technical data


  • Vertical: 30 mm (+/- 15 mm) / 1 3/16" (+/- 19/32")
  • Horizontal: 60 mm (+/- 30 mm) / 2 3/8" (+/- 1 3/16")


Code Material a b c h
NJPWP80AL54N Stainless steel + EPDM + WOLFIN membrane 80 mm. (3 5/32") 135 mm. (5 5/16") 274 mm. (10 13/16") 54 mm. (2 1/8")
NJPW80AL64N 64 mm. (2 9/16"
NJPW80AL94N 94 mm. (3 11/16")
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