Waterstop in PVC for dynamic construction joints resting on the bottom

Code: PRS.0176

Components: 1

Appearance: Extruded PVC

The SEALPVC SF 240 BULB waterstop is a waterproofing PVC profile that is not hydro-expansive, having a thickness of 24 centimetres and equipped with a central and highly elastic bulb. It is used in dynamic joints for horizontal casting (slabs), in concrete structures, resting on the substrate beneath the reinforcement, in a position central to the casting.

Linee di appartenenza

General characteristics




Unlimited shelf-life


Width: 240 mm



Available colours

- Light blu

Packaging and dimensions

- Roll 25 m


Given its particular composition, it can be cut with a sharp blade (cutter) and welded with simple heat welding tools, thus making it easier to create connections in the course of work.


1 m/m: Use SEALPVC SF 240 BULB welding the two edges of different belts head to head using a leister (manual hot air welder).

Use fields

Waterproofing of dinamic construction joints between: raft foundation and the elevation wall, between two raft foundations, between two elevation walls, between the wall and floor, resting on foundations under the shoring.

Use method

Bind with iron wire the side flaps of the waterstop to the steel plates provided, in order to position it and secure it in a central position with respect to the casting to be made. Proceed with the casting operations, ensuring it does not bend nor move from the seat identified.

Application methods

- Apply by hand

Permitted supports

- Concrete

Warnings, precautions and Ecology

Pay careful attention both to the positioning of the waterstop and to any welds. Incorrect positioning could indeed nullify the performance.

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