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PVC Waterstop

Extruded PVC waterstop profile cast into concrete for permanent construction and expansion joint sealing.

Cast-InHigh PressureSite-WeldedPermanent
WIDTH150–320 mm
PROFILECentre-bulb / Flat
APPLICATIONCast-in
SHELF LIFE60 months
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↓ Download Datasheet (PDF)

Overview

Cast in once. Seals forever.

PVC Waterstop is an extruded plasticized PVC waterstop profile cast into the concrete during pour to permanently seal construction and expansion joints. Available in centre-bulb (for expansion joints) and flat-section (for construction joints) profiles, in widths from 150 mm to 320 mm depending on hydrostatic pressure and joint movement.

The traditional gold-standard waterstop for water-retaining structures, dams, and major below-grade infrastructure.

Key Features

  • Extruded PVC profile – cast directly into concrete
  • Centre-bulb design accommodates joint movement
  • Heat-welded splices for continuous installation
  • High hydrostatic pressure resistance
  • 100% inert – no swelling, no chemical reaction
  • 60-year design service life

Technical Specs

Technical Specifications

All values measured at 23°C unless noted. Full test data available in the datasheet.

PropertyValueUnit
FormExtruded plasticized PVC profile–
ColourYellow / Blue / Black–
Width options150 / 200 / 250 / 320mm
Thickness8–12mm
Profile typesCentre-bulb / Flat / Dumbbell–
Density1.30 ± 0.05g/cm³
Tensile strength≥ 12MPa
Elongation at break≥ 280%
Shore A hardness75 ± 5–
Hydrostatic resistanceUp to 10bar
Service temperature−25 to +60°C
SplicingHot-knife welding on site–
Roll length25m
StandardsBS 2782 · ASTM D2240 · DIN 18541–

Applications

Where this product is used

Five typical site applications where our crews specify this product.

💧

Water-retaining structures

Reservoirs, water treatment tanks, and pumping stations.

🌉

Dams & spillways

Construction joint waterproofing in hydraulic structures.

🏊

Swimming pools

Cast-in-situ pool shell construction joints.

🚇

Tunnel structures

Cut-and-cover tunnel construction and expansion joints.

🛣️

Bridge structures

Bridge deck expansion joint sealing.

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