Water Expanding Rubber Waterstop Swelling Strip

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1000 Meter/Meters (Min. Order)
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Quick Details
Place of Origin:
Istanbul, Turkey
Brand Name:
Model Number:
Other Waterproofing Materials
10 Ton/Tons per Day
Packaging & Delivery
Packaging Details
It changes to thickness
Lead Time :
3-4 days


SWELLBAND is an active sodium bentonite/butyl rubber based waterstop designed to stop water infiltration through cast in place concrete construction joints by expanding upon contact with water to form a positive seal against the concrete. It also fills the cracks and pores on the concrete.

Fields of Application

  • SWELLBAND can be used on swimming pools, tunnels, subways, retaining walls, curtain walls,
  • Water tanks, sewage systems, water purification facilities,
  • Underground pipe and cable inlets,
  • Concrete joints, barrage, road and intersections of old and new concretes.

Features and Benefits

  • Easy to apply.
  • Easy application even with huge amount of rebar.
  • Connecting seams require only putting together side by side and pressing.
  • The swelling occurs in a controlled.
  • Does not swollen suddenly cast in concrete.
  • Safely used in water tanks.

Technical Data


Volume Change (DIN 53521)




Swelling Pressure

Shore A Hardness (DIN 53505)

Elongation at Break (DIN 53504)

HS Code

Sodium bentonite/butyl rubber based

>100% after 7 days in water

>150% after 14 days in water

>100% after 10 times dry/wet cycle

(1 cycle : 7 days dry and 7 days water)

>15 bar (after 7 days in water)






Application Procedure

Preparation of Substrate

The surface must be clean and dry. It must not be applied to wet, frozen, greasy or dusty surfaces, and under wet weather conditions. SWELLBAND should be protected from humidity and rain before the application.

Application Method

Roll out required amount of SWELLBAND. Firmly press the entire length of it onto concrete. In vertical and overhead applications, press for at least 15 seconds for perfect adherence. Place seams side by side or end to end; do not overlap. Make sure waterstop covers all parts of the surface, especially for surfaces which are not perfect in shape. Remove silicon paper and pour concrete carefully and indirectly. It is not suitable for the joints of precast building elements.


Depends on application areas.


5 mm x 20 mm - 15 m/box

7 mm x 20 mm - 15 m/box

10 mm x 20 mm - 10 m/box

15 mm x 20 mm - 5 m/box

20 mm x 25 mm - 5 m/box

Shelf Life

12 months in original, unopened package.


Store in dry area between +5°C and +35°C. Protect from heat, freezing and direct sunlight.