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.
Volume Change (DIN 53521)
Shore A Hardness (DIN 53505)
Elongation at Break (DIN 53504)
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)
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.
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
12 months in original, unopened package.
Store in dry area between +5°C and +35°C. Protect from heat, freezing and direct sunlight.