Block X740 CemenTech Extra

Brand: Bostik

Block X740 CemenTech C2 Extra is a cement-based, two-component, extra-flexible waterproofing mortar formulated with an acrylic dispersion for waterproofing applications. Suitable for positive-side waterproofing only, the system consists of a green powder component and a white liquid emulsion component.


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For interior and exterior applications
For positive-side waterproofing only
For horizontal and vertical applications
In wet areas such as toilets, bathrooms, and kitchens
In continuously damp, wet, and humid areas such as balconies, terraces, and storage rooms
In water reservoirs, swimming pools, water tanks, and cisterns
In facilities such as Turkish baths and thermal spas
On foundations and basement walls, as well as in underground and above-ground construction works
On bridges and retaining walls

Waterproofing Cement Technology

Suitable for application by brush or spray.
Extra flexible.
Provides waterproofing against pressurized water.
Resistant to severe weather conditions.
Provides high adhesion and bonds strongly to substrates.
High abrasion resistance.
Suitable for use in potable water tanks.
Provides crack-bridging capability up to 1.5 mm in accordance with TS EN 14891.