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RIW Structureseal

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Quick Overview

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RIW Structureseal

RIW Structureseal - 1.100 x 5mtr roll

Discounts for larger quantities!

We provide competitive discounts for bulk orders.

Please contact us by either email at [email protected] or call 01268 571571 and we will calculate your unique discount for larger quantities.


A highly effective waterproofing composite, of high strength green coloured geotextile, and sodium bentonite.

The high swelling sodium bentonite is encapsulated between a non - woven and woven geotextile. A ‘needle-punch’ process, interlocks the geotextiles together forming an extremely strong composite that maintains the equal coverage of bentonite, as well as, protecting it from inclement weather and construction related damage.

When wetted, unconfined bentonite can swell up to 15 times its dry volume. When confined under pressure the swell is controlled, forming a dense, monolithic, impervious waterproofing membrane. The swelling action of RIW Structureseal can self-seal small concrete cracks caused by ground settlement, concrete shrinkage, etc. RIW Structureseal forms a strong mechanical bond to concrete, when the geotextile fibres are encapsulated into the surface, of insitu concrete.

Typical Uses

RIW Structureseal is designed for below ground vertical and horizontal structural foundation surfaces. Typical applications, include backfilled concrete walls, structural slabs and boundary line construction.

When designing Type A structures (as classified in BS 8102:1990), the system installed correctly is capable of providing the levels of protection required for Grades 1, 2, 3 & 4 basements.

Boundary line construction applications, include secant and contiguous piling, skin wall, metal sheet piling, sprayed concrete finishes and stabilized earth retention walls. Applications may include structures under continuous or intermittent hydrostatic pressure.

More details
RIW Structureseal is not recommended to waterproof masonry construction, and must never remain permanently exposed.

Subject to normal conditions of use RIW Structureseal will provide an effective barrier to the transmission of liquid water and water vapour for the life of the structure.

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