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Waterproofing Concrete … in Basements

Waterproofing challenges for concrete structures below grade.

Waterproofing Concrete … in Basements
13 January 2017 Posted in , ,

A basement may contain habitable space, although more commonly the basement area of a multi-storey structure is set aside for parking and utility rooms. This is in contrast to the foundation of the building, and differs in some respects from a structural service pit such as a lift well. The substructure will be in contact with the surrounding earth. There will be penetrations for ventilation and other services.

The great challenge is waterproofing.

Not only is it crucial to keep the usable space dry, it is also imperative to maintain the integrity of the structure itself.

Waterproofing structures below grade is a very broad subject. To focus on the concrete itself, the construction methods vary to some degree, and there are a variety of approaches to its protection from moisture. Initial membranous treatments or tanking may deteriorate with age, or become damaged as a result of inadequate flexibility. For optimum results, controlling concrete’s porosity will provide long-term protection for the structure.

Ideally concrete’s porosity should be permanently sealed …

… against moisture movement within the matrix. This provides a barrier against seepage which is not dependant on membranes or tanking.

For a thorough concrete waterproofing solution, Markham Global offers a multi-part treatment which will give long-term peace of mind. AQURON 300 waterproofing admixture is incorporated in the concrete mix, which permanently seals the porosity through the entire thickness of the concrete. This is valid whether the concrete is of precast or shotcrete construction. Then after placement, as curing commences, a further treatment of AQURON 2000 catalytic hydrogel is spray-applied to the surface. This provides high-quality curing and penetrating surface hardening. The combination of these treatments gives a long-term high-quality waterproofing result.

To complete the comprehensive approach, we offer Superswell waterstops for slab joints and penetrations.

Basement waterproofing with Markham hydrogel solutions

Basement waterproofing

If you are currently working on or planning a construction project which includes a basement area, the friendly team at Markham can help you design a full guaranteed waterproofing package!

Markham concrete waterproofing systems




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