Inpregnations

In situations where water or moisture is infiltrating sections of building material, injection or surface application of a waterproofing impregnation is often the most effective method of repair. Impregnations are ultra-low viscosity and therefore able to absorb (or be forced under pressure) into porous stone, masonry, and concrete. The impregnation will fill even the smallest of spaces, and combine with existing particles to make the structure water-resistant.

Benefits of Impregnations

  • Can be applied as a preventative or remedial treatment.
  • If applied as a surface treatment the substrate will not be damaged in any way – colour fastness should always be tested prior to application.
  • Protects reinforcement steel and helps prevent the breaking of concrete.
  • Will effectively protect almost any type of porous building material.

 

Common applications for impregnations include:

  • As an injected damp proof course (DPC). Sealing of masonry at low level to prevent rising damp.
  • Sealing micro cracks and localised sections of honeycombed concrete - where the affected area is more extensive, Back Grouting may be a more effective and economical repair.
  • Sealing porous stone or concrete pavers on roofs, terraces, and balconies.
  • Impregnations can also be used to protect the steel in reinforced concrete against chemical attack and salty environments.

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