src: www.nachi.org
A parge coat is a thin coat of a cementitious or polymeric mortar applied to concrete or masonry for refinement of the surface.
Parging (or pargeting) is usually applied with a trowel and pressed into the existing surface. The intent is to create a contiguous surface by filling surface air voids and bugholes (eliminating bughole-induced outgassing), to level a surface with extreme rugosity, or to prep a surface for topcoating with a high-performance protective coating.
Parging is a low-cost alternative to repointing, providing structural cohesiveness to masonry walls whose mortar has begun to fail. Parge coating can also be used to create air tightness for apartments.
Video Parge coat
See also
- Damp proofing
- Pargeting
Source of article : Wikipedia
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