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Brief Overview of Pointing in Brickwork Construction

 

 

Pointing in construction is done once the mortar joints are completed in masonry (stone or brick). In uncovered masonry, joints become feeblest and most unsafe spots which may cause leakage with water and moistness. In Pointing the joints are applied to a depth of 10 to 20mm and stuffed with superior quality mortar in preferred shape.

 

The following mortar mixes can provide excellent results in pointing.

 

1. Lime mortar of 1:2 ( 1 fat lime : 2 sand or surkhi)
2. Cement mortar of 1 : 3 ( 1 cement : 3 sand)

 

Planning for surface: All the joints in masonry are sloped down to a depth of 20mm whereas the mortar is still soft. The joints and surface are washed and then exhaustively moistened.

 

Procedures for pointing: After making the surface ready as above, mortar is cautiously set in joints through a small trowel in preferred shape. When the fresh mortar is set in the joints, it is pushed hardly to obtain strong bond with old interior mortar.

One must be careful for applying ashlar or 1st class brick work else the mortar fails to wrap the face edges. The pointed surface is drenched for merely a week or till it fits after application.

Types of pointing:
Flush pointing, Recessed pointing, Beaded Pointing, Struck Pointing, Rubbed, keyed or grooved pointing, Tuck Pointing, V- pointing and Weathered pointing.

To get the complete article, visit theconstructor.org

 

Brief Overview of Pointing in Brickwork Construction
Image Courtesy: empireconstructionny.com

 

 

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