Pointing is the art of fulfillment the issue joints inside the revealed block work with an acceptable concrete or lime mortar, to shield the joints from atmosphere impacts, to redesign the presence of building structure. The joints on the pith of any stone work are commonly filled, however the divider is being raised.
Pointing is done with the going with mortar mixes:
- Lime mortar 1: 2 mix (1 lime: 2 sand)
- Concrete mortar 1: 3 mix (1 concrete: 3 sand)
- Method for Pointing
All the mortar joints in the block work are raked out to a significance of 10-15mm with the help of pointings apparatus. Buildup and free mortar are totally cleaned. The joints and the surface are washed with clean water and spared wet for now and again.
The mortar is taken in a little dish and the old mortar is crushed into the joints and stacked up with little trowels to arrive at the joints. Joints are discarded flushed, sunk, or raised depending upon necessities, removing excess mortar. The finished work is reestablished for 3-4 days in occasions of lime mortar and for 10 days when concrete mortar is used.
Sorts of Pointing
Pointing is portrayed by wrapping up. The sort of pointings is decision subject to such a block work, the possibility of the structure and the ideal effect of finish.
This sort of pointings gives a for the most part magnificent appearance anyway is difficult to keep up. The raked joints are stacked up with a mortar and finished flush with the quintessence of the property after which are beaded by a steel avenue with a depressed edge in the joints.
In any pointings, joints are raked and they are done flush with the substance of the square workmanship. The sides are precisely cut. It is the most easy sort of pointings, which is extensively used in block work. This pointing doesn't give an extraordinary look, anyway it is extremely solid and it doesn't engage dust, earth to hold up over it.
In such a pointings, the mortar is kept vertical anyway inside the outside of the divider with the help of sensible equipment. Such a pointings is sensible to withstand made by squares of better surface and better quality mortar.
Scoured or furrowed pointings
In such a pointings, the raked joints are finished off flush with face or the groan and bow indents are surrounded by an unprecedented device. This sort of pointings is normally used, it improves the presence of the cry.
In this sort, the mortar is crushed into the joints and finished flush with the embodiment of the divider. Right when the mortar is so far wet, a rectangular sorrow is surrounded on the focal point of the joints.
The score is stacked up with white lime dirt and an unassuming amount of silver sand, envisioning fairly outside the finished surface of the mortar demonstrating it. Such a pointings gives an appealing appearance yet the filet part isn't really solid.
In this sort of pointings either 'Precise' grooves are engraved in the finished surface of the pointing mortar when it is so far green or by foreseeing the 'Rakish' condition of the pointing face outside the divider surface.
Suffered or struck pointings
In this sort, the substance of pointings isn't kept vertical yet it is kept inclined. The upper edge of the pointing mortar is crushed inside the block work by around 10 mm and the lower edge is done level with the substance of the stone work. These sorts of pointings are generally used for brickwork particularly for finishing level joints.
- Stars of Pointing
- Improves the overall look of the structure.
- Lessens the necessity for other fix or reclamation work.
- Shields the dividers of the structure from hostile atmosphere.
- Improves the essential nature of the structure.
- Cons of Pointing
In winter, the soaked brickwork freezes, ruining and spalling squares or stones begin to appear.
Guiding is responsible for the awful damage toward various dividers all through the nation.
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