BRICKBAT COBA WATERPROOFING PDF

Waterproofing barrier system may be placed on the positive or negative side. Damp proofing is a treatment of a surface or structure to resit the passage of water in the absence of hydrostatic pressure. A damp proofing barrier system is used to perform the same functions as a waterproofing system but cannot be used to protect against water pressure. Water may be forced through building members by hydrostatic pressure, water vapour gradient, capillary action, wind-driven rain, or any combination of these. This movement is aggravated by porous concrete, cracks or structural defects, or joints that are improperly designed or installed.

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Fibermesh net Procedure The surface of the roof should be cleaned with a wire brush and wash with water. After cleaning the roof surface there should not exist any RCC slurry or mortar. It should be free from cracks, dust and oily substance which prevent the cement reaction with water. If having any cracks size 0. After cleaning the roof with water leave the roof for drying and then one coat of cement and tapecrete or cico admixture is applied on the roof.

After one coat of cement and tapecrete waterproofing compound, fiber mesh net is laid on the surface of the roof and then the 2nd coat of waterproofing compound is spread by any brush. So that fibermesh net sticks to the roof. Advertisement After sticking the fibermesh net, the next day make the cement sand mortar of , should be spread on the roof surface, must ensure that the thickness of mortar should not be more than 15 mm.

After laying of mortar brick should be laid on mortar, the space between each brick should be 15mm to 20mm. So that the mortar can fill well. The slope should be given 50mm from the beginning point to the end point Near Harvesting pipe. The slope could be given as mm high at the beginning point and 70mm down at near Harvesting pipe pit. Joint or bond of brick should be well grouted with cement sand mortar ratio of , ensure that not left any empty bond or joint where grout is not done.

It may cause leakage or seepage of water. After grouting of the whole area, plastering should be done by sand and cement ratio mortar, mixed tapecrete and cico in mortar as per the guide. The thickness of plastering should not be more than 15mm. And after finishing the surface x mm square should be made by any rope in an alignment.

Leave the finishing surface to dry one day and fill it with water the next day or put a gunny bag and curring for 7 days.

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What is brick bat coba? |Waterproofing|

It is a myth that waterproofing treatments can be carried out by application of single material Read More Besides, river mining causes imbalance in the river bed water flow, and Read More For an individual and his or her family, the home remains a highly Read More Its structural performance is realised only when concrete and steel act in unison during the service life of the structure.

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Brick Bat Coba Service

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