Holes made for pipes finished with water proofing coba. Sep 04, 2015 brick bat coba bbc is believed to be a waterproofing and insulation solutions in buildings. Description 1 surface preparation cleaning the existing the rcc surface area with wire brushing and washing the same. Shahabad box type treatment method of waterproofing is very commonly used in india. The resistance to penetration of water in its tarfelt, brick bat coba and advanced. Waterproofing plaster in the case of retaining walls should be done for all external surfaces. Actually the rc roof will then function more like false ceiling perhaps we will design it with lesser dead loads access not provided and no lime terracing or brick bat coba. This procedure is applicable to all water proofing treatment done in sunk portion, planter and toilet blocks areas as shown on drawing. Mortar mixed with cement and water proofing compound. Faqs on brick bat coba waterproofing what is coba brick waterproofing. Both these requirements are effectively full fill by brick bat coba treatment, the details of which are being below.
Waterproofing can be categorized under traditional timber or concrete. Basement waterproofing dwg detail for autocad designs cad. This method of test covers the procedure for determining the permeability to water of the cement sand mortar specimen, prepared with and without the addition of. Quarts sand mixed together to form a dough like consistency. Drawing labels, details, and other text information extracted from the cad file. Neither is it, by any stretch of the imagination, a thermal insulation product. Why is brickbat coba bbc not the correct method for terrace waterproofing. Nobody can rightly call it a waterproofing material because it is porous and allows the entry of water into it very easily, serving as a reservoir. Jan 18, 2018 slabs are constructed either by rcc or rc needs insulation for thermal comfort and waterproofing treatment to prevent leakage of water. Introduce yourself to community by making new post here. Read about company and get contact details and address. Making the structure waterproof or waterresistant so that it remains relatively unaffected by water or resisting the ingress of water.
The brick bat coba is used particularly for waterproofing of flat roofs, primarily rcc with some thermal insulation mud phuska in the coastal region. Rcc slabs sometimes develop cracks, which allows for a passage of rainwater. Material cost should include all taxes, such as sales, octroi, excise etc. Of course if this is done all over, the water proofing contractors will curse the architects and engineers for the change. Review of conventional waterproofing systems brick bat coba system. All exterior masonary surfaces susceptible to water ingress. Due to lack of awareness of available waterproofing chemicals, bbc and other traditional methods like mud fuska or lime terracing are still being used to protect terrace from water.
It consists of putting brick bats on roofs, to give a slope and then grouting the same with mortar admixed with various proprietary chemicals most in the nature of waterproofing compounds. It can also be applied on existing ips, sound brick bat coba or cementatious waterproofing. For this, mark a square of 5 cm x 5 cm, for every 200 sq. How to calculate number of bricks, cement and sand for. Silt content test ensure you have all the civil tools required for the construction. In the manual method, the soil shall be pulverised by means of crowbars, pick axes. Discuss all related to construction quality management, quality control, quality assurance, checklist, formats, standard operating procedures etc at here. Until now, waterproofing has been done with typical systems, like brickbat coba, lime terracing and the mud fuska.
The conventional systems would include box type waterproofing with impervious stone slabs like kota stones red agra stone etc. This work procedure narrates the guidelines to be adopted for water proofing in sunk portion, planter and toilet blocks under civil4m office project 2. Brickbat coba waterproofing is an effective way of providing waterproofing and insulation for thermal comfort for flat rcc roofs. May 12, 2009 traditional methods of waterproofing are just that traditional. Perfect waterproofing and coating services offering brick bat coba waterproofing service, brick bat coba waterproofing, brick bat coba treatment. Fixit torchshield, two products that offer comprehensive waterproofing solutions. Slabs are constructed either by rcc or rc needs insulation for thermal comfort and waterproofing treatment to prevent leakage of water. The recommended areas of application for smartcare damp proof are. Roof waterproofing by brick bat coba civil engineering. Waterproofing compound b1 general this method of test covers the procedure for determining the permeability to water of the cement sand mortar specimen, prepared with and without the addition of the waterpro. Why brick bat coba not the correct method for terrace.
Water proofing with brick bat coba by exposing the rcc slab to its bare surface clearing the surface of all lose particles and dust, carting away of debris and spreading neat cement slurry mixed with waterproofing compound on the cleaned surface, filling up the uneven surface, honey combing etc. Methodology for brick bat coba water drain out system. What are the types of waterproofing methods in construction. Concrete should be made watertight in itself and the waterproofing method should be looked upon. Get answers to all your questions related to civil engineering by posting your question in this section. The application of a layer of impervious material which prevents water from penetrating. Brickbat coba, china mosaic, lime terracing or the mud. The bricks used in the system are porous and when water enters, these bricks readily absorb and. Brick bat coba waterproofing with procedure the constructor. The coba is finally covered with the waterproof plaster finished smooth trowel in cement colour false square lines 1 0 on the top.
Strong advise not to depend on brick bat coba roof to be waterproof. Remedial measured by provided to all structural cracks. Also, look for colour variation in the mortar joints to identify problem areas. Coba brick waterproofing is the oldest method, the procedure of which involves laying brickbats on the flat concrete roof and grouting the same with waterproofing compound with a slope to drain the surface water. Waterproofing building waterproofing is a process which is. Waterproofing techniques in construction waterproofing. But unfortunately, brick bat coba cannot provide solution for any of it. Fuska technique are still very much in vogue in different parts of the country. Methodology for brick bat coba water drain out system sr.
Brick bat coba for terrace water proofing brick bat coba for. Roof waterproofing by brick bat coba civil engineering portal. Fixit newcoat, it should be checked for its adhesion to the substrate. Surface as required for treating roofs, balconies, terraces etc with brick bat coba. It is therefore important to develop waterproof roof slabs, which can provide leakproof environment to the interiors of the building. Types of waterproofing complete guide for all types and methods. After 7 days of curing of mortar joints drive a nail into the joint to test the strength of joints at random. Water proofing waterproofing protection of up to7 bars. Brick bat coba is very effective method used for waterproofing. Building roofsterraces, parapet, sunshades and exterior vertical walls.
Industrial waterproofing residential waterproofing commercial waterproofing hospitals school collages apartments, swimming pools, terrace, basements, balconies,and bathroom. Ensure you are using good quality of cement and sand. Brick bat coba waterproofing service at rs 100square feet. Waterproofing building waterproofing is a process which is designed to prevent water from penetrating a building. Jul 20, 2014 brick bat coba system or lime terracing procedure all existing treatment, coatings on roof slab top is to be removed and surface cleaned by hard wire brush and washed with water. Usually extensive waterproofing measures are added to a building at the time of construction, to provide moisture control from the start waterproofing may also be done after a building is built, to address problems as they emerge or as part of a. Terrace waterproofing we propose to treat the terrace by surface method which starts directly over the rcc slab and includes brickbat coba to provide the necessary gradient for the easy flow of rain water.
The surface should be free from any oil, grease, dust etc. Work procedure for brickbat waterproofing attachment snapshot 1. Mortar thickness should not be more than 10 mm between the courses and sides of the bricks. In this article, we discuss the procedure and disadvantages of brickbat coba waterproofing.
Jan 23, 2018 the types of waterproofing method is a bit critical. Jan 28, 2016 brick bat coba bbc is believed to be a waterproofing and insulation solutions in buildings. Brick bat coba processing on roof by raju singh building. First coat waterproofing smartcare damp proof brush roller drying time to touch 0 15 30 45 46 hours can be used for building roofs, terraces, parapet, sunshades and exterior vertical walls. The primary roof construction must be based of concrete grout and flexible waterproofing polymers. Terraces and roof slabs shall be treated with polymer modified chemical waterproofing coating in two layer or more and nylon. Construction waterproofing in building construction, a structure needs.
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