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Chowgule Koster (India) provides Total Waterproofing Solutions for new and old constructions in residences, offices, Institutions, High Rises, dams etc.
Using new age products which are being imported, we offer long lasting solutions to active leaking basements and watertanks, flexible surface crack bridging systems, leaking expansion joints of water retaining structures, leaking cable cutouts in basement walls, and leaking structural crack in concrete substrates.

Product Overview
Koster NB Powder
This is a cement based crystalline brush on waterproofing system having usuage in almost all waterproofing solutions. Its elasticity range of 15 %, pH of 11.5 and self curing properties make it a unique and path breaking system
Koster SB Bonding Liquid
This is a high quality carboxylated SBR based emulsion. It has been specially designed for use with the Koster NB Powder to compliment and enhance the characteristics of this system. It can also be used in plasters and repair mortars
Koster NB Elastic system
This is a two component acrylic based brush on application which is highly elastic - 85 % and also UV resistant. It has been widely used in conjuntion with the Koster NB system.
Koster Dachflex
This is a solvent free waterproofing systemexclusively designed for sealing of external and internal cracks in walls / plaster. Its high elasticity - 300 %, UV resistance, self curing and ease of application makes this a high demand product for the Indian market
Koster Crisin 76
This is a resin based low specific gravity liquid which when injected into walls offers a total solution for rising dampness from ground water, etc. Its unique formulation makes it highly effective in both acidic and alkaline conditions. It can also be used in wet conditions.
Koster KD System
This is a three component system which offers solutions to active and also aggressive leakages. Its extremely fast setting time - 20 secs - makes it effective in solving almost all leakages coming from RCC and / or brick masonry structures
Koster Polysil
This is a low viscous, silicate based colourless brush on polymer extensivley used in arresting problems of efflorescenses due to the alt contaminated substratest. Its properties of impregnation upto 2 cms make it a useful product in a diverse range of application.
Koster Silicate Mortar
This is a two component acid resistant mortar which when applied ahcieves a seemless layer which can withstand acid attack up to a pH of 1. This makes it a excellent acid resistant liner for acid tanks etc
Koster KB Flex 200
This is a single component, permanently malleable mastic product used the sealing of actively leaking cable sleeves in the basement. This is a unique product that offers a complete solution to this problem
Koster Waterstop
This is a single component system which offers solutions to active leakages. Its fast setting time - 1 - 2 minutes - makes it effective in solving almost all leakages coming from RCC substrates
Koster CFR 1
This is a highly flexible hot bonding mass based on rubber and bitumen. It is easy to apply and quick solution for waterproofing of podium slabs and garden areas. It provides excellent adhesion to virtually any dry mineral and bituminous substrate. Once CFR1 has been applied to the substrate, it accommodates cracks & joints flawlessly.
Koster Betomor Multi A
Easy to use, factory packed, self curing, achieves high compressive strength (> 3 N / mm2 in 4 hrs.) and can be painted over, 24 hrs. after application – this is Koster Betomor Multi A a polymer modified multi purpose mortar for concrete and brick surfaces which can be easily applied on horizontal, vertical, and over head surfaces in a single layer and up to a thickness of 60 mm.
Koster KB Pur In 1and KB Pur In 2
KB PUR IN 1 along with KB PUR IN 2 or KB PUR IN 2 on its own can be used for stopping pressurised water in cracks and joints. KB PUR IN® 1 is a 2 component water activated PU-Injection Foam. The KB-PUR® IN 2 is a solvent and filler free, low viscosity, 2 component, elastic polyurethane-injection resin for sealing of live (moving) cracks.
Koster KB Pur 2 in 1
This is a water activated PU - Injection resin for a one-step injection of water bearing cracks and joints.
Koster KB Pur Gel
This is a unique hygorscopic product with an extremely fast setting time - 20secs - when in contact with water. Its high elasticity makes it ideal for sealing of actively leaking horizontal expansion joints in water retaining structures.
 

 
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