• Ethylene propylene diene monomer rubber (EPDM) is a synthetic rubber most commonly used in single-ply roofing because it is readily available and simple to apply. Seaming and detailing has evolved over the years and is fast, simple and reliable with many membranes including factory applied tape, resulting in a faster installation. The addition of these tapes has reduced labour by as much as 75%. • It is a low-cost membrane, but when properly applied in appropriate places, its warranted life-span has reached 30 years and its expected lifespan has reached 50 years. • There are three installation methods: ballasted, mechanically attached, and fully adhered.
• Polyvinyl Chloride (PVC) membrane is also known as vinyl roofing. Vinyl is derived from two simple ingredients: fossil fuel and salt. Petroleum or natural gas is processed to make ethylene, and salt is subjected to electrolysis to separate out the natural element chlorine. Ethylene and chlorine are combined to produce ethylene dichloride (EDC), which is further processed into a gas called vinyl chloride monomer (VCM). In the next step, known as polymerization, the VCM molecule forms chains, converting the gas into a fine, white powder – vinyl resin – which becomes the basis for the final process, compounding. In compounding, vinyl resin may be blended with additives such as stabilizers for durability, plasticizers for flexibility and pigments for color. Thermoplastic is heat-welded seams form a permanent, watertight bond that is stronger than the membrane itself.
• Liquid Roofing is the process of waterproofing a roof by the application of a specialist liquid roof coating. It is suited to all types of roof, including flat, pitched, and domed. Liquid roofing involves the application of a monolithic, fully bonded, liquid based coating to a roof. The coating cures to form a rubber-like elastomeric waterproof membrane, capable of stretching and returning to its original shape without damage. Such coating systems are usually reinforced with secondary materials such as glass-reinforced plastic to provide additional tensile strength. The coatings can be applied over most traditional roofing materials, including felt, asphalt, bitumen, and concrete • Cost-effectiveness • The process of liquid roofing provides a cost-effective method of making a new or existing roof waterproof. It can deliver up to 25 years performance depending on the coating system employed. It is estimated that liquid roofing is 70% less expensive than overall roof replacement in refurbishment situations.
Providing and laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs balconies terrace etc
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. Spreading of CM(1:5) mix, mixed with water proofing compound and grouting brick bat in the mortar with necessary slope of approx. 1 in 100 for easy flow of water. Filling the joints in the bricks with the mortar properly. This treatment to continue along the inner side of the parapet or other adjoining wall up to a height of 30cm in the shape of a round Vatta and finally converting the top surface with jointless waterproofing cement sand mortar 1:4, 20 to 25mm thick finished smooth with trowel in cement colour marked into 30cms * 30cms false squares. The average thickness of complete treatment shall be 100mm. Curing to be continuously done for surface.
Flooring work are provided to divide a building into different levels for creating more accommodation one above the other within a certain limited