HPSEBLBPHDJ/02/2024-25

Amount

1. Finishing roof with water proofing material solutions on corrugated sheets to prevent water infiltration and ensure long-term protection of the underlying structure or ensure the durability of the roofing structure. a.) Surface preparation: Clean the surface with the help of wire brush and surface grinder if required, to make the surface free from loose particles, dust and any other foreign material. Surface Preparation, Treating the Cracks, Cleaning of surface with the help of various equipment’s wire brush etc. and surface to be made dirt, oil and foreign particle free. Once the cleaning is done the site area will be washed with water to do away with micro fine particles from the waterproofing area. All the area where waterproofing job will be taken should be closed for normal foot traffic till complete curing of waterproofing job. Repair of surface (NITOSEAL PU 40,SIKA FLEX & SIKA MULTI SEAL ). All the cracks to be repaired and filled. Any loose area present on the surface will also be repaired with Repair area will be required to cure for one day before application of waterproofing coating on the surface. Please note that extra care should be taken for curing of PMM at all the area’s where high temperature is there. Coving/Gola: Coving at the junction of slab and vertical SIKA FLEX ,NITOSEAL PU40 b.) Cracks / Honeycomb area Treatment: Providing and applying bonding agent over the PVC later Filling the pipe gap with SIKA MULTI SEAL from the top all over, with all shuttering/PoP already in place from bottom side. Finally all pipes and concrete intersection joining areas to be treated with Nitoseal PU40 c.) High build fibre Reinforced Acrylic Waterproofing render for roofing Uses Brushbond Roof Guard is high build fibre reinforced seamless waterproofing render suitable for waterproofing of old & new roofs, it is a polymer base product applied in three OR more coats & each coat with different colours for monitoring correct thickness. The product can be applied directly on existing concrete, brickbat coba, and screed concrete even without removal provided the substrates are sound enough for application of the coating avoiding the risk of damage to the old roof associated while removing of the existing overlays. The product provides a seamless, tough durable water resistant coating which can withstand light pedestrian traffic and also has excellent weather resistance for exterior applications.included fiber mesh. High Build system provides higher dry film thickness of more than 1mm in three coats. The product can applied directly on existing sound concrete, brickbat coba, screed concrete even without removal No protection screed required eliminating the additional weight due to protection layer Excellent barrier to carbon dioxide, chloride and sulphate ions. Allows water vapour to escape from the structure. High resistance to the effect of long-term weathering, Durable in all climate conditions including UV attack. Excellent bond to concrete and masonry. Good crack accommodation capacity.

SURESH KUMAR

aman sood