Laying blue XPS insulation boards tightly over the roof waterproofing membrane

XPS Insulation Boards for Roofs: Technical Specs and Correct Installation

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Table of Contents When a roof needs thermal insulation as part of a complete build-up with waterproofing, protection and tiles, XPS insulation boards (the familiar “blue foam”) are the most widely used choice on Egyptian projects. They are light and easy to cut and fit, and combine low thermal conductivity with compressive strength that carries foot traffic and tiles, plus ... Read More
Foundation waterproofing: brushing cold bitumen emulsion over a concrete slab

Foundation Waterproofing with Cold Bitumen: The Right Materials and Steps

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Table of Contents Foundations are the only part of a building that cannot easily be repaired once backfilled. With high groundwater in many parts of the Nile Delta and Egypt’s new cities, and salts and sulphates in the soil, foundation waterproofing is essential to protect concrete and reinforcement from corrosion and secure the life of the structure. The most common ... Read More
Water tank waterproofing: elastomeric lining on the floor and walls of a round concrete tank

Water Tank Waterproofing: Drinking-Water Approved Materials and Correct Application

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Table of Contents A concrete water tank, whether on the roof or below the building, is under constant water pressure and permanent moisture. A leak does not only waste water; it can corrode the reinforcement and let dust and bacteria contaminate the supply. That is why water tank waterproofing needs materials designed for permanent immersion and approved for drinking-water contact, ... Read More