Water ingress often finds its way into a building; whether it’s through a seam or join in materials, or through the deterioration of fabrics such as roofing felt. The challenge is to find a solution that delivers durable waterproof protection, without seams or joins, and is easy to apply and quick to provide waterproofing qualities. That’s where Polyurethane based waterproofing membranes come. It is made up of two components, base and reactor. Polyol acts as the base, while isocyanide is the reactor component. The combination of both these in a specific design ratio creates a liquid coating for waterproofing applications. Polyurethane is a rather popular choice due to its ease of installation. Unlike other waterproofing systems like sheet membranes and liquid applied membranes, this polyurethane application requires comparatively less skill and supervision. Application is fast and this type of treatment can be used for post-construction applications as well.
Polyurethane-based waterproofing membranes is a liquid applied system that offers decisive advantages particularly where seamless systems are desired; either structurally or aesthetically, and for geometrically complicated connections with ventilation outlets or upturns.
Polyurethane waterproofing membrane Advantages;
Polyurethane waterproofing membranes yield seamless membranes with long-term flexibility while sealing around even in the most complex protrusions becomes easy. Its advantages are;
The application method of Polyurethane Waterproofing Membrane
Polyurethane Waterproofing Membranes show high resistance to standing water, thus it can be used on flat roofs without particularly good slopes. It provides a simple, secure and easy solution to difficult sealing points (e.g. corners, edges, joints with roof outlets, etc.).It creates a continuous, elastic membrane with excellent mechanical strength, without joints or seams, and is used for both total sealing of flat roof surfaces and for local waterproofing of cracks. Discussed below is ts application method
Different types of Polyurethane Waterproofing Membrane Products
A flat roof, terrace or deck is constantly exposed to humidity, ultraviolet degradation, weathering, acid rain attack, mechanical wear and ongoing movement stresses. Polyurethane Waterproofing Membrane is the answer to these problems. In this article, we have discussed its advantages, application and product types. In an upcoming article, we will discuss each product type in detail.
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