Truck and Track Winter 21/22 www.truckandtrack.com 42 From roof waterproofing services and protective floor coatings to leaking balconies, walkway repairs and boat restorations, London Waterproofing Specialists offer a long-term solution for all major water penetration problems. London Waterproofing Specialists are experts in all aspects of waterproofing, and their trusted technicians are the best in the business. With decades of experience as approved applicators of Prokol products, the company has the knowledge and skills required to complete even the most complicated large-scale projects. All work is carried out to the same exacting standards and rigorous compliance criteria to ensure a durable solution that lasts the operational lifetime of your application — putting an end to costly repeat maintenance. Through extensive understanding of Prokol systems and application techniques, they can work with you to advise on the best option for your project and deliver exceptional results. 5 reasons to choose a polyurea coating Polyurea is a coating of choice for commercial, industrial, marine, and residential applications because it has many advantages over its alternatives. The alternatives also have some of these advantages but polyurea has them all in one coating. These include:. 1. Waterproof and corrosion protection: Polyurea coatings have moisture insensitivity/resistance. They have low permeability and are also resilient to water, providing corrosion protection. Consequently, they are also used as tank linings. 2. 100% solids: With a 1:1 volume ratio, the need for extra coats is eliminated, and the lack of solvents means it’s also VOC free and environmentally friendly. 3. High resistance: A polyurea coating provides chemical, abrasion, and UV resistance, as well as being able to withstand extreme temperature changes. 4. Fast set and fast return to service: A curing time of seconds or minutes means there is an almost immediate return-to-service time, and downtime is many times less than with another paint. 5. Strength and flexibility: Polyurea has a high polymeric elongationmeaning that it stretches as well as resists punctures and tears. How polyurea coating compares to other coatings Why would you choose polyurea coating instead of a more traditional coating like epoxy? While other coatings have their own benefits, polyurea outperforms them in certain areas. Polyurea vs Polyurethane: Though these coatings are related (both isocyanate-based), they have many differences. When being applied, polyurethane based coatings are sensitive to temperature and moisture, where polyurea is not. Polyurea is elastic and can stretch, but polyurethane cannot. It also has a higher tensile strength. Polyurea vs Epoxy: Epoxies are sensitive to temperature, humidity and moisture during application, with longer cure times than polyurea. Epoxy coatings are not flexible with the expansion of a substrate, and UV radiation will cause it to discolour, unlike polyurea. Polyurea vs Cementitious: Unsurprisingly, cementitious coatings provide little give, and have far longer setting times than polyurea. All cementitious coatings have long setting and curing times. In short, choose a polyurea coating when you require a very fast turn around in application, as well as when the application Why repair a failing product or substrate with the same traditional product — over and over again? LONDON WATERPROOFING SPECIALISTS
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