Repair & Renovation Guide 131 How to do it By choosing a waterproofing, based on the needs of the roof you want to protect. The optimal choice of sealing material is determined in any case by different factors, such as: •Its use (placement of devices, walkability, stress, etc.) •The substrate (concrete, old waterproofing layer or cladding, asphalt sheets, etc.) •New construction or renovation project etc. The most exposed surface of a building with no doubt is the terrace. It is constantly stressed by sunshine, rain, frost, temperature changes, contractions and expansion of surfaces and microwaves of the substrate. In such a demanding environment, the exposed concrete ages, creating on its surface first capillaries and then small cracks that become the easy way for water to penetrate. The efficiency of the thermal insulation system that may exist is reduced, mold appears on the ceilings of the underlying areas, while slowly and steadily, the water corrodes the concrete reinforcement. The restoration takes time and is extremely expensive. LOOK FOR relevant brochures and realistic application samples in DUROSTICK partner stores WHY waterproof the roof? Watch application video at our According to the above, DUROSTICK has: Elastomeric Acrylics, Polyurethanes, Cement sealants, but also sealants based on Polyurea. The branded, certified quality and durability sealing products of DUROSTICK, ensure complete tightness in the horizontal surfaces, covering them with an elastic or flexible, waterimpermeable protection membrane, without joints. Many of them are certified and marked as `Cool’. All DUROSTICK waterproofing products are classified as products for surface protection of concrete surfaces per EN 1504-2. channel
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