192 Repair & Renovation Guide Waterproofing with cementitious waterproofers If the roof is to be visited often during the year for any reason, if we are interested in the longest lasting possible and proper function of the waterproofing (when compared to elastomeric waterproofers), but also in cases where we are going to additionally line the roof with tiles, slates/slabs or other lining material, then it is advisable to choose cementitious waterproofers as the waterproofing solution. This is one of the most reliable solutions in the field of waterproofing products and has excellent performance throughout its life span (up to fifteen years), and under specific conditions (e.g., when used as a substrate for a lining) does not age (longevity test over 50 years). Today many types of waterproofing products are available and they all have advantages and disadvantages that we will need to compare when choosing the type of waterproofing that fits our specific needs and requirements. ROOF WATERPROOFING Renovations - Rooftop • Ideal solution for surfaces that are going to be affected by loads and high stress, frequent traffic, and use. • As a top coat surface, they have excellent resistance to adverse weather conditions, intense sunshine, frost, standing water, as well as various types of mechanical stress (vibration, friction, etc.). • They provide a guarantee of good function and service life for many years. As waterproofing undercoats/substrates for linings, they provide a very reliable solution with more than double service life, when compared to applications that are in direct contact with the external environment. • They are breathable (vapor permeable) products that prevent the formation of condensation-related damp and mold in the mass but also on the opposite side of the surface of the structural element (usually concrete slab) on which they are applied. • Effectively coverage of capillary cracks of the substrate and prevent the formation of new ones on the waterproofed surfaces. • They act as a protective barrier against the carbonation of concrete, but also the ingress of chemical and industrial air pollutants. Complete waterproofing in 6 steps with HYDROSTOP ROOF or with TWO-COMPONENT HYDROSTOP Clean the surface - remove loose sections 1 Soak 2 First waterproofing coat 3 Reinforce with fiberglass mesh 4 Second waterproofing coat 5 Third & final waterproofing coat 6 ADVANTAGES
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