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Tefond Drain Plus - drainage and water resistance, 650g membrane - bituminous adhesive strips and 80 g / m2 polypropylene geotextile.
Tefond Drain Plus is an extruded high density polyethylene (HDPE) membrane with a mechanical edge-joining system, two elastomeric bituminous seals and polypropylene geotextile.
The security of the constructed object is its most important advantage. From this point of view, Tefond Drain Plus (Tefond Plus in combination with polypropylene geotextile) has many required features: resistance to chemical and biological agents, mechanical strength. Everything contained in one product. Waterproof layers and thermal insulation are completely protected against damage caused by vegetation. TEFOND DRAIN PLUS is laid directly on these layers without any mechanical fastening; thus, waterproof insulation is comprehensively protected. In addition, TEFOND DRAIN PLUS itself is another waterproof layer.
Tefond Drain Plus protects the retaining wall against water and protects against ingrown plant roots and against corrosion caused by chemical compounds present in water, such as sulfates and chlorides; ensures drainage of water accumulating on the wall not only thanks to the sealing material, but also through the air chamber formed between the double applied and sealed polyethylene membrane and polypropylene geotextile. Neither soil nor debris can block this system. Water collects in the micro-perforated pipe, which drains it to the tank in.
Moisture from the soil is filtered through polypropylene geotextile and the TEFOND DRAIN PLUS waterproof membrane flows into drainage pipes. Using TEFOND DRAIN PLUS we get durable waterproof insulation with a drainage layer.