Description
APP Modified bituminous plastomeric waterproofing membrane specially blended to obtain excellent heat resistant, U.V resistance and cold temperature flexibility. Reinforced with a core spun bonded non-woven polyester carrier to obtain excellent tensile and lap joint strength, elongation, tear and puncture resistance. The polyester combines high tensile strength and elongation. The special polymer modifier used has great resistance to ultra-violet radiation. Surfaced with natural mineral granules (slate) on top and H.D.P.E Film at the bottom overlap sides.
– FUNCTIONS
The APP MEMBRANE is used as double/single layer for waterproofing/damp proofing membrane for protection of various substrates in wide range of applications, such as Inverted Roofs & parapets, Terraces, balconies & patios, sunken slabs,bridges & tunnels, concrete foundations, tanking in basements, pile heads, swimming pools, airport aprons & ramp areas etc.
– ADVANTAGES
- High flexibility at low temperatures and stability at high temperature.
- Positive barrier to water and dampness, and easy to apply
- Excellent resistant to aging and weathering.
- Remarkable resistance to aggressive attack of salts and chemicals
- High tensile strength and elongation.
– INSTRUCTIONS FOR APPLICATION
The membranes are install fully bonded or loose-laid by torch welding. Clean the substrate, and prime with Garprimer and allow drying naturally. Torching done by skilled labor, controlled so that only the PE film melt and the asphalt coating is softened sufficient to bond the membrane. All lap joints are smooth and sealed using a heated round-nosed trowel by applying the heat of propane gas flame to the trowel. In loose-laid applications, only the lap joints, areas around penetrations (pipes etc.), upstands and a 30 cm wide strip around the perimeter of the work are fully bonded. Upstands and flashings should be installed using 1 M wide pieces cut from the length of the roll. (The overlap joints should be 10 cm at the sides and 15 cm at the end).
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