-Formwork surface in contact with the concrete against inorganic adhesive, on the surface of formwork was clean before pouring the concrete.-The surface after the stick against keep not to dirty.-Release compounds are not sticking to the reinforcement steel, detailed stats.-The openings sealed with inorganic materials. Lining plastic cloth to avoid water as the concrete decay.-The formwork required concrete surface is smooth.-Flat, smooth formwork Edges ensure the sealed grafts machining.-Gap against of standing no more than 60 cm.
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