The combined waterproofing method of the floor surface of a parking lot using eco-friendly polyurea resin and TPM-enhanced reactive wetting type waterproof sheet

摘要

The present invention is a floor arrangement process of removing foreign substances from the floor of a parking lot after drying after pouring concrete, removing curvatures and aging parts of the surface, and applying moisture to the surface without being collected when the floor is dried; A waterproof sheet attaching process of attaching a wet foam type waterproof sheet having a thickness of 2mm to the bottom surface that has undergone the bottom surface arrangement process; A waterproof sheet pressure bonding process for preventing lifting after attaching the wet foam waterproof sheet by pressing and contacting the upper surface of the wet foam waterproof sheet that has passed through the waterproof sheet attaching process using a roller pressing means such as a large roller; A waterproof sheet drying process of curing in a cool shade for 20 to 30 hours after the waterproof sheet pressurization process; A primer coating process of evenly coating a one-component moisture-curing primer on the upper surface of the wet-packed waterproof sheet dried after the drying process of the waterproof sheet and drying and curing for 2 to 6 hours; After the primer coating process, first apply a polyurea resin to a thickness of 1 mm on the upper surface, and evenly spray silica sand with a particle diameter of 1.2 to 1.5 mm before curing, cure until walking is possible, and then apply a polyurea resin of 1 mm. A polyurea resin coating process for curing by secondary coating to a thickness; And a finishing process of removing foreign substances on the upper surface after the polyurea resin coating process and applying and drying a top coating material on the upper surface. will be. The present invention uses an eco-friendly polyurea resin and a wet-packed waterproof sheet, so it is environmentally friendly and not affected by moisture because there is no volatile organic compound (VOC), and a polymer (Two in one polymer) additive, ether bond, ionic bond It has a stable structure that chemically cross-links with the adhesive surface and the parking lot floor due to the synergy of multiple chemical reactions such as It is resistant to tearing, fatigue, high tensile strength, strong adaptability to shrinkage deformation and cracking of the surface layer, good corrosion resistance, toxicity, weather resistance, good workability, convenient operation, excellent durability, and quick completion of air. There is an effect of greatly reducing the construction cost.