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Substrate Preparation
All Surfaces
The substrate needs to be strong and smooth, clean and dry. Fill the holes with cement mortar. The aws such as honey comb should also be repaired. The external and internal corner are made to be arc. Internal corner: D50mm External corner: D10mm. Brush the rst layer then pave the non-woven reinforced layer. Permeate the reinforced layer with the material thoroughly.
Firstly apply the stirred polyurethane waterproong coating over special positions like the external and internal reinforcement as well as the orice of the through-wall pipe. After meeting the requirement, make the widespread coating. Use brush or rubber scraper to brush the substrate evenly. Apply the second layer provided the rst layer is cured. The coating direction is vertical to the rst one and then the third layer’s direction is the same as the rst one. Brush repeatedly till meets the designed thickness. After curing, it will form a complete seamless waterproof rubber lm which is bond strongly to the substrate. Before the next procedure, pay attention not to damage the waterproong membrane with
hard objects in case of invalidation of the waterproong. If damaged, notify the constructor to repair it.
The interval time: it depends on the application site but typically the surface drying time is about 12 hours.
The actual interval time is based on that the previous layer is tack-free.
Aquacoat QL-929 Single component polyurethane coating is moisture-cured high polymer waterproof coating. It can react with the moisture in the air and form a non-toxic, odorless and high elastic waterproof fillm. It is a new type of environmental-friendly waterproof coating.
Aquacoat QL-930 is one component creamy white liquid prepared by advance technology and contemporary production unit. During coating application, water, as the curing cross-linking agent, is directly added into the coating whose active group will react with the water molecule and cure to form a rubberized waterproof lm coating.
Substrate Preparation
All Surfaces
Concrete substrate needs to be sound, clean, uniform and regular. Fill the holes with cement mortar. The flaws such as honey comb should also be repaired. The external & internal corner are rounded. Internal corner: D50mm External corner: D10mm. Brush the rst layer then pave the non-woven reinforced layer. Permeate the reinforced layer with PU material thoroughly..
Firstly apply the stirred polyurethane waterproong coating over special positions like the external and internal reinforcement as well as penetrations like through-wall pipe. Afterwards, for widespread coating. Use brush or rubber scraper to brush the substrate evenly. Apply the second layer provided the rst layer is cured. The coating direction is vertical to the first one and then the third layer direction is the same as the first one. After curing, it will form a complete seamless waterproof rubber lm which will bond strongly to the substrate. Before protection, attention must be given not to damage the waterproong membrane with hard objects.
Coating Interval time: Depends on the application site but typically surface drying time is about 12 hours. Subsequent coats of PU should be applied when the preceding coat becomes tack free.
Substrate Cleaning & Checking
Firstly apply the stirred polyurethane waterproofing coating over special positions like the external and internal reinforcement as well as penetrations like through-wall pipe. Afterwards, for widespread coating. Use brush or rubber scraper to brush the substrate evenly. Apply the second layer provided the rst layer is cured. The coating direction is vertical to the rst one and then the third layer direction is the same as the rst one. After curing, it will form a complete seamless waterproof rubber lm which will bond strongly to the substrate. Before protection, attention must be given not to damage the waterproofing membrane with hard objects.
Coating Interval time: Depends on the application site but typically surface drying time is about 12 hours. Subsequent coats of PU should be applied when the preceding coat becomes tack free.
Aquacoat KS-988A, is a 2 component acrylic modied cementitious waterproong system. It is two component high polymer coating material of organic liquid and inorganic powder. After mixing and stirring in a specied proportion, apply slurry on the substrate by trowel or brush to form a hard and fexible waterproof coating. It is widely used in building, road, bridge, culvert, decoration and water construction. The present waterproof system is preferred to the indoors which is not soaked in water for long time. It can be compounded with other material in the roof construction.