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1, clean up the concrete and cement mortar surface sundries, such as floating ash to rinse as far as possible, delamination peeling to remove, obviously empty drum need water injection mud repair.
2, there are cracks first repair, 5 mm below the crack irrigation material, irrigation mud water, and then spray material twice; Cracks of more than 5 mm require grooves of 3 cm wide and deep, filled with cement and sand (1:3 ratio), compassed and pressed well.
3, there is no crack, the surface of the water first fully wet, water absorption fast place more water wet.
4, Clean up the water, spray the material evenly twice, and increase the amount of spraying where absorption is fast and where cracks are needed.
5, to be semi-dry surface, coated with a cement slurry.
6, After drying, spray the material again. Local absorption too fast place, need to add spray material.
7, about 12-20 hours after the water can be sprayed for maintenance, so that the residual materials on the surface as far as possible into the base.
8,use in temperature between +5°C to 40°C
9,new concrete structure can be applied after it poured, and waterproof effect will be better than after 28days
10, old building applied need to remove all decoration material and coating, then start the step 1.
Clean the base surface
Then wet the surface thoroughly with water
Spray more water and moist places that absorb water quickly
Sweep away standing water
Next, start spraying Ominglang waterproof material for the first time
Spray evenly
Mix cement well
Make 45-degree cement chamfer for all internal and external corners on the roof
After finish, spray the Ominglang waterproof material again
Next, scrape the cement mortar
After semi-drying, spray Ouminglang waterproof material
After six hours, spray water for curing
Wet the base surface thoroughly
The vertical wall must be sprayed with water upto 1.8 meters
Next, pour the Ominglang waterproof material into the sprayer
Spray the Ouminglang waterproof material evenly in mist
Blending cement mortar
Make a 45-degree chamfer along the internal and external corner and the drainline
After chamfering, start spraying the material for the second time
After the surface is semi-dry,
Coating cement mortar
After semi-dry
Spray the material again
After 6 hours, spray water can be cured twice
Cut vertically along both sides of cracks with a cutting machine
Drill groove 3 cm wide and deep
Cleaning groove surface
Wet fully with water
Sweep away standing water
Fill the cracks with Ouminglang waterproof material
Modulated cement slurry
Fill the cracks with cement slurry
Start spraying materials after semi-drying
Cement mortar backfill
Semi-dry spray material
Brush the cement slurry again
After half drying, spray the material again
After drying, you can do water soaking test
Cut vertically along the crack with a cutting machine
Spray water along the cutting groove to fully wet
Cleaning groove surface and standing water
Pour Ouminglang waterproof material into the pointy-nosed pot
Fill the crack with material
Blending cement slurry
Pour cement slurry into a pointy-nosed pot
Fill the cracks with cement slurry
Semi-dry spray material
Brush cement slurry
After semi-drying, spray Ominglang waterproof material
Soak water test can be done after cooling and drying
