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Maintenance time of the cushion on the roof of the building
- for the incorporation of retarding admixture or impermeable concrete , Not less than 14d;s
When the cushion is used, the thickness of the protective layer is not less than ()
- Not on the roof: the general waterproof layer above can be used 15 ~ 25mm cement mortar protection.s
Basement cushion waterproof
- Third, the membrane waterproof in the construction should first do the basement floor of the waterproof, and then the membrane along the basement floor continuous paste to the outer surface of the wall. Basement floor waterproofing first in the foundation pouring C10 concrete cushion, the thickness of about 100mm. And then paste the membrane, and then in the coil to wear 20 thick 1: 3 cement mortar, and finally pouring reinforced concrete floor. The outer surface of the wall first wip 20mm thick 1: 3 cement mortar, cold base oil, and then paste the membrane, the membrane should be stitched paste, adjacent coil lap width of not less than 100mm. The top of the coil should be higher than the maximum water level of about 500mm, the outer side of the brick wall.s
Do you need a cushion for roof waterproofing?
- Roofing layer of leveling layer is usually used 20mm thick 1: 2.5 cement mortar. The leveling layer may be made directly on the structural concrete surface, or it may be made on the insulation layer and is provided for the construction of the waterproof material.s
Large area ground concrete cushion seam Why is the separation of joints generally concrete
- First, the rigid waterproof layer in a large area of construction, by the external force, temperature, humidity changes, structural layer deformation and other factors prone to cracking, leading to leakage, the design should consider the deformation of the waterproof layer to take the necessary Structural or structural measures to avoid and mitigate the cracking of the waterproofing layer to achieve the desired waterproofing effect.s
What is the difference between leveling and cushion?
- Building floor cushion is the structure layer below the grass-roots level. Cushion as the name suggests is the structure of the liner layer, mainly plays the role of the back cover. Cushion should be noted with the basic distinction. It is easy to confuse the two engineering concepts.s
Is the raft cushion waterproofing full of the cushion?
- Base cushion waterproofing is not contact with the soil (Ying water) to prevent water into the cushion, but in the cushion and the base of the bottom of the contact, in fact, is the basis of the bottom of the waterproof. The general basis of the foundation, the bar base is not necessary to do, like a raft in the basement, it is necessary to prevent the water from dipping into the basement (so the basement design may have to do anti-floating calculations).s
Do you need a cushion on the ground floor?
- Chalet recommended to do sloping roof, the lowest point suggested 2.4. Talk about the ground, the roof, the wall area divided by the length of your board length and width of the area can be calculated on the amount of it!s
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