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FAQ

Why do the basics of the cushion waterproofing

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). Assuming (just suppose) the raft can easily turn over, then we do waterproof (like roof) directly on it, not waterproof on the cushion.

Is the raft cushion waterproofing full of the cushion?

Assuming (just suppose) the raft can easily turn over, then we do waterproof (like roof) directly on it, not waterproof on the cushion.

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.

The top floor made waterproof playing cushion layer of how to do

Roof waterproofing can not use a single waterproof material, must be rigid and flexible combination of construction, flexible waterproof stretch is good, a little bit of settlement or deformation will not damage the waterproof layer. Rigid waterproof (ie mortar waterproofing agent) waterproof at the same time, can play a protective role, waterproof layer is not easy to be destroyed.

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.

Why calculate the amount of time to count a lot of cushion ah

Cushion cushion, as the name suggests is the structure of the liner layer, mainly from the back cover of the role, generally in the engineering design drawings have a clear approach (material).

Cushion, waterproof layer construction to do what information

3, waterproof layer: In order to prevent the rain into the roof, groundwater into the wall, basement and underground structures, indoor water into the floor and walls and other materials layer.

Maintenance time of the cushion on the roof of the building

Concrete watering maintenance time: the use of Portland cement, ordinary Portland cement or slag Portland cement mixed with concrete, not less than 7d;