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FAQ

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.
How to build a fine stone concrete cushion?
The cushion is primarily responsible for the load coming from the surface and passes the load evenly to the structural or base.
Basement floor mattress dry to what degree can do coil waterproof?
First, the basement moisture treatment structure is usually: first in the basement wall outer surface wiping 20mm thick 1: 2 waterproof mortar, basement walls should be used cement mortar masonry, gray seam must be full; and in the basement floor and the first Floor floor is divided into two walls of the level of moisture-proof layer. The outer wall of the basement wall should be tampered with the soil with poor permeability.
The roof cushion is waterproof on the slope roof
Most of the slope roof itself is not waterproof. The role of the slope roof is used for drainage,
Is foam concrete suitable for use as a cushion?
Inappropriate. Bubble concrete is a new type of energy-saving and environmentally friendly building materials, which are widely used in wall materials, but there are still some defects, such as low strength, cracking, water absorption, as the cushion of its strength is not enough standard.
Roof waterproof mattress should play the number of centimeters appropriate
Roof leaking of the construction program: ? 1. Need to remove the previous waterproof, such as paint, coil, etc., if it is to do the mortar waterproof can not be eradicated.
Can the cushion on the prefabricated board floor be dug?
Prefabricated board floor layer of cement layer is not called the cushion, should be called leveling layer, this layer can be removed, but be careful not to damage the prefabricated plate.
Is it possible to make a waterproof layer
2, 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.