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FAQ

What is the relationship between the cushion and the ring beam?

Cushion is plain concrete or asphalt concrete (for groundwater soil corrosive strong site). Is located below the ground, in order to prevent the foundation or the concrete beam pouring when the excessive loss of water caused by defects set. The purpose is to ensure the quality of concrete, increase the durability of underground components

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;

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).

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.

Do you need a cushion for roof waterproofing?

Where the process (such as waterproof material construction, floor construction, equipment installation, etc.) on the grass-roots level have certain requirements, must be grass-roots leveling treatment, in the project, commonly used leveling method is to use a certain strength of cement mortar or Fine stone concrete leveling.

Why do the basics of the cushion waterproofing

Raft foundation do not do waterproof mainly depends on the design of the groundwater level considerations, calculated if the floor itself to meet the requirements, you can not do, and not rigid to do

Basement cushion 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.

Is it possible to make a waterproof layer

3, waterproof layer set and standard construction methods: to be painted 2 to 3 times, or should be added fiberglass cloth, and each brushing the thickness of the cured material shall not be less than 1 mm, and should be completely dry (about 5 -8 hours) and then the next construction. After brushing, but also in the paint waterproof layer to do a mortar protective layer, and finally paste the tile.