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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

According to the "concrete structure construction quality acceptance criteria" provides: Concrete should be poured within 12h after the completion of the concrete to be covered, and moisturizing conservation;

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

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.

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.

Why do the basics of the cushion waterproofing

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.

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.

Foam concrete for the roof cushion generally do much bulk ah

First help you correct it, foam concrete used in the roof should be the role of thermal insulation, not as a cushion.

When the cushion is used, the thickness of the protective layer is not less than ()

The purpose of the protection, one is to avoid man-made mechanical damage; the second is to prevent climate, UV aging, to extend the service life; three in the planting roof protection layer is to prevent plant roots puncture, different effects using different methods of protection.