Flexible waterproof casing waterproof layer rupture causes

Flexible waterproof casing waterproof layer rupture causes
The causes of damage to the waterproof layer of flexible waterproof casing are as follows:
 
1, the damage caused by improper use of waterproofing materials. Including waterproofing layer selected material indicators do not meet the requirements, construction thickness is not enough; improper process; two or more waterproofing materials used improperly affect each other's waterproofing effect, etc.
2, in the outer defense, external posting method of construction, flexible waterproofing casing of the waterproofing protection layer broken or deformation will affect the waterproofing layer of the local breakage. Usually, the flexible waterproofing layer of the basement wall using structural concrete construction, and then use the exterior wall counter-paste method of construction. The advantage is that the flexible waterproofing layer can be better combined with the structural concrete, but most of the current method only in the waterproofing layer outside the bricklaying. When the basement has a large settlement or backfill construction, waterproofing layer outside the brick protection layer may deformation, fracture or vibration, resulting in local damage to the waterproofing layer.
3, the weak link in the flexible waterproofing layer is cut off under the action of groundwater, the formation of the overall flexible waterproofing layer damage, so that water penetration into the waterproof layer. Basement each to the sunny corner line waterproofing layer is easy to cut. Basement floors usually have 1-2 threads along the corner line to the sun. The waterproofing ability of the thread is relatively poor, this part of the structure is easy to be cut when settling. In addition, the basement floor flexible waterproofing layer using the construction method of external anti-internal bonding, but this method does not make the waterproofing layer and structural layer bonding tight, flexible waterproofing layer is easy to peel with the structural layer. Baseboard deformation in the basement. The waterproofing layer of the structure is easy to burst under the action of groundwater. 4, flexible waterproof casing waterproofing layer according to the concrete defects perforation damage. This is due to uneven settlement of the structure and larger cracks lead to the destruction of the flexible waterproofing layer; secondly, the use of external anti-internal bonding method of construction of flooring concrete, the external void is large, at this time people do not understand and can not repair the concrete. Occurrence of the waterproofing layer backing off, under the action of water pressure, a small part of the waterproofing layer is destroyed.