Professional Basement Waterproofing
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What is waterproofing membrane?
- Waterproof membrane requirements have good water resistance, stability of the temperature change (high temperature does not flow, no blistering, not confuse; low temperature does not brittle crack), a certain mechanical strength, extensibility and resistance to fracture, to There is a certain degree of flexibility and anti-aging and so on.
The waterproofing membrane is a curlable sheet-like waterproofing material. Is one of the important varieties of waterproofing materials in construction engineering.s
What kind of waterproofing membrane, waterproofing membrane is how to classify their respective advantages?
- SBS Asphalt membrane: low temperature waterproof material will crack, the high temperature of the material will become liquid flow.
PVC waterproofing membrane: Over time, the plasticizer will be displaced, and can not be re-welded, must be replaced with new materials.s
What is the PEDM waterproofing membrane material?
- EPDM waterproofing membrane (EPDM) is the main material with ethylene propylene rubber, adding anti-aging agent, accelerator, and adding nano-materials, so that the waterproof membrane weather resistance, heat resistance, low temperature resistance has greatly improveds
Waterproof building materials after the construction of drums, bubble is what reason?
- Reason 3: synthetic polymer waterproofing membrane construction, if the adhesive is not fully dry on the eager to paving the membrane, resulting in a solvent residue in the coil inside, when it evaporates, it will form a bubble.
Control measures: the use of cold and cold method of paving, the brushing of the adhesive to be uniform, to be dry when the handle (refers to touch) is not bonded, before paving the membrane, while compaction. In particular, to prevent the accumulation of adhesive too thick, dry operation caused by the film from the drum.s
On the roof of the waterproofing membrane paving the direction of what are the requirements
- For the vibration of the roof, such as the use of parallel roof ridge direction asphalt waterproofing membrane, under the influence of vibration, easy to slip the membrane waterproof layer. And therefore should be vertical roof ridge direction. But the high strength of synthetic polymer film can not be limited.s
What is the material on the insulation layer on the waterproofing membrane?
- The isolation layer of the roof waterproof layer is generally set between the waterproof layer and the above rigid protective layer, and he has two roles. 1, the surface of the rigid layer (usually 40mm thick fine stone concrete) will have thermal expansion and contraction deformation, if the waterproof layer and the rigid layer is very good, rigid layer deformation will affect the deformation of the waterproof layer, so there may be waterproof Layer to produce a direct cracking or long-term fatigue damage, so the two tectonic layers should be set with a sliding function of the isolation layer;s
Whether the polyester waterproofing membrane can be used for roofing waterproofing
- 4, polypropylene waterproofing membrane in the actual use of the results reflected is not ideal.s
About asphalt waterproofing membrane
- 3, the performance of these two materials vary widely, SBS is a common international waterproof material, and linoleum due to poor performance, aging fast, has been used in the waterproofing works. The performance standard of linoleum is GB326 "oil asphalt paper linoleum", SBS coil implementation of the standard is GB18242 "elastomer modified asphalt waterproofing membrane."s
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