How is the water level rated and how many grades are used?
1, roof waterproof level 1:
Application: particularly important or waterproof with special requirements of the building;
Waterproof layer of reasonable use of life: 25 years;
Waterproof layer selection of materials: should use synthetic polymer waterproofing membrane, polymer modified asphalt waterproofing membrane, metal sheet, synthetic polymer waterproof coating, fine stone concrete and other materials;
Fortification requirements: three or more than three waterproof fortification.
3, roof waterproof level 3:
Application: general building;
Waterproof layer of reasonable use of life: 10 years;
Waterproof layer selection of materials: should choose three asphalt four oil asphalt waterproofing membrane, polymer modified asphalt waterproofing membrane, synthetic polymer waterproofing membrane, metal sheet, polymer modified asphalt waterproof coating, synthetic polymer waterproof coating , Fine stone concrete, flat tile, felt tile and other materials;
2, the roof waterproof level 2:
Applications: important buildings and high-rise buildings;
Waterproof layer of reasonable use of life: 15 years;
Waterproof layer selection of materials: should choose high polymer modified asphalt waterproofing membrane, synthetic polymer waterproofing membrane, metal sheet, synthetic polymer waterproof coating, high polymer modified asphalt waterproof coating, fine stone concrete, flat tile, linoleum Tile and other materials;
Fortification requirements: two waterproof fortification.
Roof waterproofing level, mainly the ability of roof waterproofing, to distinguish between the various levels, generally based on the construction process and the choice of waterproof material.
Waterproof at all levels of specific materials do not have clear requirements, as long as the water resistance and service life can be achieved.
