Experimental test diagram of elastomer modified bitumen waterproof membrane

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Updated on: 2021-08-25 11:25
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Elastomer-modified bitumen waterproofing membrane experimental test chart business model.  Chinese enterprises.  Many adopt the integrated mode of material production and engineering, that is, set up a material company to concurrently engage in waterproof engineering construction.  Material production and engineering construction were established separately and operated separately.  Materials company has multiple business models: establish a regional sales network, implement a direct sales system: transfer profits to distributors, and implement an agency system.  Waterproof engineering companies have many relationships, and it is not easy to become bigger and stronger.





Comprehensive factors such as specifications, models, production lines and equipment conditions, production technology and management level consider whether they are qualified elastomer modified asphalt waterproofing membrane manufacturers, and whether the materials produced are uniform in appearance, color, odor thickness, and whether the covering is adhered To determine whether it is firm and other aspects, a simple method is to see whether the tire is centered and whether it is not saturated. Experienced engineering chambers of commerce compare the materials of the manufacturers, shop around, decide through their own experience, or refer to friends, in short, choose the materials carefully. Choosing a strong and reliable waterproofing membrane manufacturer will have a great impact on the quality and progress of the project. s help. Careful pot friends will be based on the origin of the raw materials.


Waterproof membrane T25zZJ751


Elastomer-modified bitumen waterproof membrane experimental test chart. So many people think that the thicker the waterproof membrane, the better the waterproof performance. In fact, this is an extremely serious misunderstanding! To make an inappropriate example, if you wear a thick padded jacket in winter, you may not wear a thin goose down jacket to be warm. In fact, the thickness of the waterproof material is not directly related to its waterproof performance.  To understand what factors determine the performance of waterproof materials, we must first understand the structure of the waterproof membrane.





Internally heated bitumen waterproofing (1967-1973)—a waterproof layer is the same as above, and the insulation layer is placed under the structural layer.  External heat insulation and exposed bitumen waterproofing (1974-1976) It is the main practice in northern China to set up an insulation layer under the waterproof layer.  Exterior insulation protection asphalt waterproofing (1977 now) firstly make a waterproof layer on the structural layer, then make an insulation layer, and make a thicker protective layer on the insulation layer. In China, it is called inverted roofing.  The development of asphalt waterproof construction method.


For the roof of the master, cement mortar, fine stone concrete rigid protective layer or block material can be used as the protective layer. For the roof of the non-master, the surface coloring protective coating can be painted as needed. Quality requirements.  After the EPDM waterproofing project is completed, there should be no leakage and water accumulation. Inspect the roof for leakage and accumulation of water, and whether the drainage system is smooth. Perform the closed-water test.  With this craft. The quality should meet the requirements of relevant standards. The overall laying order of coiled materials is: first high span, then low span, the same height, first far and then near, on the same facade, starting from high to low.   Primer: After the base surface is cleaned and passed the acceptance, apply the special base treatment agent evenly on the surface of the base layer, and apply in one direction, with uniform thickness, no leakage, no accumulation, and leave it in the air until it is not sticky to the touch. Elastic line, trial laying: pop up the control line on the base coating according to the actual overlap area, and strictly follow the control line to test and actually glue the coil to ensure that the coil overlap width is 6~7cm (there is on the coil Logo).





Rain, snow, frost, fog, or excessive atmospheric humidity, and windy weather are not suitable for outdoor operations, otherwise appropriate technical measures should be taken.  B, requirements for roof drainage slope. The drainage slope of the flat roof is 2% to 3%. When the slope is less than or equal to 2%, the material should be used to find the slope. When the slope is greater than 3%, the structure should be used to find the slope. The longitudinal degree of the gutter and eaves shall not be less than 1%, and the drop of the gutter bottom shall not exceed 200 mm. The slope should not be less than 5% within the diameter range of 500 mm around the Shuiluokou.


Related article: There are still differences between domestic waterproofing companies and developed countries. In the blueprint for the development of the waterproof industry in the new era, more durable and environmentally friendly polymer waterproofing membranes have received widespread attention. TPO, PVC, EPDM, HDPE and other polymer waterproofing membranes are used in large-span roofs, important public buildings, tunnels and underground projects. , Urban underground pipe corridors and other fields have been more and more applied, becoming an important force leading the technological progress of the industry and realizing industrial upgrading. Maintenance is extremely convenient and quick.  Safety, environmental protection, enjoyment: The construction adopts cement paste and does not need to use an open flame. It is safe, does not pollute the environment, saves energy, and at the same time brings people the enjoyment of life.  Construction method: remove the isolation film and paste directly on the color steel tile.  Waterproof principle: The self-adhesive layer is firmly pasted on the color steel plate to block all the parts that may see water on the color steel tile. The metal foil can provide sun protection, heat insulation, heat dissipation effect, and also has a maintenance effect on the waterproof layer.

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