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形成"热桥"会带来哪些影响

来源:http://www.sdyingxu.com/news/65.html 发布时间:2017-05-16
外墙保温技术归纳起来可以分为两大类:单一材料和复合外墙。单一材料,即采用单一的保温、隔热性能指标好的产品作为墙体材料,达到节能标准的要求。。
External wall insulation technology can be divided into two broad categories: single material and composite exterior wall. Single material, that is, the use of a single insulation, insulation performance indicators of good products as wall materials, to meet the requirements of energy efficiency standards..
复合墙体,即在结构墙体上复合保温隔热材料。按照复合方法可分为三种:
Composite wall, that is, composite thermal insulation material on the structure wall. According to the composite method can be divided into three kinds:
1.夹心保温做法,把保温材料(聚苯、岩棉、聚氨酯等)放在墙体中间,形成夹心腔。
1., sandwich insulation method, the insulation materials (polyphenylene, rock wool, polyurethane, etc.) placed in the middle of the wall, forming a sandwich cavity.
2.外保温做法,在墙体外侧增加保温措施。粘贴聚苯板或现场喷涂聚氨酯等。
2. external insulation practices, increase insulation measures outside the wall. Paste polystyrene board or on-site spray polyurethane.
3.外墙外保温体系是应用比较广泛的技术,外保温的热工效率高,不占用室内空间,对保护主体结构有利,可延长房屋的使用寿命,适用于现有房屋的节能。
3 exterior insulation system is widely used in external insulation technology, thermal efficiency is high, does not occupy the indoor space, is favorable to the protection of the main structure, which can prolong the service life, energy saving for existing homes.
4.内保温做法,在外墙内侧贴保温板或抹聚苯颗粒胶粉。但是内保温做法在内外墙交接处、圈梁处等部位会形成“热桥”,出现结露现象。一旦出现问题,维修时对住户影响较大。
4., internal insulation practices, in the outer wall with insulation board or polystyrene powder. But in the practice of thermal insulation in external walls and beam at the junction and other parts will form a "bridge", dewing phenomenon. In case of problems, the maintenance will have a greater impact on the occupants.
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