用聚苯板作外墙保温好不好?
请问用聚苯板作外墙保温效果好不好?
推荐回答(4个)
好。
聚苯板外墙保温中砂浆有两种,一种是用于粘贴聚苯板的粘结砂浆,一种是用于面层的抗裂砂浆,粘结砂浆的用量与砂浆的涂抹方式、基层的平整度有关,不同工地对砂浆的涂抹方式也不相同,如面层要贴砖就要求聚苯板满粘,如果是刷涂料一般要求采用点框法粘贴聚苯板。面层的抗裂砂浆也类似,如果面层刷涂料,一般要求抗裂砂浆的厚度为3-5mm,如果是面砖的话,抗裂砂浆要求厚度为10mm。点框粘法平米粘结砂浆用量3-5公斤,满粘法4-8公斤,抗裂面层1mm用量为2公斤。往往施工人员在施工时都不按要求去施工,他们主要是想节省砂浆用量,自己就不用总去调制砂浆。
从材料来说,现在市场上常用的建筑外墙保温材料,按照保温效果的好坏排列,有以下几种:
1、聚氨酯 导热系数:0.022-0.027
2、挤塑板(xps) 导热系数:0.026-0.035
3、聚苯板(EPS) 导热系数:0.038-0.047
4、聚苯颗粒保温砂浆 导热系数:0.05-0.08
从上你可以看出,聚氨酯的效果是最好的,其次就是挤塑板了。聚苯颗粒保温砂浆由于其保温效果比较差,已逐步被淘汰,很多地方应经不允许使用。 目前市场上主要使用的还是聚苯板,这是因为聚苯板可以满足现在大部分地区的节能要求,而且价格相对前面2种材料要便宜。
但是随着建筑节能标准的在一步提高的话,那EPS的使用就会受到限制,那时挤塑板和聚氨酯就会成为最主要的保温材料。
万嘉节能以提供建筑节能系统解决方案著称,公司自主研发拥有核心专利15项,注重学习创新的过程中与西南交通大学建立产学研合作,是高校节能研发基地。目前公司已发展成为集产品研发、生产、销售、施工安装指导于一体的节能综合服务商。公司在北京、上海、广州、武汉、成都成立了分公司,拥有员工500余名,经销特约合作商两百三十余家,公司年销售额近10亿,产品远销非洲、美洲和澳洲等地
“Vanka”系列保温装饰系统是由XPS、pu、铝板、无机树脂板为保温层进行复合,饰面层采用高耐候氟碳涂料,根据客户个性化需求进行色彩配置而成,充分体现了该材料保温装饰的统一性,避免了传统保温结构疏松、空鼓、分立开裂、脱落、翻新困难、易脏变色等弊端;
(1)高效保温隔热效能
“Vanka”系列保温装饰板导热系数为0.045W/m.K,完全满足冷热桥对外墙保温性能的要求;
(2)轻质高强
“Vanka”系列墙面保温系统采用的轻质保温装饰材料,自重轻的特点最大限度降低了墙面的承重;
(3)结构安全
“Vanka”系列保温装饰板采用专业粘结剂将复合板与墙面进行永久性粘结,配合专业扣件锚固,从而使整个系统安全可靠。
(4)施工方便
施工时不需要安装龙骨,材料可根据需要切割成任意尺寸;
(5)耐候性好
(6)具有难燃(B2级)性;
(7)抗冻融性好
(8)保温装饰一体化,装饰效果易实现性;
“Vanka”系列保温装饰板采用的氟碳烘烤工艺使饰面层具有抗污、抗划、抗腐蚀、耐久性好、色彩稳定的特点,超越了传统墙砖、涂料视觉效果。
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