北京市第十四中学屋面绿化工程

Roof Greening of No. 14 Middle School of Beijing

北京市第十四中学屋面绿化工程在原屋面基础上,选用聚乙烯丙纶双面复合防水卷材作为普通防水层、1.2 mm厚HDPE土工膜作为耐根穿刺防水层、HDPE排蓄水板作为排水层,并种植根浅、易生长养护的植物形成种植屋面。该屋面荷载未超标,关键节点防水阻根效果好,排水通畅,景观效果佳,被评为北京市2011年度园林绿化优质工程。

The roof greening of No.14 middle school of Beijing, in which shallow roots and easy living plants grows, selects polyethylene polypropylene fiber composite waterproofing membrane as waterproofing layer, 1.2 mm thick HDPE geotechnical membrane as root resistant layer and HDPE draining board as drainage layer. This planted roof was one of the 2011 annual high quality afforestation engineering of Beijing because of good effect of waterproofing, root resistance, drainage and landscape.