This makes it ideal for both new pool construction in addition to for pool renovations for the explanation that membrane can be placed over any pool floor. The built-in insulation integrated inside the ICF system serves to curtail heat loss and maintain pool temperatures, effectively insulating the pool’s inside from the colder soil surrounding the pool construction. Some manufacturer... http://bbs.lingshangkaihua.com/home.php?mod=space&uid=3911042