b**y
发帖数: 16 | 1 Tar and gravel roof隔热太差，想换成closed-cell foam roof，问题：
1）foam roof是不是经济实用的选择？有啥注意事项？
2）能不能在现有的房顶上直接喷上foam？貌似现有房顶不漏水。
3）在南湾要多少$／sq ft？
4）有没有靠谱的contractor推荐？
谢谢！ | b**y
发帖数: 16 | 2 刚刚拿到quote，好贵: $8.5/sq ft | n***s
发帖数: 10056 | | b**y
发帖数: 16 | 4 $8.5 looks good? 看来加州是啥啥都贵，啊－－－
roofing-installers.com (serving AL, GA, NC, FL, TX):
"A spray foam roof is also fairly inexpensive, especially for a commercial
roof product. We install this type of roofing for, on average, between $3.50
and $4.75 per square foot. " | n***s
发帖数: 10056 | 5 no, flat roof looks good.
50
【在 b**y 的大作中提到】
: $8.5 looks good? 看来加州是啥啥都贵，啊－－－
: roofing-installers.com (serving AL, GA, NC, FL, TX):
: "A spray foam roof is also fairly inexpensive, especially for a commercial
: roof product. We install this type of roofing for, on average, between $3.50
: and $4.75 per square foot. "
| b**y
发帖数: 16 | 6 又Quote了一家, Dura-Foam： 5.5/sq ft
有人用过这家吗，Yelp上review不太好，心里没底 |
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