kingscat 发表于 2014-7-19 18:27
If this is a concrete or block wall that is below grade, you need to install a french drain. Dig dow ...
bungyjumping999 发表于 2014-7-20 15:24
even if you have finished it the French drain, it does not guaranteed it will work.
I asked a ...
bungyjumping999 发表于 2014-7-20 20:25
ask for a quote.
Drain surgeon. ------>http://www.drainsurgeons.co.nz/
mpsgen1 发表于 2014-7-21 09:04
timber retaining wall本来也不是100% water proof的,一定会有水从木头间的缝隙渗出来。retaining wall后面 ...
欢迎光临 新西兰天维网社区 (http://bbs.skykiwi.com/) | Powered by Discuz! X2 |