Sorry

crack outside is a bigger concern since water can get into the crack and freeze thus enlarge the crack.

If it is indoors, it's less a problem.  Not sure how to help you, it's not a legal question 

所有跟帖: 

Big thanks! -老生长谈- 给 老生长谈 发送悄悄话 (0 bytes) () 12/11/2019 postreply 20:58:55

请您先登陆,再发跟帖!