No further details provided
Is crushed rock needed under concrete driveways? Ken Vancouver, Wash.
May 12, 2014
1 Replies
Follow replies to this discussion?
First reply
Yep. The rock takes up unevenness, absorbs ground movement and even lets flooding water pass through or dry out harmlessly. Oh, and, its required by Building Codes/Laws/Regulations.
Read the full replyInformation here may be outdated?
Yep. The rock takes up unevenness, absorbs ground movement and even lets flooding water pass through or dry out harmlessly. Oh, and, its required by Building Codes/Laws/Regulations.
Join the Discussion
Have something to add? Share your thoughts — no account required.
Didn't find your answer?
Ask the community — no account required