What is the proper spec for a residential driveway ? If i use 4" ID-3 is it necessary to install a 1" topper . | |
If possible send me the spec that is for eastern Penna Pocono Mountains
Answers:
From: Nikolai Andersen
yes it is necessary. better to cover it up with protective layer as well.
Back
Add Your answer to this question: | |
|
|
 |
Powered by Yahoo! Answers
|