How deep should a shell driveway be?
The short answer is about three inches of shell over a compacted base, but the depth people usually get wrong is the one underneath.
Articles
Worth reading before you call
The questions we get asked standing on driveways, answered at length. Written for people deciding what to do with theirs.
Shell or gravel: which holds up better?
They cost about the same and go in the same way. The difference shows up two or three years later, in how each one fails.
Keeping the shell out of your lawn
Shell migrating into the grass and beds is the most common complaint about these driveways, and it is almost entirely an edging problem.
Looking for a quick answer instead? The FAQ page covers the short versions.
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If you would rather someone just looked at the driveway and told you, that is free and it takes a few minutes.
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