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Answers (4)
- BrandonHandyman . com, "_Realtors_Fix It Guy"
- Contributions:31
Ahhh, the nuances of longevity!
Hey, let's face it... those 3 Romans used both sand and granite. Many of those cobbled paths/roads are still withstanding! But the sands in Florida are far superior when used as keys.
Have fun with your project.
regards,
Stan
- sparky.06
- Contributions:3
- Raymond Sinsley, "Timber Creek Const."
- Contributions:195
hope this helps !
http://www.empirepavingsystems.com/Empairmethod.html
http://www.empirepavingsystems.com/Empairmethod.html
- John Stewart, "nwhome.us"
- Contributions:2155
Let's assume that when you say "gravel base" you mean crushed rock. Any rock that has been crushed or fractured will lock itself together to make a firm base. Standard gravel actually acts as a liquid and flows even if it is compacted.
The finer layer of material is meant to be easier to set the finished stone (pavers, bricks, whatever) into and it also needs to be able to lock (key) into the base course. Crushed rock usually has some fines in it and when it is used as a base coarse it provides plenty of support for anything that is graded less than 1/4".
Your question, I think, is more regional than structural. Whether the material is granite or basalt (or whatever the regional builders sand is made of) the nuances of longevity are going to outlast either of us and many following generations. The more important issue is the sieve (grade of fineness) and what type of material you are setting into it.
The finer layer of material is meant to be easier to set the finished stone (pavers, bricks, whatever) into and it also needs to be able to lock (key) into the base course. Crushed rock usually has some fines in it and when it is used as a base coarse it provides plenty of support for anything that is graded less than 1/4".
Your question, I think, is more regional than structural. Whether the material is granite or basalt (or whatever the regional builders sand is made of) the nuances of longevity are going to outlast either of us and many following generations. The more important issue is the sieve (grade of fineness) and what type of material you are setting into it.
Which is the best 2nd layer when building a paver patio sand or granite dust?
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