What kind of sand for pavers | Contractor Talk - Professional ...
2006年3月19日 · Best bet for placing interlocking pavers is a 1 inch screeded area of coarse concrete sand. The coarser the sand the better. After placing 4-6 base of crush and run or crushed concrete for side walks and 6-10 base of crush n run for driveways this will be best. Make sure it is screeded equally and no deviations.
paver driveway base material | Contractor Talk - Professional ...
2007年5月16日 · Trade Talk. Landscaping
What kind of sand for pavers | Page 2 - Contractor Talk
2006年2月25日 · The setting bed sand must be clean and free draining to avoid water accumulation, possible "floating" of the pavers, that could end being not level anymore. You would also have a teduced strength of the entire paver/base/ sub-base sytem. Since it just for a patio, you could get away with it, but it would not be allowed on larger, more critical ...
what type of base rock for retaining wall - Contractor Talk
2006年2月18日 · 1. Your local soil conditions play a considerable role in determining what best to use as both a base and a bckfill material. A well draining soil doesn't demand use of a granular base material or backfill (read 'crushed stone or gravel') material. In a typical application, gravel is used to accomplish soil drainage, not to 'bridge' unstable soils.
Best base for concrete driveway - Contractor Talk
2009年2月13日 · Sand can wash out, especially if it is fine, since it cannot be compacted and can be unstable. You can't beat a good compacted base to the proper elevation to put concrete on. Some people are sloppy and use sand as a cheap and easy leveler, but it can draw the moisture out of the slab preventing proper curing of the concrete.
gravel base compared to gravel/stone dust mix "site...
2012年3月31日 · since we are out of the same area I can fill you in a bit better. for a standard paver job you should have a minimum of a 12" excavation with 10" of back fill done in 3/4 crush gravel or "#57 stone" there should be a layer of woven geotextile under the first lift at a minimum but thats another story. the top layer should be done in concrete ...
Is road base under pavers really necessary? - Contractor Talk
2019年10月5日 · The base rock acts like an uncoupling membrane between the pavers, sand and native soil. as others said you need a higher quality base rock. It should also be properly compacted with a plate compactor and not just tamped. Proper moisture content of your base is critical as it aids in compaction.
Mortar or sand set patio? - Contractor Talk
2012年6月20日 · They are laid with tight joints on a 1" clean sand setting bed over a compacted base. After setting, some fine sand is spread over the surface and vibrated with a plate vibrator to level the surface and draw sand into the joint to create additional strength. this method is adopted by various national and international association and has been ...
Pavers around a new pool-slab or no slab? | Contractor Talk ...
2009年3月2日 · On top of the gravel install geofabric. This will prevent any sand from leaching into the gravel. On top of the fabric goes the standard paver base- 6" compaceted abc gravel then 1" sand then the pavers. One advantage of pouring a concrete apron is that your coping stone would have something substantial to adhere to.
Pavers Over Concrete - My Cousin's Method - Contractor Talk
2007年11月8日 · Spread a layer of sand over the paver and vibrate to level the pavers and create a good interlock between the units. This is the standard method of installation. The difference if you are building driveways, streets, airport taxiways or heavy duty industrial pavements would the the thickness and compaction of the road base.