Stone Dust For Patio Pavers

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Stone dust for patio pavers.

You should also consider that stone dust has a higher ph than the ground which may cause the pavers to deteriorate over time. A layer of bedding sand is then spread on top of the base material to cushion the pavers and keep them in place. It can be smoothed to create a very flat surface and it is strong enough to support the weight of stone pavers which can be quite significant. At one time it was considered a waste material but it s now being used in agricultural applications to increase soil fertility and change the ph level of the soil.

Ideally this sand should be coarse and granular. When it comes to building walkways or patios with interlocking concrete pavers there s one material commonly used for bedding that s fallen out of favor although not with everyone in a big way. Use a rigid but moderately flexible edge guard to define the area. Make the area as level as possible using a screed look.

The most common use for stone dust is as a base layer or setting bed for laying stone pavers. Stone dust is widely used as a setting bed for any of the various types of stone pavers flagstone pavers such as bluestone being an example used by homeowners in small projects. Inferiority of stone dust also called rock dust stone dust is more prone than sand to settling and drainage problems when used as a. Types of sand used for pavers most people are familiar with the idea that stone pavers must be laid on top of a layer of sand.

Once the pavers have been laid on the sand the joints must be filled to create an even surface that will not slip or slide out of place. When compacted the edges will grind together locking the layer of sand in place which helps to prevent erosion or movement. The real downside to stone dust is that it can be affected by frost. First a bed for the pavers must be excavated and filled with crushed stone or gravel.

Use 4 inches of stone dust but apply 2 inches first then compact it with a manual or mechanical tamper then. Rock dust and sand are two common bedding options for pavers. I used aluminum about 4 inches tall. Ground frost will swell up water below the dust which can then force up the patio.