Euro Pierres

Laying techniques


  1. Masonry joints
  2. Natural joints

Things to remember about masonry joints:

Masonry joints have the advantage of allowing easy maintenance of your paving. The techniques used to create them differ according to whether you are using stones which require wide joints or tiles mainly used to create patios.
In the first case, simply fill in the joints with rough grouting (1/2 cement + 1/2 lime) or white cement, using three parts sand to one part binder.
In the second case, which is that of traditional floor tiling, the laying process is more delicate. The joints are filled in by spreading a liquid mortar over the tiles (1 part cement for 1 part fine sand). This requires very careful cleaning of the tiled surface afterward.

Masonry joints in pictures

  1. Masonry joints
    For stone paving, wet the joints, fill them with mortar then smooth them off carefully with a trowel.
  2. Masonry joints
    Stones splashed with cement should be cleaned promptly, before the cement has time to set.
  3. Masonry joints
    For tiled surfaces, spread a thin layer of liquid mortar over the whole surface, then distribute it evenly by brushing in all directions.
  4. Masonry joints
    Wait 20 minutes, then remove the excess mortar using a large squeegee.
  5. Masonry joints
    Sprinkle the joints with dry or powdered cement to accelerate the mortar setting process.
  6. Masonry joints
    Then clean the tiled area in small sections at a time and smooth over the joints using a cloth wrapped into a ball.

Masonry joints

In this section there are two major types of joints: sand joints, which are simply filled with sand, and grass-covered joints:

  • sand joints are appropriate for surfaces where the average distance between paving stones is from 0.4" to 2" (1 to 5 cm).
  • Grass-covered joints can be wider: on average from 2.4" to 3.2" (6 to 8 cm), with a maximum of 4.8" (12 cm). After preparation, allow grass to grow between them or plant them with strong-rooted rockery plants.

Note that you can only use grass-covered joints when your paving is laid directly on the ground or on sand, as no vegetation can grow through concrete foundations.
It is nevertheless possible to grass over a driveway using specially-designed perforated paving stones.

Natural joints In pictures

  1. Technique for laying natural stone
    For sand joints, spread a layer of filtered sand over the paved surface.
  2. Natural joint paving finish
    Use a hard brush to push the sand into the joints.
  3. Natural joint paving finish
    Spray water all over to make the sand settle down into the joints. Repeat the operation if the joints are not full enough.
  4. Natural joint paving finish
    To create grass-covered joints, scrape out the joints until you reach soil and then fill them with a mixture of soil and compost.
  5. Natural joint paving finish
    Sow grass seed in spring or in the fall. Sow the seed then cover with fine soil.
  6. Natural joint paving finish
    Lightly tap down to compact the soil. No need to water.

Did you know?

Sedimentary rock

Sedimentary rocks are the result of the accumulation and compacting of mineral debris (i.e. other stones), organic debris (animal remains and vegetation, fossils), or chemical precipitation.

They are exogenous rocks, i.e. rocks which are formed on the surface of the Earth. Sedimentary rocks are present on 75% of the surface of the Earth's continents, but when considering its crust as a whole (from the surface to a depth of 22 miles (35 km)), they only represent 5% of its total volume.

The main sedimentary rocks are:

  • sandstone
  • sand
  • siltstone
  • loess
  • clay
  • shale
  • coal
  • oil
  • limestone
  • chalk
  • etc.

SOURCE: Wikipedia

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