Installing Flagstone Over Concrete Slab

Called soldier rows these outside bricks create a stable frame for the inside pavers.

Installing flagstone over concrete slab.

The flagstones are placed in the bed of mortar and then the joints are filled with either sand or additional mortar or colored grout. Before you begin make sure your concrete is properly sloped and doesn t puddle. These are the easiest type of flagstones to use as they install similarly to ceramic tile. While it s recommended that you lay a 4 to 6 inch base layer of pea gravel or sand beneath your flagstone path do it yourselfers laying flagstone over cement generally skip this step.

To install flagstone in this method wet mortar is applied either directly on a subbase of compacted gravel and sand or to an existing concrete slab. Flagstone its beautiful and rustic appearance makes it the perfect choice for homeowners that are looking to build a new patio driveways or walkway or just want to update an existing patio. Because you already have the concrete patio you are eliminating the often time consuming task of having to pour a slab of concrete before laying your stones. Cut flagstone is easier to work with but is more expensive.

You ll have the freedom to play around with different layouts and patterns in order to create an outdoor living space that gels with your unique personality. The biggest problem with laying pavers over a concrete slab is the inability for water to drain through the blocks and down into the earth. Prepare the cement walkway for the flagstone. Remove broken pieces of slab brush off debris and use a level to ensure that the cement sections are flat and even.

Lay bricks around the concrete slab s outside edges with brick narrow sides facing outward. Installing pavers over concrete enables you to get creative with the look and style of your patio. This page will focus on the installation of the random flagstone. Keep this drainage slope in mind when adding your pavers and make sure the edge that drains water stays low and permeable.