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How to install flagstone over concrete steps.
For flagstone that is an inch to an inch and a half thick one ton will cover 90 to 100 square feet.
Remove broken pieces of slab brush off debris and use a level to ensure that the cement sections are flat and even.
Whatever type of flagstone you choose it must be at least 2 inches thick to avoid breakage.
You cannot use normal thinset mortar with natural flagstones because of their varied thickness which means a bed of sand and concrete is required to cushion the stones and leave the finished surface uniform and flat.
They are more difficult to install than regulated flagstone and require significantly more physical effort.
For flagstone that is two inches or more in thickness one ton will cover 70 to 80 square feet.
Installing stone or brick over an existing concrete pad is not very difficult but it will take some time.
For the mortar to grab you must either scarify the concrete with a grinder or add a scratch coat like we did.
Adding stone or brick to a concrete patio or porch can add a new level of sophistication and beauty to an outdoor area.
In addition installing stone or brick over a concrete slab can cover unsightly cracks or breaks in the concrete.
How to install stone or brick over an existing concrete pad.
Prepare the cement walkway for the flagstone.
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.
A ton of stone covers about 120 square feet.
It ranges in size from about 1 foot to 4 feet across and comes in different thicknesses.
Step 4 install the lath photo by kolin smith.
Typically though flagstone under one inch in thickness is not recommended as it may crack or break with too much weight or foot traffic.
This flagstone patio installation video will teach you everything that you need to know for laying stone in concrete.
Cut stone is flagstone finished with straight edges and square corners.