A ton of stone covers about 120 square feet.
How to install flagstone over concrete steps.
Concrete makes a serviceable patio walkway or driveway but with stones and brick you can add color and design for an aesthetically.
They are more difficult to install than regulated flagstone and require significantly more physical effort.
Installing stone or brick over an existing concrete pad is not very difficult but it will take some time.
Prepare the cement walkway for the flagstone.
Step 4 install the lath photo by kolin smith.
Cut stone is flagstone finished with straight edges and square corners.
For flagstone that is two inches or more in thickness one ton will cover 70 to 80 square feet.
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.
Whatever type of flagstone you choose it must be at least 2 inches thick to avoid breakage.
It ranges in size from about 1 foot to 4 feet across and comes in different thicknesses.
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.
How to install stone or brick over an existing concrete pad.
In addition installing stone or brick over a concrete slab can cover unsightly cracks or breaks in the concrete.
Typically though flagstone under one inch in thickness is not recommended as it may crack or break with too much weight or foot traffic.
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First lay lath over the landing and steps and use tin snips to trim sections for the sides that overlap the steps by 2 inches.
Adding stone or brick to a concrete patio or porch can add a new level of sophistication and beauty to an outdoor area.
For flagstone that is an inch to an inch and a half thick one ton will cover 90 to 100 square feet.
For the mortar to grab you must either scarify the concrete with a grinder or add a scratch coat like we did.