December 3 2012 by bob borson 39 comments.
Finishing an existing concrete slab floor.
Cost of polished concrete floor.
Polishing an existing slab to achieve beautiful polished concrete floors.
Contents concrete floor slab construction process1.
It s not unlike refinishing hardwood floors.
While pouring concrete over an existing slab is possible there are a number of challenges if you choose to go down that route.
A polished concrete floor costs 2 690 on average with most homeowners paying between 1 540 and 3 840 polishing 200 square feet of existing concrete could cost anywhere from 600 to 6 000 or up to 6 600 if you need concrete poured.
A concrete floor can be a good choice if you have an existing slab foundation and a home style that is a good stylistic fit for the polished gleam of honed concrete.
Buy precast cement pads.
This gives you the ability to expose concrete floor slabs hidden by other floor coverings such as carpet or vinyl tile or add a finish to a concrete basement floor.
Sources i ve seen state that nearly any concrete floor can be polished so long as it is structurally sound.
Assemble and erect formwork for slab2.
This is also a good move if the existing slab has been damaged by water or rain or if it has been poorly poured.
Prepare and place reinforcement for slab3.
Ensure floor is suitable for polishing.
Many floor finishes including staining dyeing polishing and decorative coatings can be applied to existing concrete as well as new concrete.
Here are just a few of the innovative ideas for finishing a concrete floor.
Many people appreciate the low cost of concrete floor especially when considering the long life this floor will enjoy you may never need another floor covering.
Floors that are very porous need extensive patching or are wavy are probably not good candidates.
Homeadvisor s concrete slab cost calculator gives average installed concrete costs per square foot or size 30x30 24x24 40x60 for garage floors sheds backyard slabs and more.
You can also see where the newly poured slab meets the existing brown stained concrete slab.
Scoring uses circular saws with special blades to cut shallow grooves and shapes into the floors.
Imperfections when polishing an existing concrete floor or any concrete slab it is always difficult to tell what will happen after the first cut is made.
Special stains with chemicals that react to the lime in concrete can be painted or applied to the floor to make intricate designs.
Pour compact and finishing concrete floor slab4.
Despite having conversations with the concrete contractor about trying to match the mix of the existing concrete it was nearly impossible because the sand and aggregate would.
New slabs need to cure for 28 days before polishing.
Concrete floor slab construction process includes erection of formwork placement of reinforcement pouring compacting and finishing concrete and lastly removal of formwork and curing of concrete slab.
