The thickness of the overlay defines the method of slab preparation.
Thin concrete floor overlay.
It doesn t need to be thin enough to pour like a liquid but not so thick that it clings to a trowel.
As you can see concrete overlays can be used for many kinds of projects.
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Concrete overlay installation checklist remove all crumbling concrete and dust overlay stones no larger than 1 3 thickness of the overlay use secret cement paint to bond overlay to the old concrete dampen old concrete slightly before applying the cement paint cover the overlay with plastic to cure.
Overlays can be paper thin or several inches thick.
A decorative concrete overlay or microtopping is a great solution for restoring and enhancing worn damaged or discolored concrete floors.
Micro topping can be utilized in a variety of different thin concrete overlay functions.
Sika s scofield s texturetop pro stamp grade and stencil grade concrete overlays are polymer modified cementitious toppings formulated for resurfacing structurally sound non moving concrete floors and exterior hardscapes.
Overlays can be applied as thin as a feather finish up to in most cases 3 4 depending on the desired finish.
You must work fast to coat the entire area and avoid creating seams in the.
The depth of the profile increases with the thickness of the application.
Overlays can also be placed over other flooring materials such as vinyl tile or wood.
You can use them to repair concrete for ultra thin toppings for decorative stamping and staining and to level a floor that s tipped or pitched the wrong way.
Concrete overlays however are only as good as the substrate it is being applied to.
A thick milkshake is a good example.
This article will focus on applications inch thick and less.
Preparation must create a surface profile free of bond inhibiting material.
A concrete overlay is a thin color concrete cement based products that go over existing concrete for repair or decorative reasons.
An overlay can be much less expensive than a complete demo and replace with new concrete.
Mix up a concrete overlay using 2 1 2 parts sand and 1 part portland cement.
The thin mix is laid over the old concrete slipping into cracks and crevices hardening quickly into a smooth surface.