How Do You Paint Over Old Concrete?

What is the best waterproofing paint for concrete?

KILZ® Basement & Masonry Waterproofing Paint is a premium, interior/exterior waterproofing paint designed for porous concrete and masonry surfaces..

Is it better to stain or paint concrete?

Floor and concrete stains are usually easier to apply than paints, but they require more frequent reapplication to keep looking fresh. Rather than coating the floor in one entire color, concrete stains create a pigmented, marbled effect.

How do you paint over a concrete floor?

Use a durable, oil-based epoxy paint that has been formulated to withstand the abuse of automobile traffic when painting garage floors. Remove all flaking, peeling paint using a scraper and wire brush. Smooth and sand rough edges using 100-grit sandpaper. Sweep the floor of all dirt and paint flakes using a broom.

How soon can you paint after etching concrete?

24 hoursAllow the surface to dry completely before applying any coatings, paints, stains or sealers. Two gallons of mixed etching solution will cover up to 500 square feet. Allow to dry for 24 hours before staining, sealing or coating.

What paint will stick to concrete?

Masonry paint (also called elastomeric paint or elastomeric wall coating) is a good choice for concrete painting because it contains binders that contract and expand with the concrete. Exterior house paint can crack and peel on concrete.

Do I need to prime concrete before painting?

Generally speaking, priming is so essential to successful painting outcomes, concrete will always needs a primer. However, the existing surface needs to be primed before painting if: It is unpainted. It is peeling.

Do you have to sand concrete before painting?

Before you start, remove any loose or peeling paint by sanding with medium-grit sandpaper or wire-brushing the surface. If necessary, de-gloss any glossy surfaces by scuff-sanding or using a chemical deglosser. For your safety, wear protective clothing, eye goggles and acid-resistant rubber gloves and footwear.

Do I need special paint for concrete?

The best paints for concrete contain binders that allow the coating to contract and expand with concrete as it cools and warms. Concrete porch and patio paints are frequently low-luster acrylic latex paints designed to conceal imperfections and resist fading, scuffing, cracking and UV damage.

Will regular paint work on concrete?

Selecting the Paint Latex acrylic paint for concrete floors would be the best choice for indoor concrete but not for any high traffic areas. Outdoor concrete would weather best with an epoxy paint finish because it’s able to withstand any harsh elements it may encounter, including vehicles.

How do you paint concrete?

Allow to dry for several days.Sand and Vacuum the Floor. Sand off any old paint or any other uneven areas. … Fill Cracks and Holes. If the surface of your floor is cracked or rough, mix concrete patch compound, following package directions. … Apply Primer. … Apply Epoxy Paint. … Apply Masonry Sealer.

Is there spray paint for concrete?

You won’t find many spray paints specifically designed for concrete, but that’s okay. You can’t go wrong if you use an acrylic latex paint rated for exterior work. On clean, bare concrete, the paint will soak into the pores to form a strong bond. … You can also use spray paint for dry-brushing over the base coat.