HOW TO RESURFACE A CONCRETE PATIO
- Repair – fix cracks in concrete patio with sealer or filler.
- Clean – power wash and sweep away debris.
- Prep – grind your surface for the overlay to bond better.
- Mix – combine overlay components and add grit additive or coloring agents.
- Apply – spread overlay onto area to be refinished.
Can you resurface existing concrete?
Concrete resurfacing is a way to make old concrete look new again. A concrete coating is applied over the existing surface, offering a variety of color, texture and pattern options. This type of decorative refinishing can be done on driveways, patios, pool decks and even indoor floors.
Can you put a thin layer of concrete over concrete?
How Thin Can You Pour Concrete Over Existing Concrete? The thinnest that is usually used when pouring concrete, in general, is about 2 to 2 ½ inches. That also applies to this pouring new concrete over old concrete. Any thinner than 2 inches would be too thin.
Can you resurface a cracked concrete patio?
4. Create a smooth, fresh surface atop your patio by resurfacing the slab. While they don’t rot, horizontal concrete surfaces are prone to pitting, spalling, and cracking. While covering the surface with pavers is always an option, a less expensive and easier route is to resurface the slab.
How do you prep concrete for resurfacing?
How to Resurface Worn Concrete
- Step 1: Clean the Concrete. For surface preparation, wear heavy boots and protective glasses and blast off surface dirt with a gas-powered pressure washer that can reach at least 3,500 psi. …
- Step 2: Patch Spalled Areas. …
- Step 3: Spread the Resurfacer. …
- Step 4: Trowel Out the Resurfacer.
How thick does a concrete overlay have to be?
The recommended thickness of a concrete overlay should be between 1 and 2 inches. Some people will even go to ¼ of an inch in thickness, which is still sufficient depending on your needs. If you place a 2-inch overlay, you need a very rough surface on the existing slab. Ensure the surface is rough enough.
How thick should concrete overlay be?
1 to 2 in.
The minimum recommended thickness is 1 to 2 in. (25 to 50 mm) for a fully bonded concrete overlay placed on a base slab that is practically free of cracks and in which the concrete is sound, clean, and of good quality. The use of welded wire fabric reinforcement is usually not warranted under these conditions.
Will concrete overlay last?
Concrete overlays typically last 10-15 years but can last up to 25+ years if well-applied and maintained. The overlay material quality, the amount of prep work done to the concrete, and the amount of regular maintenance can impact the lifespan of a concrete overlay.
How long does a concrete resurfacer last?
A properly resurfaced floor can last from 10-20+ years. Longevity is one of the reasons proper installation and repair of the existing concrete are so important. If you pour a resurfacing coat on damaged concrete, then it won’t last long.
Can I use Portland cement to resurface concrete?
Deeply spalled concrete can be repaired with a concrete overlay. Think of this as just applying stucco to the concrete. You just mix up some sand, a little hydrated lime and Portland cement and trowel this onto the concrete.
Can you pour quikrete over existing concrete?
Yes, you can put new concrete over old concrete providing there are no issues such as significant cracks of frost heaves with your existing concrete. A new layer of concrete should be about two inches to ensure an even, strong coverage.
How do you top coat concrete?
Quote from the video:
Quote from Youtube video: So you're going to start with three and a half quarts of water. Added to an empty five-gallon bucket to that you're going to be adding a 40-pound bag of your flow coat concrete resurfacing.
How do I make a concrete overlay?
Quote from the video:
Quote from Youtube video: Simple all i want to do is take your standard paint roller grab an extension rod and start applying it to the concrete. Surface just make sure your concrete is as clean as possible at this point.
Is concrete overlay a good idea?
They’re Strong and Durable
Concrete is one of the strongest materials available for your floors. The decorative overlay consists of stain or pigments, so the floor remains as strong as ever. The floor coatings themselves are resistant to most damage, including stains and etching from chemicals or heavy equipment.
How strong is a concrete overlay?
Kummer agrees there’s nothing weak about these overlay products. He says a typical concrete job may have a tensile strength of 3,000 psi. However, his company’s new GSPEC (Green Self-leveling Polyurethane Epoxy Cement) product goes well beyond that. “The resin alone can yield more than 8,500 psi,” he says.
How do you stamp an existing concrete patio?
The Solution. The best way to get stamped concrete over existing concrete is a stampable overlay. Stampable overlays are a thick overlay capable of accepting texture from stamps. These overlays are much thicker than microtoppings but not as much as a self-leveling overlay.
Can I put stamped concrete over existing concrete?
CAN YOU DO STAMPED CONCRETE OVER OLD CONCRETE? Stamped concrete overlays can be used on new or existing concrete and on interior or exterior surfaces. They can even be applied to walls and other vertical surfaces.
How thick is stamped concrete overlay?
Stamping usually takes at least 3/8″ of Stamp Overlay Mix so it is thick enough to be able to use a nice stamp with good texture.
