Can I skim coat over concrete?

Asked By: Neves Ruiz De Alda | Last Updated: 28th April, 2020
Category: business and finance construction industry
4.1/5 (46 Views . 43 Votes)
If your driveway has excessive chips that detract from the overall beauty of your front yard, skim coating it will significantly improve the appearance. Pouring a thin, new layer of concrete over the old surface will smooth out any chips or pits and give you the opportunity to add color.

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Simply so, how do you skim coat concrete?

Spread the cement onto the wall, using the flat side of the trowel to smooth the cement. Remove excess cement using the edge of the trowel in a scraping motion. Apply a thick enough coat to cover the surface with an even coat of cement. Allow the skim-coat to dry for 24 hours before painting.

Similarly, can concrete be skim coated? Skim coating concrete entails applying two layers of finish. The first layer is Thin Finish and it should be 1/8 inch thick. Spray the driveway with a hose so the finish will form a strong bond with the concrete. Spread the Thin Finish with a squeegee and wait for it to dry.

Similarly one may ask, can I pour concrete over existing concrete?

If the existing concrete is in good shape structurally, you can pour new concrete over it to freshen it up. Proper prep work is key to success when layering new concrete over old. If the existing concrete is in good shape structurally, you can pour new concrete over it to freshen it up.

How do you resurface old concrete?

Pour the resurfacer onto the concrete in one-foot wide strips. Scrub the material into the concrete surface using a long handled squeegee. Evenly spread the resurfacer back and forth onto the slab. Apply a non-slip finish using a concrete broom after about 5 minutes.

27 Related Question Answers Found

What is concrete skim coat?

So just what is a concrete skim coat? It is a thin layer of a polymer enhanced cement that we skim over your existing concrete slab. By that we mean it is cement that has a special glue mixed in with it that allows it to stick on to concrete in a thin layer.

Does concrete resurfacing last?

Thanks to its advanced bonding properties, concrete resurfacing can last for quite a while. A properly resurfaced floor can last from 8-15 years.

What is the best concrete resurfacer?

The best concrete resurfacing material is the Quikrete Concrete Resurfacer (No 1131). The QUIKRETE® Concrete Resurfacer (No. 1131) is a special blend of Portland cement, sand, polymer modifiers and other additives.

How do you smooth concrete?

use steel finishing trowel for smooth texture
To finish the concrete, use a steel finishing trowel to achieve a smooth texture. The tool brings water to the surface of the concrete. Don't use too much water, but at the time same time, work the tool to create a smooth finish.

How much does it cost to skim coat concrete?


Cost to Skim Coating
Item details Qty High
Unused Minimum Labor Balance of 4 hr(s) minimum labor charge that can be applied to other tasks. 0.0 h $0
Totals - Cost To Skim Coating 500 SF $544
Average Cost per Square Foot $1.09

Can you pour concrete over dirt?

Pour concrete over a solid, well-drained base
Because concrete slabs “float” on the soil, soft ground or voids underneath may cause unsupported areas to crack under heavy weight like vehicles. Pack about 4 in. of sand or gravel over clay and other poorly draining soils to provide even support.

How do you make a sloped concrete ramp?

To create the slope of the ramp, build the sides of the form with pieces of plywood cut at an angle along the top. The key to shaping the concrete into a slope is to use a stiff mixture; if the concrete is too wet, it will slump down to the bottom of the ramp, seeking its own level.

What can I do with old concrete slabs?

Ways to Recycle and Reuse Old Concrete
  1. Lay paths, walkways, or stepping stones.
  2. Build raised garden beds.
  3. Stack it to make a garden bench.
  4. Build retaining walls.
  5. Lay a driveway.
  6. Create a fountain, pond, or water feature.
  7. Use it as pavers to create a terrace or patio.

What is concrete resurfacing?

Concrete resurfacing is a process by which concrete is cleaned, repaired, and overlaid with a new surface. Here is an overview of the steps involved for this fix to aging concrete: Cleaning.

How do you apply bonding adhesive to concrete?


Shake the container of concrete bonding adhesive vigorously for a couple of minutes before opening it. Then, pour a portion into a separate container and dilute with clean water; mix about one part adhesive with two parts water. The first application will serve as a primer for the final coat.

What's difference between concrete and cement?

The difference between cement and concrete
Although the terms cement and concrete often are used interchangeably, cement is actually an ingredient of concrete. Concrete is basically a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and portland cement.

Do concrete overlays crack?

But overlays are only as good as the subbase they are applied to. They are not intended to fix bad concrete. If you put an overlay directly over a cracked surface, the overlay is likely to crack as well.

Can concrete be resurfaced?

As long as your walkway isn't cracked all the way through, you can coat the slab with a concrete resurfacer, a no-shrink blend of Portland cement, sand, and polymer additives that fills divots and makes a uniform finish. Resurfacing takes most of a day, but your walkway will be back in pristine shape once you're done.

How do you repair skim coated concrete?

Jason Cameron and crew repair a crumbling concrete porch and steps.
  1. Introduction. Remove Loose Pieces and Debris.
  2. Tape Off the Edges. Tape off the edges where you don't want new concrete.
  3. Fill the Holes.
  4. Add a Second Coat.
  5. Spray Water.
  6. Use a Concrete Finishing Broom.
  7. Work the Concrete Into the Pores.
  8. Add the Skim Coat.