Overpouring Old Concrete with New Concrete
  1. Step 1: Clean the surface thoroughly.
  2. Step 2: Dig a 6″ wide trench around the surface on all sides to create room for 2*4 forms.
  3. Step 3: Stake 2*4 forms flush against the sides of the concrete slabs, 1″ to 2″ above the concrete surface (make sure height is even).

Also to know is, can you pour concrete over old concrete steps?

Any of these are good reasons to remove the existing concrete and start from scratch. However, if your concrete is relatively sound and raising its elevation a few inches would not create problems, then you can pour new concrete directly over the old.

One may also ask, 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.

Similarly, can I pour new concrete over old?

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 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.

Related Question Answers

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 make concrete steps safer?

There are many different types of finishes that you can use to make freshly poured concrete steps safer.
  1. Wood Float and Broom.
  2. Rock Salt Finish.
  3. Porous Trowel Finish.
  4. Seeded Aggregate.
  5. Silica Sand.
  6. Painting.
  7. Slip-Resistant Tape.
  8. Artificial Grass Carpet.

How thick does a concrete overlay have to be?

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.

Is it OK to pour concrete in cold weather?

Never pour concrete over frozen ground, snow, or ice. Concrete in cold weather is recommended to have a low slump, and minimal water to cement ratio, to reduce bleeding and decreases setting time. Use concrete curing blankets to prevent freezing and keep the concrete at an optimal curing temperature.

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 thick should concrete overlay be?

Cement or concrete overlay thicknesses can range from 1/4 inch thick up to a full 2 inches or more.

When can I remove concrete forms?

Many concrete professionals remove the forms the day after the pour is completed. However, forms can be removed as soon as the concrete exhibits enough strength not to crack as the forms are pulled away. This is sometimes done on large projects where forms are reused in another part of the pour.

What is the minimum thickness of a concrete floor?

Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.

Can you put pavers over concrete?

According to several paver manufacturers, paving blocks can be installed on top of concrete without mortar if you first lay down a 1/2″ to 1” bed of coarse sand. The process is nearly identical to laying a paver patio over ground. Before you begin, make sure your concrete is properly sloped and doesn't puddle.

How do I resurface my front steps?

To repair and resurface concrete steps:
  1. Use a chisel and wire brush to rough up the surface and remove any loose concrete.
  2. Clean the surface thoroughly to remove any dust.
  3. To repair missing edges, make a wooden form to hold the concrete in place while it sets.
  4. Cover surfaces that will not be repaired with masking tape.

Is concrete resurfacing expensive?

Concrete Resurfacing Costs. The average cost to resurface 100 square feet of concrete is $400. Less expensive projects can run as little as $300 while more expensive ones are about $500. Concrete with a decorative overlay typically ranges in price from $7 to $12 per square foot while stamped concrete costs $8 to $20.

How heavy are concrete steps?

3ft. Wide Steps
361SWP1 Step with Platform450 lbs.
362S2 Step375 lbs.
362SWP2 Step with Platform975 lbs.
363S3 Step650 lbs.

How much does it cost to replace concrete steps?

On average, concrete steps cost around $2,000. Most projects range between $900 and $5,000. Where your price falls depends on the number of steps and the size of the staircase you need. Pouring cement is about $300 per step at 2 feet wide and 11 inches deep, including materials and labor.

How do you build a concrete porch step?

How to do it
  1. Lay Out Footings. Lay out footings 3 inches wider than the steps.
  2. Outline Steps.
  3. Check Square, Level, and Plumb.
  4. Install Riser Forms.
  5. Attach Braces.
  6. Fill with Rubble.
  7. Add Rebar.
  8. Mix and Fill with Concrete.

How do you fix concrete steps that are pulling away from house?

How to Fix a Concrete Step That Pulled Away From the Walkway
  1. Brush out the damaged area with a wire brush to remove loose dirt and dust.
  2. Paint a thin layer of concrete bonding adhesive over the entire area that requires repaired.
  3. Mix quick-setting concrete with water per product instructions to create thick cement putty.

How do you attach wood to concrete without drilling?

Here is a very easy method for attaching that wood to concrete without using all those concrete anchors. You will need a hammer drill, 20 ounce hammer and some 16d nails. Insert a 1/4″ masonry drill bit, 4 or 6 inches long, into the hammer drill. Drill through the wood and into the concrete.

How do you attach wood to concrete?

  1. Align the concrete with the wood block. Mark where you will drill in both with a permanent marker.
  2. Predrill a hole in the concrete. Drill a hole into the concrete approximately 14 inch (0.64 cm) deeper than your concrete fastener.
  3. Drill a hole through the wood.
  4. Drive the anchor through the wood and concrete.

Can I put decking over concrete?

Even if your patio is in terrible shape, you can deck over it. (depending on the thickness of your decking and whether or not you put spacers under the sleepers). So any door thresholds adjoining the patio must be at least that far above the concrete.

Can you cover a concrete porch with wood?

Covering a concrete porch with wood provides a warmer, cozier feel. It is also a good way to cover up peeling paint, slight chipping and discolored concrete. Whatever your reasons, adding a wood floor to your concrete porch is a fairly simple operation.