Repairing Guides

how to repair a cracked concrete planter

by Karl Abernathy Published 2 years ago Updated 2 years ago
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How to Repair a Cracked Concrete Planter

  1. Empty the Concrete Planter. Remove the contents of the planter and transfer them to a temporary container. ...
  2. Scrub the Crack. Use a rough brush to scrub the surface of the crack and remove any loose concrete that is trapped inside.
  3. Apply Mortar. ...
  4. Wrap the Planter with Cloth Strips. ...
  5. Remove the Cloth Strips. ...
  6. Apply Sealant. ...
  7. Allow the Planter to Dry Completely. ...

Part of a video titled How to Repair a Concrete Planter - YouTube
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Using the trowel completely fill the crack with the concrete patch. Use the pointed edge of theMoreUsing the trowel completely fill the crack with the concrete patch. Use the pointed edge of the trowel to get the patch into all the nooks and crannies of the crack.

Full Answer

How do you fix a cracked planter?

Hose down the planter and remove all dirt. Using the steel brush, scrub along the edge and inside the crack to remove any loose debris. Allow the planter to completely dry before continuing.

How to repair cracks in concrete?

The best way to repair the crack is to glue it back together so make sure that the surfaces of the cracked pieces are free from loose concrete. Apply mortar to act as glue and seal the crack. Make sure you apply a thick layer of mortar on the crack to put the pieces back together. Apply a sufficient amount so as to cover the crack/s completely.

Can you plant flowers back in a cracked concrete planter?

Before putting flowers back into planter, add a plastic liner. This will help protect the planter from the wear and tear of soil and water. Test the seal of your concrete repair by filling the planter with water only before transplanting flowers back in. This will also allow you to see if any other cracks are starting to form.

Why do concrete planter pots crack?

The first and most common reason your concrete planter pot cracked is because the mix contained too much water. The more water that is in the mix, the better the chance that as it evaporates, the concrete will shrink. Concrete by nature will shrink, but the extra water can cause it to shrink too much or quickly.

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Why is my cement planter cracking?

The first and most common reason your concrete planter pot cracked is because the mix contained too much water. The more water that is in the mix, the better the chance that as it evaporates, the concrete will shrink.

How do you restore old concrete planters?

Protect Work Surface.Remove Existing Plants.Remove Peeling Paint.Paint Planter.Add Potting Soil.Determine Placement of New Plants.Unpot, Then Plant.Add Mulch.More items...•

Will concrete planters crack in the winter?

The cold won't affect them as much as summer's heat and moisture. Concrete is also a yawn-inducing container. Concrete can crack, especially if it is thin and wasn't conditioned properly when it was formed. That's more likely with newer concrete containers than with those at least 10 years old.

Can you glue broken concrete?

Wear and tear on the horizontal surfaces on steps, such as holes, pop-outs and larger cracks, can be repaired using Loctite® Metal And Concrete Epoxy. Loctite Metal And Concrete Epoxy is also ideal for rebuilding vertical surfaces, such as broken step corners or edges. It can be shaped to fit any surface.

Do concrete planters need to be sealed?

Do concrete planters need to be sealed? Concrete pots only need to be sealed if you are growing a plant in the pot that needs more acidic soil. You see, concrete contains lime which can cause the soil to become alkaline. This is a good environment for succulents, but many plants will not be happy in this soil.

What kind of concrete do you use to make planters?

Portland cement is considered the best choice for casting and making any type of cement containers. It's a finely ground cement powder that mixes easily to create a smooth result for your DIY cement pots for plants. Portland cement is the base ingredient for making cement planters.

How do I make my concrete planters durable and lightweight?

0:183:21Fix This: Lightweight concrete planters - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou need peat moss and you need quick-setting cement okay anyone want that it's quick setting rightMoreYou need peat moss and you need quick-setting cement okay anyone want that it's quick setting right setting yes because this stuff takes a long time to dry anyway.

Are concrete planters good for plants?

Concrete planters are safe for vegetables as long as you get the lime out of them before growing the plants. You can also seal the concrete planter with a concrete sealer so the lime cannot leach into the soil.

Can I leave planters outside in winter?

But you can leave plastic pots filled with soil outside all winter. Winter rains and snow may fill the pot, and freezing temperatures cause the water to expand. But in most cases, you'll see the ice cube effect with the frozen soil expanding out the top of the pot.

Does Gorilla Glue work on concrete?

A moisture activated polyurethane adhesive, such as the original Gorilla Glue formula, glues concrete to both porous and nonporous materials. It adheres to concrete, metal, glass, wood, and stone, among other surfaces.

What's the best glue for concrete?

Our Top PicksBest Overall. Quikrete 1 Gal. Concrete Bonding Adhesive. ... Best Bang For the Buck. Quikrete 1 Qt. Acrylic Fortifier. ... Best For Cold Temperatures. SikaLatex 1 Gal. ... Best For Concrete Blocks. Liquid Nails - LN-905 Landscape Block Adhesive. ... Best Polyurethane. Loctite PL Premium Polyurethane Construction Adhesive.

What is best to patch concrete?

Best Concrete Patch for Concrete or Masonry Wall—Drylok Fast Plug. To repair material on concrete walls or even masonry walls, it is best to have a product that can cure quickly to avoid patch dripping down the wall.

Should you paint concrete planters?

If you have some old cement flower pots that have seen better days, just grab some supplies and get to making them over! Painting cement pots is a quick and easy DIY that will make your porch all kinds of bright and cheerful. Read More: Glazed Concrete Planters.

What kind of paint do you use on concrete urns?

Cement Floor Paint Any type of paint labeled for masonry or cement can be used on the outer surface of a concrete plant pot once the pot has been primed.

How do you paint old cement pots?

5:026:49DIY Painted Cement Planters | withHEART - YouTubeYouTubeStart of suggested clipEnd of suggested clipFirst going to start with a primer. And I'm using a Glidden gripper primer. And it's for in interiorMoreFirst going to start with a primer. And I'm using a Glidden gripper primer. And it's for in interior. And exterior. And it bonds to virtually any surface it will adhere to this concrete.

Can you stain concrete planters?

Apply stain to the concrete planter using your preferred method: dabbed on with a rag or sponge for a mottled look, brushed or rolled on for an even look, or sprayed on for a splattered look. Allow to dry according to product directions.

How do I clean a crack in a planter?

Hose down the planter and remove all dirt. Using the steel brush, scrub along the edge and inside the crack to remove any loose debris. Allow the planter to completely dry before continuing.

How do I patch a crack in a concrete floor?

If you are filling a large crack, mix up the bag of concrete patch according to package directions. Using the trowel, completely fill the crack with the concrete patch. Use the pointed edge of the trowel to get the patch into all the nooks and crannies of the crack. If it is a sizeable hole you are repairing, fill it completely. After it has dried, come back and fill the spaces to be sure there are no hidden cracks remaining. Use the edge of the trowel to smooth the lines where you have filled the crack.

How to fix a broken urn?

Place a tarp next to the broken urn. Remove any plants or trees from the urn and place them on the tarp, taking care not to break any roots. Water the plant roots with a garden hose, fold the tarp over them and put them in a shady area.

How to make a mortar urn?

Dip the tip of a trowel into the mortar mix. Spread a thick layer on all edges of the remaining piece of urn starting at the bottom. Coat each edge of each broken piece and assemble them together on the urn. Press each junction tightly onto the previous one. This is much like attaching puzzle pieces to a 3D puzzle. Pieces with the sharp edges removed will have more mortar in those areas to fill in the gap between them.

Can mortar mix be used on urns?

Mortar mix may dry in a different color than your urn. Cover the repairs with outdoor spray paint in a darker color than the urn and mortar mix to hide the repairs. Spray paint the exterior surfaces only to protect plants on the inside.

Why does my concrete planter crack?

REASON 1 | Cracking Caused From Too Much Moisture. The first and most common reason your concrete planter pot cracked is because the mix contained too much water. The more water that is in the mix, the better the chance that as it evaporates, the concrete will shrink. Concrete by nature will shrink, but the extra water can cause it ...

What causes cracks in cement?

When it has excessive shrinkage, it has nowhere to go and the pressure from cement contracting against itself will cause cracks. Typically these types of cracks are hairlines, but they can also crack right through. They can sometimes be repaired by making a thin mix of cement and filling in the crack.

How long is concrete good for?

If the package has not been opened, then the concrete mix is good for about 6 months to a year. Once the bag is opened, even with proper storage (cool dry conditions and sealed airtight), the mix may last less than six months. If it’s not properly sealed, then it will lose its ability to bind in only a few months.

How to fix cracks in planters?

If you just have a crack on your hands, there is an easy fix. Use joint compound to fill the area and seal it. Clean the area and sand off any rough edges. Clean again with a brush. Fill in the crack with the joint compound and let it cure for a day.

What to do with a broken flower pot?

Repurpose broken planter shards in paver stones or mosaics. Try creating an in-ground container, use small chunks as mulch around plants. You might even label bits and use them as plant ID tags.

How to reunite clay containers?

A clay container can be reunited using pre-moistened mortar. Wrap the container after rejoining the pieces to hold them tightly together as the mixture cures. A concrete planter is fixed using a concrete fix sealant, silicone cau lk, or the mortar. In either case, make sure the edges you are joining are clean and as smooth as possible.

Can you use broken planter bits as ID tags?

You might even label bits and use them as plant ID tags. Really, the uses for parts of a broken planter are boundless, limited only by a gardener’s imagination. Even partially intact edge pieces can be used to make a tiered garden or as edging, similar to a rock garden, nesting the larger pieces.

Can you fix broken planter pots?

Image by Melena-Nsk. Many gardeners have a favorite planting container and it is a huge loss when it cracks or breaks. There are many ways to fix broken planter containers, but you can also repurpose broken planter pots and use them in unique ways.

How long does it take for a planter to dry?

Moisten cloth strips and wrap them firmly around the repaired planter to hold the pieces together as they set. Leave the planter for 24 hours to allow the mortar to dry.

What are outdoor planters made of?

In order to stand up to rain and high winds, most planters are made out of concrete, terra cotta, glazed ceramic and hypertufa, which are heavier materials used for many outdoor structures.

Can you repair cracks in a planter?

Fortunately, repairing cracks in a planter is a simple, cost effective process that saves you from purchasing a new planter.

What color are planters?

The planters are tall black planters. My exterior color is navy blue, so the planters will get a coat of this paint so that they will match the shutters and front door.

How long does it take for putty to harden?

It hardens very quickly and is very hard in about an hour and ready for the repair. Once the putty has hardened, the next step is to use a box cutter to trim the putty slightly, and then sand it into the shape of the opposite edge with some sand paper.

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