Are concrete planters good for plants?

Are concrete planters good for plants?

Concrete and cement planters in their raw form (unsealed) are porous. Having a porous material is a benefit to plants as it helps control overwatering. Concrete really is the best choice of material for a planter. If you seal the planter you will be making it non-porous.

Do concrete planters need drainage holes?

If you've ever been shopping for a planter, you know that options become limited because not every planter has a drain hole. One great example is our concrete vessel. ... But to keep that succulent alive, it needs a bed or rocks at the bottom and ideally a drainage hole for excess water.

How do you make a concrete planter?

Directions

1. In a bucket, combine concrete mix with water. ...
2. Find one bigger-size and one smaller-size plastic bowl or container to use together as a mold.
3. Spray the inside of larger container and the outside of smaller container generously with cooking spray oil.
4. Fill the larger container with the prepared concrete.

Should I put rebar in my concrete?

Rebar is not necessary for every concrete project. The general rule of thumb is that if you are pouring concrete that is more than 5 inches in depth, you are probably going to want to add in some rebar to help reinforce the entire structure.

Is fiber mesh better than rebar?

The fiber mesh strengthens the concrete and the steel rebar reinforces the extra load areas. ... Fiber mesh can adversely affect the finish depending on whether you want a swirl finish, boom finish or exposed aggregate stone finish. The fiber mesh is good stuff but can stick up above the concrete surface and look fuzzy.

What kind of gravel do you put under concrete?

Most concrete contractors want a mix of coarse and fine aggregate to create a compactable base that is going to be safe for settlement and drainage. Crusher run (a mix of crushed stone and stone dust) is one of the best base materials for concrete flatwork.

How do you prepare the ground for a concrete garage floor?

Good ground preparation starts with removing the topsoil. Then, if the soil has not previously been "disturbed" (i.e., dug up), a four-inch layer (minimum) of gravel or stone should be added. (Soil that has been dug up before should be compacted.) The gravel or stone also needs to be compacted.

What can be used instead of concrete?

Concrete: Cement Substitutes

• Pulverised Fuel Ash (PFA), aka 'Fly ash' as a cement substitute. PFA is a by-product of coal-burning power stations. ...
• Ground Granulated Blast-furnace Slag (GGBS) as a cement substitute. GGBS is a by-product of the iron and steel industry. ...
• Silica fume. ...
• Limestone fines. ...
• Alternative fuels.