Do you need to float concrete?
Do you need to float concrete?
Floating has to be done on virtually every concrete job after concrete is poured and leveled. (Leveling is usually accomplished with a screed.) When done properly, floating pushes the aggregate down into the concrete and encourages moisture to rise, helping the concrete dry and creating a smoother surface.
How many times do you float concrete?
You’ll have to practice to develop a feel for it. For a really smooth finish, repeat the troweling step two or three times, letting the concrete harden a bit between each pass. At first, hold the trowel almost flat, elevating the leading edge just enough to avoid gouging the surface.
How long before pets can walk on concrete?
Although concrete will harden soon after pouring, it’s still susceptible to damage from weight during the first four weeks. Wait at least 24 hours before allowing foot traffic, including pets, on a newly poured sidewalk or slab, and don’t drive a vehicle on a new driveway for at least 10 days.
What are concrete details 1 point?
What are concrete details? A. Specific and observable facts that help with understanding.
What is the best way to sand concrete?
The simple and fast way to do this is to use a wet diamond polishing disc (100 grit or 200 grit) attached to a regular random orbit sander. Simply spray some water on the concrete to get it wet, and “sand” the surface using the diamond disc to abrade away the burnished surface.
When should I brush my concrete?
When it comes to brooming, timing is critical—brush too early and the surface will be weak, brush too late and there won’t be enough texture. It must be done while the slab is still soft, but after the bleed water has dissipated. Depending on the weather, this can take anywhere from 20 minutes to 4 hours.
Can you drive on concrete after 5 days?
Your new concrete is designed to reach 90% of its full strength potential after 7 days, so feel free to drive your personal vehicle on it then. It will take additional time before you can drive or park heavy equipment or machinery on your newly poured concrete, so make sure to wait at least 30 days.
How long do you wait to finish concrete?
Allow all of the water to disappear before you do anything else. This can take 20 minutes or 4 hours depending on the temperature, humidity and how hard the wind is blowing. After the bleed water is all gone, you can get out your steel finishing trowel and put on the final touches.
Can you smooth concrete after it dries?
How do you smooth concrete after it dries? Sand the Surface and Wash the Concrete Finish by fine-tuning with light sandpaper, until the surface is perfectly smooth. We recommend using a hand planer to smooth and compact the surface.
Do I need gravel under my concrete slab?
Because concrete is a very porous material, it will absorb any moisture that it contacts. This can cause pooling. Without crushed stone, pooling water will settle under it and erode your slab. Adding a layer of crushed stone will add proper drainage, as well as create a barrier between your slab and the ground.
What do you use to smooth concrete?
Sand the Surface and Wash the Concrete Finish by fine-tuning with light sandpaper, until the surface is perfectly smooth. We recommend using a hand planer to smooth and compact the surface. If the concrete dries a lot then we recommend that you add water to the surface, this will help you give it a good finish.
What are the steps to finishing concrete?
Here are the steps for finishing a concrete slab:
- Spread the concrete. Use a square shovel or a come-along tool to push and pull the wet concrete into place.
- Screed the concrete.
- Float the surface.
- Edge the slab.
- Groove in joints.
- Trowel the surface.
What is the best slump for concrete slab?
five inches
What is the difference between a trowel and a float?
A float has a thicker base than a trowel and is usually made of plastic, sponge, rubber, wood or magnesium – a lightweight pale grey metal. It’s used to even up the surface on plaster or concrete, make it firmer and give whatever texture is required.
How do you make concrete smooth and shiny?
To achieve a smooth and shiny concrete finish first requires proper leveling, floating, and troweling before it cures. After attaining a relatively smooth concrete surface, and once the concrete is dry, you can utilize either mechanical or chemical polishing methods to achieve a nice, glossy shine.
What does concise language do Jiskha?
ela. Concise language refers to using the best words possible to convey an idea. Learning to write concisely will bettter engage your reader as well as reduce the number of words a writer uses (meaning the writer writes less!) Concise language is easier to read, and clearly transmits ideas.