- 1 How do you make a concrete floor?
- 2 What is the mix for a concrete floor?
- 3 How thick does a concrete floor need to be?
- 4 Is concrete flooring expensive?
- 5 Can you pour concrete directly on dirt?
- 6 What is the best finish for concrete floors?
- 7 Is it cheaper to mix your own concrete?
- 8 Is sand a good base for concrete?
- 9 Can I make concrete with just sand and cement?
- 10 Should you put plastic under concrete?
- 11 Do you need a membrane under concrete?
- 12 How many bags of concrete do I need for a 10×20 slab?
- 13 Does concrete flooring crack?
- 14 Do concrete floors get cold?
- 15 Can I pour concrete over existing concrete?
How do you make a concrete floor?
- Once your floor is clean, level and crack-free, mix the self-levelling cement with water or an acrylic polymer liquid, depending on the product manufacturer’s instructions, in a large bucket.
- Pour the mixture onto the cleaned floor, using a steel trowel to spread it in an even layer across the floor’s surface.
What is the mix for a concrete floor?
A concrete mix of 1 part cement: 2 parts sand: 4 parts coarse aggregate should be used for a concrete slab. Concrete must be placed within half an hour of mixing. Place your concrete into your formwork; work the concrete into awkward places and corners using a shovel or trowel.
How thick does a concrete floor need to be?
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.
Is concrete flooring expensive?
Cost ranges from downright cheap ($2 per square foot) to relatively pricey ($30 per square foot, depending on finishes). Obviously, concrete is heavy. If you’re putting in new concrete floors on grade, the weight won’t be a concern.
Can you pour concrete directly on dirt?
Long story short, yes you can pour concrete over dirt.
What is the best finish for concrete floors?
Top Concrete Finishing Options
- Acid Stain. An acid stain for concrete floor has a very bold look, recognizable by its mottled appearance and highly variegated finish.
- Water-Based Stain.
- Fast Stain.
- Acrylic Sealer.
- Standard Epoxy.
- Metallic Epoxy.
- Terrazzo or Granite Epoxy.
- Quartz Sand Epoxy.
Is it cheaper to mix your own concrete?
One of the least expensive ways to get concrete is to mix your own. You can buy bags of the mix from a home improvement store. Typically, you only have to add water for it to be ready to pour. Otherwise, you risk getting a weaker concrete once it cures, which could lead to cracks or crumbles within a couple of years.
Is sand a good base for concrete?
Pour concrete over a solid, well-drained base of sand or gravel over clay and other poorly draining soils to provide even support.
Can I make concrete with just sand and cement?
You cannot make concrete with only sand and cement because it requires a coarse aggregate like gravel. The stone component is the most critical, as that is what gives it its durability and strength. When mixing merely sand, cement, and water, you get a material closer to mortar.
Should you put plastic under concrete?
A concrete vapor barrier is any material that prevents moisture from entering a concrete slab. Vapor barriers are used because while fresh concrete is poured wet, it’s not supposed to stay that way. It needs to dry and then stay dry to avoid flooring problems. This is why a vapor barrier under concrete is essential.
Do you need a membrane under concrete?
These days, damp proof membranes are required in the construction of all new buildings to prevent rising damp. These strong and highly durable Polyethylene 1200 Gauge DPMs are sandwiched between the hard core and concrete slab to form an impermeable layer.
How many bags of concrete do I need for a 10×20 slab?
A 60-pound bag yields. 017 cubic yards, and an 80-pound bag yields. 022 cubic yards. For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags.
Does concrete flooring crack?
Concrete floors can be susceptible to settling and cracking over time, and this is a more frequent problem when an existing structural slab has adapted to a finished residential flooring surface—such as when a basement or loft condo has been converted to living space.
Do concrete floors get cold?
Are concrete floors cold and damp? Concrete can be cold, but no more so than ceramic tile or natural stone flooring.
Can I pour concrete over existing concrete?
If done properly, new concrete can often be poured right over an existing slab. For this to be feasible, the contractor needs to pour at least 2 inches thick, use smaller aggregate, and incorporate reinforcement such as welded wire mesh or fiber mixed into the concrete.