- 1 Should I use concrete or cement?
- 2 Is cement stronger than concrete?
- 3 Do you need stone under a concrete slab?
- 4 What is cement slab?
- 5 What is the smoothest concrete mix?
- 6 Is quikrete as good as concrete?
- 7 Is concrete waterproof?
- 8 Is cement strong without sand?
- 9 How long will concrete last?
- 10 Can I pour concrete directly on dirt?
- 11 Should you put plastic under concrete?
- 12 Do you need rebar for 4 inch slab?
- 13 How many bags of concrete do I need for a 10×20 slab?
- 14 What are the 5 types of cement?
- 15 Which type of cement is best?
Should I use concrete or cement?
Concrete works well in larger projects, while cement is more often used in smaller jobs. One of the strongest and longest-lasting materials known to man, concrete is used to build schools, bridges, sidewalks, and countless other structures. But you don’t need a hard hat to have success with concrete.
Is cement stronger than concrete?
Let’s start with the basics: concrete is significantly stronger than cement. Cement is a durable material in its own right, but it simply does not compare to concrete. That’s why cement is usually used for smaller, more decorative projects.
Do you need stone under a 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 is cement slab?
A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. These slabs are generally classified as ground-bearing or suspended. A slab is ground-bearing if it rests directly on the foundation, otherwise the slab is suspended.
What is the smoothest concrete mix?
I suggest using an aggregate free Portland cement and sand (or silica powder if its available). The ratio is typically 1 part cement to 3 parts sand and water of course. The trick to getting a smooth final surface starts after its poured and before it sets.
Is quikrete as good as concrete?
Quikrete premixed concrete is just as good, and strong, as traditional concrete you buy from a plant or concrete you mix on site. Concrete is made from sand, cement and aggregate stone and that’s exactly what’s in Quikrete premixed concrete. it’s very strong and sets much quicker than traditional concrete.
Is concrete waterproof?
Concrete is not waterproof. Despite not immediately seeing water leak through a slab of concrete, water does get through the spaces in between its particles. And water can break the concrete down eventually, causing it to chip off or leak through and allowing more water to cause more damage.
Is cement strong without sand?
Yes, cement can indeed be used without sand. Cement is a binding material and it develops strength once it reacts with water. The strength in case of cement mortar (which is a mixture of Cement and Sand with water) is due to sand present in it.
How long will concrete last?
For larger projects such as buildings and homes, the concrete should last 30 to 100 years or more depending on the construction style as well as method of installation. Many times, a concrete shell of a building or home can be reused when the other materials such as wood begin to deteriorate.
Can I pour concrete directly on dirt?
Long story short, yes you can pour concrete over dirt.
Should you put plastic under concrete?
Recently, though, research has shown that the old traditional layer of 6-mil Visqueen (polyethylene plastic) under the slab is seldom effective for two main reasons: Although it may seem water-tight, this grade of material allows a lot of water vapor to pass through.
Do you need rebar for 4 inch slab?
No, you do not need rebar for a 4–inch slab of concrete on grade. A 4–inch-thick slab cast on the ground and in permanent contact with it will float and rebar is not required. Rebar is recommended on concrete measuring 5 – 6 inches thick.
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.
What are the 5 types of cement?
- Ordinary Portland Cement (OPC) Ordinary Portland cement is the most widely used type of cement, which is suitable for all general concrete construction.
- Portland Pozzolana Cement (PPC)
- Rapid Hardening Cement.
- Quick setting cement.
- Low Heat Cement.
- Sulfates Resisting Cement.
- Blast Furnace Slag Cement.
- High Alumina Cement.
Which type of cement is best?
Which is the best cement for house construction?
- Ordinary Portland Cement (OPC) 43 Grade Cement: It is used majorly for wall plastering works, Non-RCC structures, pathways etc.
- Ordinary Portland Cement (OPC), 53 Grade Cement:
- Portland Pozzolana Cement (PPC):
- Portland Slag Cement (PSC):
- White Cement: