- How many bags of concrete do I need for a 10×10 slab?
- How many bags of concrete do I need for a 12×12 slab?
- What is a cheaper alternative to concrete?
- How many bags of concrete do I need for a 4×8 slab?
- How many square feet does a 80lb bag of concrete cover?
- Is 2 feet deep enough for fence posts?
- How many bags of concrete do I need for a 6×6 post?
- Do I need gravel under concrete?
- Should you put plastic under concrete?
- How many 80 pound bags of quikrete are in a cubic yard?
- How many bags of concrete do I need for a post hole?
- How many 60 pound bags of concrete does it take to make a yard?
- How many posts will a bag of Postcrete do?
- Will concrete cure under dirt?
- How many bags of concrete make a yard?
- Can you pour concrete directly on dirt?
- How much does it cost for 2 yards of concrete?
- Is it cheaper to mix your own concrete?

## How many bags of concrete do I need for a 10×10 slab?

For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags.

If we add an extra 10%, that’s an extra 8 60-pound bags or 6 80-pound bags..

## How many bags of concrete do I need for a 12×12 slab?

How many concrete bags would I need for a 12 ft x 12 ft x 6″ slab? 120 x 80lb Concrete bags. How much does it cost to pour a 12’x12′ x6″ slab? Ready-mix costs approx $412.69.

## What is a cheaper alternative to concrete?

Brick is one of the alternatives to a concrete driveway that looks great and won’t cost you much. It can be semi-permeable if laid over sand and comes in many styles. Loose gravel makes for one of the cheapest driveway alternatives, though it can be high-maintenance when compared to other asphalt driveway alternatives.

## How many bags of concrete do I need for a 4×8 slab?

Your project is 32 square feet at a depth of 4”. Here is the quantity that you will need for your slab. Quikrete Concrete Mix: 24- 60lb bags.

## How many square feet does a 80lb bag of concrete cover?

4 sq feet4 sq feet in that amount of cement.

## Is 2 feet deep enough for fence posts?

The minimum depth that you should dig your fence post holes for panel sections is 2 feet. A general formula is to dig the holes one-third to one-half of the post’s aboveground height. The deeper you dig the holes, the more stability your fence has, but you must also purchase longer posts.

## How many bags of concrete do I need for a 6×6 post?

As I recall, a 60# bag of concrete is about . 5cf, so you’d need 3 bags per hole.

## Do I need gravel under concrete?

Whether you pour concrete for a walkway or patio, a strong gravel base is required to prevent the concrete from cracking and shifting. Gravel is especially important in clay soil because it doesn’t drain well, which results in water pooling under the concrete slab and slowly eroding the soil as it finally drains.

## Should you put plastic under concrete?

The sand layer cannot dry downwards by vapor diffusion because of the plastic sheet—it is a vapor barrier after all. In fact that’s why we have it under the slab. We want a vapor barrier under the slab. ** We want to prevent water vapor from coming up from the ground into the concrete slab.

## How many 80 pound bags of quikrete are in a cubic yard?

An 80# bag of pre-mixed cement, sand and gravel (CONCRETE) is 0.6 cubic foot per the bag. There are 27 cubic feet in a cubic yard. So 27 / 0.6 = 45 80# bags.

## How many bags of concrete do I need for a post hole?

Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 – 48 hours.

## How many 60 pound bags of concrete does it take to make a yard?

60 pound bag yields .017 cubic yards.

## How many posts will a bag of Postcrete do?

You’ll need to bury the posts at least 2ft In the ground. As for how many bags of postcrete you need per post, that’s purely dependant on how big you make the post holes. As a rule of thumb, when using standard post hole diggers, I average 1 bag per post. For larger holes I would allow 1.5 bags to 2 bags per hole.

## Will concrete cure under dirt?

Assuming that the concrete was mixed in the proper ratio and poured in an acceptable temperature environment, soil backfilling will not harm the curing concrete (assuming no mechanical stresses or insults were done to the curing concrete; that is, no fractures, scours, washouts or chemical exposure).

## How many bags of concrete make a yard?

45 bagsPure cement, sand and crushed rock all have about the same density, so a block of pure cement measuring 1 cubic yard of volume (about 3,600 pounds) will contain 45 bags of cement.

## Can you pour concrete directly on dirt?

Long story short, yes you can pour concrete over dirt.

## How much does it cost for 2 yards of concrete?

According to the NRMCA – Ready Mixed Concrete Industry Data Survey, the average cost of concrete in 2018 was $120 per cubic yard, or $240 for the 2 cubic yards needed for a typical 10-by-10-foot patio.

## 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.