Free Concrete Blocks'' - Craigslist (2024)

FAQs

How many concrete blocks should you lay in a day? ›

Rather than how many, it depends more on what can be laid in your situation. If too many blocks go up in one go, the mortar gets squashed out, so in your situation, I'd expect this to be a two day job. All being well. You are looking at 200 blocks on a good day.

A typical price for Concrete Blocks is $2.77 but can range from approximately $1.03 to $10.

1. Cost: Bricks can be more expensive than concrete blocks, both in terms of material cost and installation due to their smaller size and additional labor required for masonry work.

To lay 100 blocks, you will need about 3 bags of cement. This estimate is based on common mortar mix ratios and standard mortar joint thickness. The exact amount may vary depending on the size of the blocks, the mix ratio, and the actual construction conditions, so it's advisable to have a bit extra.

5 answers from MyBuilder tradespeople

The general rule is 1kg of mortar (sand and cement) per brick, so 500kg of mortar on a 4:1 mix ratio would equate to 100kg of cement, so that's 4 bags.

8 to 10 bags of cement per 1000 bricks

This range accommodates various factors that can influence cement usage, including the mix ratio of mortar and the specific requirements of the brickwork. Opting for 8 to 10 bags provides a margin that accommodates slight variations in the project needs.

Concrete hollow blocks have excellent insulation properties, both thermal and acoustic. If the holes are left unfilled, the air in the blocks helps to keep a building warm in winter and cool in the summer months. These holes also help to insulate the building from loud sounds, reducing noise pollution inside.

There's no set in stone rule to how many feet you should have between each concrete deck block. Usually, they'll end up 6 or 8 feet apart. If you're working with a contractor, they'll know how to calculate the total weight of your deck and where to place each block.

Cement blocks use fly ash aggregates, whereas concrete blocks use stone aggregates or fine crushed sand. Whilst cement blocks are lighter, concrete blocks are stronger. So, for example, for the construction of structural building walls, professionals often prefer to use of concrete blocks.

How much is a block worth? ›

Oblong blocks range considerably in width and length. The standard block in Manhattan is about 264 by 900 feet (80 m × 274 m). In Chicago, a typical city block is 330 by 660 feet (100 m × 200 m), meaning that 16 east-west blocks or 8 north-south blocks measure one mile, which has been adopted by other US cities.

The production of cinder blocks revolutionized the concrete block industry and the name cinder block was popularized and stuck long after the blocks were being made. After WWII, better technology and production habits put an end to the production of cinder.

If the conditions are right, concrete building blocks have a lifespan of 100 years or more.

Concrete blocks can be prone to water seepage.

Concrete blocks are strong but porous and allow water to penetrate. Water is persistent and will seek the path of least resistance. It can eventually make its way through walls and cause damage. Water seepage can eventually lead to efflorescence.

Every single day, you only get 1,000 minutes to spend however you like. Split into 10-minute blocks, this means you only get 100 blocks a day. This may not seem like a lot, but when managed properly, 100 blocks is way more than enough to do everything you want to do each and every day. Use your blocks wisely!

Concrete placement rates of approximately 125 to 150 cubic yards an hour is about the practical limit for a typical batch plant. A 60,000-square-foot 6-inch slab on grade requires 1100 cubic yards, which at the maximum production rate for the batch plant will require seven to nine hours to mix and deliver.

8 to 10 bags of cement per 1000 bricks

This range accommodates various factors that can influence cement usage, including the mix ratio of mortar and the specific requirements of the brickwork. Opting for 8 to 10 bags provides a margin that accommodates slight variations in the project needs.