Multiply the total wall area by 1 125 to get the approximate number of blocks you ll need to build the garage walls.
How many concrete blocks to build a wall.
For example if your standard concrete block is 1 foot by 0 5 feet and is separated from its neighbours by a half inch of mortar then each block accounts for 1 0417 x 0 5417 or 0 5643 square feet.
To determine the width of your future wall decide how many cinder blocks you want to use for the wall width then calculate the width using the block s measurements.
You can use large concrete blocks to build retaining walls security barriers or massive bins for certain products and materials.
For example if your cinder blocks are 8x8 in 20x20 cm and you want to use 2 blocks to make up the wall s width your total wall width would be 16 in 40 cm.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
The depth and size of the foundation will vary depending on the size of the concrete block wall and the weight it must support but a typical freestanding wall requires a foundation that is about twice as wide as the wall itself and which extends about 1 foot down below the frost line.
Calculate the surface area of a single block in the wall including its mortar allowance.
Concrete blocks are concrete masonry units or cmus but we often refer to them as concrete blocks or cinder blocks learn more about concrete masonry units a wall typically requires 1 1 8 blocks per square foot.
Concrete block walls have many uses ranging from residential to commercial.
Regardless of the block wall s purpose the basic steps for building it remain the same.