What Is the Weight of a Standard Red Brick?

In the United States, a normal red brick weighs about 4.5 pounds. In the United States, a “standard” brick measures 3 5/8 inches deep by 2 1/4 inches high by 8 inches long. According to the specifications of ASTM International, formerly known as the American Society for Testing and Materials, it is one of numerous brick sizes. Modular, giant modular, jumbo standard, queen, Roman, Norman, closure, and utility are some of the additional ASTM brick sizes. It should be noted that some countries may not follow ASTM’s requirements and may have their own conventional brick dimensions.

Red Bricks ‘Standard’

When it comes to brick sizes in the United States, the term “standard” refers to a specific brick unit size rather than the most often used brick. The modular brick is the most often used brick for general masonry work in the United States. Modular bricks have a depth of 3 5/8 inches, a height of 2 1/4 inches, and a length of 7 5/8 inches, which is somewhat shorter than the modular brick. The thru-wall bricks, which measure 7 and 5/8 inches x 7 and 5/8 inches by 15 and 5/8 inches and weigh 41.5 pounds, are one of the heaviest ASTM standard bricks.

Other American Brick Dimensions

There are various different brick unit sizes in between the modular, regular, and thru-wall sizes. The bricks’ dimensions and sizes, as well as their average weight, are listed below.

3 5/8 inches x 1 5/8 inches x 11 5/8 inches; 4.7 pounds

3 5/8 inches x 2 3/4 inches x 7 5/8 inches; 5.1 pounds Jumbo modular

3 1/8 inch x 2 3/4 inch x 9 5/8 inch; 5.6 pound queen

3 5/8 inches x 2 3/4 inches x 8 inches; 5.9 pounds Jumbo standard

Norman measures 3 5/8 x 2 1/4 x 11 5/8 inches and weighs 6.4 pounds.

Ambassador: 8.8 pounds; 3 5/8 inches x 2 1/4 inches x 15 5/8 inches

3 5/8 inch x 3 5/8 inch x 11 5/8 inch utility; 10.2 pound

3 5/8 inch × 3 5/8 inch x 15 5/8 inch Monarch; 12.5 pound

3 5/8 inch x 7 5/8 inch x 7 5/8 inch quad; 14.1 pound

How Many Bricks Do You Need to Build a Wall?

To figure out how many bricks are needed to cover a wall, multiply its height by its breadth in feet to get the square footage.

For instance, 10 feet x 8 feet equals 80 feet.

Next, multiply each brick’s height by its length and divide by 144 to get the square footage it will cover. To account for the mortar, add 3/8 of an inch to the height and width specifications. The formula is as follows, using modular bricks as an example:

Example: 2 1/4 inch Plus 3/8 inch Equals 2 5/8 inch brick-and-mortar width

7 5/8 inch + 3/8 inch Equals 8 inch brick-and-mortar length

Brick ft2 = (8 × 2 5/8) ÷ 144

Brick ft2 = 21 ÷ 144 = .1458

Finally, divide the wall’s square footage by the square footage of each brick to get the total number of bricks required to cover the wall.

80.1458 = 549 bricks, for example.

How Are Red Bricks Made?

Shale is a type of rock that splits readily and is commonly used to make bricks. To make it easier to work with, the shale is first exposed to the weather. It is transported to the manufacturing facility after two years, when it is processed into powder by machines. It is then crushed into a long continuous rectangular clay block after being combined with water.

The block, which is also known as a slug, is then sliced into 5 foot long chunks by another machine. It then goes through another machine, which further reduces it to its ultimate dimensions. To preparation for fire, the fresh bricks are placed in a drying chamber for two days to eliminate excess water.

The bricks are burned in a kiln at roughly 2,000 degrees Fahrenheit once they are dry enough. The bricks are ready after one and a half days. The originally grey shale slugs have now turned a deep crimson colour, similar to that of bricks.

Standard Brick Dimensions by Country

Other countries, as previously indicated, have their own “standard” brick sizes. Because most other countries use the metric system of measurement, the following measurements are in millimetres (mm).

120 mm x 65 mm x 250 mm Russia

102.5 mm x 65 mm x 215 mm United Kingdom

114 mm x 71 mm x 240 mm Germany

107 mm x 69 mm x 228 mm China and India

The modular bricks in the United States are 92 mm x 57 mm x 194 mm in millimetres. The dimensions of standard-size bricks in the United States are 92 mm x 57 mm x 203 mm.

Red bricks are available in a variety of sizes and weights. Learn how much a regular red brick weighs and other fascinating brick facts.


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