What is the approximate weight of a standard CMU block?

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Study for the Modern Masonry Building Contractor Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What is the approximate weight of a standard CMU block?

Explanation:
A standard CMU block refers to the common 8x8x16 concrete masonry unit, which is typically hollow to save weight. For planning and load calculations, the weight of a standard block is commonly taken as about 40 pounds. This estimate reflects the average weight of hollow cores under typical moisture conditions and manufacturing variations. If the block were solid, it would weigh closer to 60 pounds, while lighter or smaller blocks can be around 30 pounds. So 40 pounds is the best practical estimate for a standard CMU block.

A standard CMU block refers to the common 8x8x16 concrete masonry unit, which is typically hollow to save weight. For planning and load calculations, the weight of a standard block is commonly taken as about 40 pounds. This estimate reflects the average weight of hollow cores under typical moisture conditions and manufacturing variations. If the block were solid, it would weigh closer to 60 pounds, while lighter or smaller blocks can be around 30 pounds. So 40 pounds is the best practical estimate for a standard CMU block.

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