Double corner: A double corner CMU has a “U” shape and is used to stack blocks to build vertical structures.Single corner: This configuration has a backward “L” shape, and it features one cornered end to accommodate the end of the wall, where a stretcher block’s side may be vulnerable in a structure.Sash: This type of concrete block features slots cut on the surface’s flat ends to use around door and window openings to expand the space.Stretcher: A stretcher unit is a type of block that fits in the primary portion of the wall, where adjoining units cover both ends.Reinforced: To increase its tensile strength, the contractor could install reinforcing bars after construction through the block’s hollow parts.Ī block wall features concrete blocks in the following unit configurations:.Due to their high compression strength, they can hold a substantial amount of weight on top of the foundation. Flexible: Concrete blocks feature fine grains of sand and smaller aggregate materials to accommodate the specific molding. Lightweight: Concrete blocks are hollow on the inside, allowing them to maintain their light weight so that walls are easy to install.Here are some of the characteristics of concrete block walls: Each block contains standard concrete, a mixture of gravel and sand and Portland cement as the adhesive. The blocks’ sizes may vary based on the design parameters and regulations from the engineer, but they’re all the same type of block. cast-in-place concrete walls and determine which one is better for your construction project.īlock walls contain Concrete Masonry Units (CMU) that can be stacked to form a retaining wall or part of a building. Use this guide to compare concrete block walls vs. While both types are useful for commercial and residential applications, they each have unique characteristics and advantages that work well for different purposes. The production of cast-in-place (CIP) concrete walls involves casting concrete and a mix of aggregates into a mold at the worksite.
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