There are many new building systems that promise to save money and construction time, while still providing high-level performance in load-bearing walls. But for those that are looking to work with a time-tested system, concrete block can provide the durability and benefits of a proven system.
Standard block uses heavy aggregates such as crushed stone, sand and gravel. Lightweight blocks use more recycled materials, such as blast furnace slag, pumice, scoria and expanded clay aggregate, along with recycled fly ash. This reduces the overall density of the block, resulting in a lighter more manageable block.
The block is then cut with a high-standard cutting machine so that each block has precise dimensions, then sent to be autoclaved in high pressure steaming machines. The heat helps the block to cure faster and stronger, making it a stronger, lighter block that conforms with the highest world standards for autoclaved aerated concrete (AAC).
AAC blocks can be made with a high percentage of air which results in higher thermal properties than a normal block. This means less energy is needed to keep the block warm or cool, reducing both your cost and carbon footprint.
The lower weight of AAC blocks also makes them easier to handle and install on the job site. This can provide labor savings of up to 50 percent compared to traditional block, depending on the study. More importantly, it’s easier to work with for masons, resulting in fewer job-related injuries and easier compliance with labor laws and contracts.
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