No, do not throw your used oil or filters in the trash or down a drain. According to the EPA, used oil from one oil change has the power to contaminate 1,000,000 gallons of water. Oil is toxic and is slow to degrade in the environment.
Comparison is made between Liteblokâ¢ 69 and CMU for an outdoor block wall. A wall built with the 5â Liteblokâ¢ 69 Tall will be about $5.90 per square foot. (ignoring footing costs) including materials and labor. A similar 6â CMU costs. about $9.79 per square foot2 (also ignoring footing costs which will be about the. same for both systems).
Concrete blocks and cinder blocks are both called CMUs, as well as splitface blocks and lightweight blocks. By definition, CMU is a concrete masonry unit.. CMUs are commonly used for the construction of commercial buildings, load-bearing foundation walls, and exterior retaining walls. However, there are big differences between CMUs. Standard concrete blocks are made from cast concrete â Portland cement, sand, and gravel. They typically weigh 38 to 43 lbs.