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 masonry units (CMU) are some of the most commonly used materials in building construction. Due to their relatively low cost as wall material and their fire resistance, CMU walls are laid on many types of projects. From schools to warehouses, many buildings have CMU walls.