Painter's Corner - MCAA Magazine
What can I do about congestion? The short answer is take an anti-histamine and call your doctor. Oh, not that type of congestion! That’s a sinus problem and all in your head anyway!
Congestion in a concrete masonry unit (CMU) wall creates frustration and aggravation for the mason. This leads to lower productivity and the possibility of mistakes by actions or omissions. Add it all together and you have created the potential for a less than expected quality product.
“Congested” is defined as something being too full or overcrowded. There are several ways that CMU wall can suffer from congestion. The main contributors to the clutter in the CMU wall are the mechanical, electrical, and plumbing trades. Masonry is the only one of the three major wall types that is expected to accommodate their “stuff” as we build the wall. Wood and stud walls are built and then the MEP folks do their rough install. On the other hand, we (masonry) are expected to install piping, boxes, conduit, holes for duct work, etc. the accumulation of these things created congestion.
Read the full article: https://www.masonrymagazine.com/blog/2017/05/01/painters-corner-mcaa-magazine/