The chapter 7 wall systems consist of a single wythe concrete masonry unit cmu wall structure often composed of split face block.
Single wythe concrete masonry walls.
Designers in the pacific northwest have learned how to use single wythe concrete masonry walls effectively for shopping centers restaurants hotels schools fire and police stations.
Single wythe concrete masonry walls are cost competitive because they provide structural form as well as an attractive and durable architectural facade.
While many wall system variations may apply to single wythe cmu wall systems this chapter focuses on an interior insulated cmu wall system that has demonstrated successful building enclosure performance within colorado and southern wyoming.
The following 3 items make up what is the industry standard for how to properly use concrete masonry for single wythe walls.
Single wythe walls can be insulated as shown in figure 2.
Single wythe walls unlike cavity walls and veneered walls require additional special attention regarding moisture penetration pre vention.
A simple way to picture single wythe is to think of a child building a wall of blocks.
Download product overview blockflash.
In addition to the thermal mass benefits discussed in this article concrete masonry is a locally produced construction.
However because they do not have a continuous drainage cavity as do cavity and veneered walls they require special attention to moisture.
A wythe is a continuous vertical section of masonry one unit in thickness.
Oncrete masonry units are not all cre ated equal.
Blockflash the complete flashing solution for single wythe concrete masonry unit walls over 3 million lineal feet of walls protected.
A multiple wythe masonry wall may be composed of a single type of masonry unit layered to increase its thickness and structural strength or different masonry.
If this school is built using single wythe concrete masonry walls with cell insulation only and a resulting wall r value of 7 hrft 2.
A wythe may be independent of or interlocked with the adjoining wythe s.
Single wythe concrete masonry walls are cost competitive because they provide structural form as well as an attractive and durable architectural facade.
It uses patented flashing pans to collect moisture.
The child generally builds the wall with only a single vertical layer of blocks.
Specify and insist on con.
Blockflash is a complete embeddable flashing solution for managing moisture in exterior single wythe cmu walls.
A single wythe of brick that is not structural in nature is referred to as a veneer.
Regardless of a project s energy efficiency and sustainability design goals concrete masonry walls can help to meet these goals.
However because they do not have a continuous drainage cavity as do cavity and veneered walls they require special attention to moisture penetration.
If we increase the r value of the wall to r14 by.