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Korfil Hi-R is a pre-insulated masonry wall system that offers thermal values that are superior to traditional concrete masonry, while still delivering the considerable thermal mass benefits of concrete masonry. Typical R-Values for Hi-R are 4 to 5 times higher than conventional masonry. This note will discuss how to build a bond beam and a movement joint using Korfil Hi R units using what is called a Michigan Style Joint. The advantage of this approach is that it allows us to build the joint without sacrificing the thermal properties of the pre-insulated Korfil Hi-R units by using conventional masonry units at the joint location.
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