Flatness, Levelness, F-Numbers, Straightedge: What do the numbers mean? Recent changes to ACI 117 provide new procedures for straightedge measurements for floor slab flatness. Under the revised standard, 1/8 inch in 10 feet is not a standard option....
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The July 1st CSI Specifying Practice Group meeting focused on how to collect project data required to write specifications. Group members Louis...
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What do you use to describe your design projects? Will owners, lenders, estimators and others understand the design intent? Traditional methods rely...
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What is an AW60 window and how will it perform? The window performance classes and performance grades set by the North American Fenestration Standard...
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Chapter 26 of the IBC 2006 building code requires foam insulations used inside the building weather barrier to be protected by a thermal barrier. The...
What functions must an air barrier perform? It may be more than the obvious. Learn about the types, functions, performance, difficulties, and details...
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In doing various product research for our clients, we come across some products that immediately grab our attention, at least that was the case for...
Improving acoustic ratings for partitions and floors depends on increasing sound transmission losses to minimize unwanted air borne and structure...
