David Stutzman: May 27, 2014 2:06:50 AM
Why does the code require trademarks to distinguish the various plywood types? All plywood is not the same. Panels may be suitable for specific...
David Stutzman: Apr 23, 2013 6:42:51 AM
What are those Commodity Specifications referenced by the building codes? AWPA U1 referenced by the code specifies wood preservative treatments by...
David Stutzman: Oct 23, 2012 8:01:05 AM
What binder, density, and bond strength are required for sprayed fire-resistive materials? New building code requirements include additional...
David Stutzman: Mar 20, 2012 5:04:03 AM
Water vapor transmission is confusing - three different properties, each with their own units of measure. Can you rely on manufacturer's data...
David Stutzman: Mar 22, 2011 5:00:00 AM
Combustible construction can provide perfect paths through concealed spaces to allow fires to spread quickly and undetected. Fireblocking and...
David Stutzman: Dec 14, 2010 5:13:27 AM
Drawing Note Says: Treated wood sill plate. What type - Preservative? Fire Retardant? Both are wood treatments. Know the building code to understand...
David Stutzman: Jul 27, 2010 6:00:00 AM
Flatness, Levelness, F-Numbers, Straightedge: What do the numbers mean? Recent changes to ACI 117 provide new procedures for straightedge...
