Blog

Floor Slab Flatness and Levelness

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...

Exterior Window Ratings

David Stutzman: May 25, 2010 12:01:00 AM

What is an AW60 window and how will it perform? The window performance classes and performance grades set by the North American Fenestration Standard...

Air Barriers

David Stutzman: Apr 27, 2010 6:00:00 AM

What functions must an air barrier perform? It may be more than the obvious. Learn about the types, functions, performance, difficulties, and details...

Acoustic Ratings for Partitions and Floors

David Stutzman: Mar 14, 2010 6:29:18 PM

Improving acoustic ratings for partitions and floors depends on increasing sound transmission losses to minimize unwanted air borne and structure...

Concrete Floor Surface Prep & Moisture Testing

David Stutzman: Feb 16, 2010 5:24:19 PM

Slab on Grade Vapor Retarders

David Stutzman: Jan 24, 2010 5:52:54 PM

Curtain Walls, Storefronts & Windows - Tech Tips Published

David Stutzman: Dec 14, 2009 6:58:40 PM

Exterior Sealant Joint Design - Tech Tips Published

David Stutzman: Nov 16, 2009 6:48:31 PM

When sealants fail, the integrity of the entire building is in jeopardy. Calculate the size ans spacing so joint sealants will accommodate the...