Blog

Floor Slab Flatness and Levelness

David Stutzman: 7/27/10 6:00 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: 5/25/10 12:01 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: 4/27/10 6:00 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: 3/14/10 6:29 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: 2/16/10 5:24 PM

Slab on Grade Vapor Retarders

David Stutzman: 1/24/10 5:52 PM

Curtain Walls, Storefronts & Windows - Tech Tips Published

David Stutzman: 12/14/09 6:58 PM

Exterior Sealant Joint Design - Tech Tips Published

David Stutzman: 11/16/09 6:48 PM

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