D+D Print March/April 2013

 
D+D Print March/April 2013


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In This Issue...


Like It Is!

Like It Is! Painting EIFS

by Burt Olhiser, Vantage Point Consulting

Repainting existing EIFS can be rewarding or traumatic. Learningabout the different systems - and properly accommodating their design - will pay off for savvy contractors.


Special Report

Energy Performance Of Air Barrier Systems

by Diana Hun and Andre Desjarlais, Oak Ridge National Laboratory

The authors explain mid-study, energy performance data compiled during field research on air barrier systems. For example, while the systems are proving effective at decreasing uncontrolled air ventilation, there is anincreased risk of moisture accumulation.


Good Technical Practice

The Achilles Heel of Single-Wythe CMU

by Kevin J. Brown and Kenneth A. Trimber, KTA-Tator, Inc.

Moisture-intrusion is the leading cause of paint problems on CMU. While the signs may be readily apparent,the causes of moisture may not. Here, the authors provide a variety of methods for determining, and correcting, the sources of moisture intrusion.


Coatings Technology

Elastomeric Acrylic Coatings for Use on Commercial Structures

by Leo Procopio, Linda Adamson, George Daisey, and Joseph Rokowski, The Dow Chemical Company

Elastomeric acrylics are often thought of as an “all-purpose” class when it comes to selecting coatings for use on roofs, concrete, and masonry. But do they really deserve the reputation? This article examines specific properties of elastomeric acrylics to explain the science behind the hype.


Peaks and Valleys: Coating a Metal Roof

by Jen Kramer, Editor in Chief, Durability + Design

A garden of rust had bloomed across the peaks and valleys of the manufacturing facility’s metal roof. Would the coatings team be able to repair the corrosion and stop the leaks before Mother Nature and the site’s Lake Erie location conspired against them?


Color + Design

The Context of Color

by Sonu Mathew, Benjamin Moore & Co.

Color adds value to buildings. In this article, Mathew explains how color transcends all boundaries to add beauty, force, and function to design.


Ask the Scientist

Ask The Scientist: Touchup Troubles

by VC Bud Jenkins, Coatings Scientist Consulting Services

Touchups happen. Correctly matching touchups with the original coating can be a challenge. Jenkins provides several tips - from pigment chemistry to the physics of proper scaffold placement - to help avoid mismatched paint and “polka dotted walls.”


Failure Analysis

Failure Analysis: When Metal Roof Coatings Fail

by Jayson L. Helsel, P.E., KTA-Tator, Inc.

The author describes a field and laboratory investigation of a premature failure of a fluoropolymer coating system on a galvanized steel roof. Both the failure and the solution provide lessons in chemistry and physics.


Plus...


Editor's Word

Specifications And The Poetry Of Color

by Jen Kramer, Editor in Chief, Durability + Design


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