Technical Resources

Technical Resources

Technical Resources

Painting in Hot Weather

Submitted and authored by Tim Garver of Dunn Edwards Paints for publication by CSI 5/16/2018.

When starting an exterior painting project, mild temperatures are not only preferred by the painting contractor or applicator, but the paint as well.

Just as cool, damp conditions adversely affect the performance of paints, so can extreme hot temperatures. Ideally, most latex paints should not be applied when air and/or surface temperatures are below 50° F or above 90° F. Precautionary Measures have been added that may help mitigate some of the issues attributed to hot weather painting.

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Membrane Compatibility Choices

Submitted by Tom Urich, Section 7 Marketing for publication by CSI 4/24/2018.

In recent years, the design community has accepted the use of self-­‐adhered membranes to be used as additional protection against water and air intrusion into the building envelope. These products are typically 40 to 60 mils thick with a release paper on the back and are manufactured by at least 10 manufacturers. The chemical composition of these membranes is usually a blend of SBS rubber with asphalt or a butyl based rubber product. The self-­‐healing properties and ease of application has made these products popular for application under parapet wall coping, curbs, valleys and many other conditions that warranty special attention.

Caulking and Sealing Information

Submitted by Jim Nisted, Dryvit Systems, Inc. for publication by CSI 3/6/2018.
Originally published on Technical Services Information Bureau in January 2008, updated in May 2017

GENERAL INFORMATION: Most caulking materials are classified as a waterproof filler and sealer. Properly applied caulking will seal joints and cracks from the intrusion of water, air, dust, insects, pollution and noise. Choosing the right caulk and correctly applying it will reduce failures by keeping shrinkage and splitting to a minimum.

Air Barriers

Submitted by Jim Nisted, Dryvit Systems, Inc. for publication by CSI 9/12/2017.
Originally published on Technical Services Information Bureau in December 2012, updated in May 2017

Concrete Slab Curling Over Vapor Retarders

Submitted by Dennis Keane, Stego Industries, LLC for publication by CSI 6/12/2017
Posted with permission from the American Concrete Institute ( in September, 2016.

We have always been told that concrete slabs placed directly on a vapor retarder curl more than slabs cast directly on a prepared base. However, we recently measured a slab that we know had a vapor barrier only in limited areas. The portions cast oyer the vapor retarder had less curling than those cast directly on the base. What is the current industry understanding of this issue?

Design Data for Suspended Ceilings

Submitted by Jim Nisted, Dryvit Systems, Inc. for publication by CSI 4/27/2017
Originally published on Technical Services Information Bureau in September, 2009.

Architects, Engineers and Contractors often need to know how much an installed ceiling system will approximately weigh. The following are suggested guidelines of material weights are for hanger wire and fastener selection. The actual weights may vary with proprietary products or additional materials added.

 Applying the Building Code

Applying the Building Code: Step-by-Step Guidance for Design and Building Professionals (Building Codes Illustrated)

No other resource—not even the building code—presents the exact code information you need, when you need it at design stage

The International Building Code (IBC) is a model building code developed by the International Code Council (ICC). The IBC and its complementary codes provide design and construction professionals with a complete set of comprehensive, coordinated building safety and fire prevention regulations in order to safeguard the public health and general welfare of the occupants of new and existing buildings and structures. Adopted throughout most of the United States and its territories, it is referenced by federal agencies, such as the General Services Administration, National Park Service, Department of State, U.S. Forest Service, and the Department of Defense. For architects and other design and construction professionals, it is particularly important that they understand how to apply the IBC and how code officials view buildings, so that they integrate code-required provisions in the earliest design stages of any project.

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