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Daily Quiz (10)

What organization has the mission of promoting the growth of the engineered rainscreen products industry to improve moisture management in building enclosures?

What technology is employed in instruments measuring the moisture content of concrete?

True or false: Some moisture meters for concrete are based on AC impedance.

True or false: Many coating manufacturers recommend that wood should have a moisture content of 15% or less before painting it.

Both mechanical loads from heating and cooling equipment and the stack effect of conditioned air rising or settling can contribute to air and water leaks through holes in building envelope materials. What’s another contributor?

Where is the three-year study, “Assessment of the Impact of Air Barriers on Energy and Moisture Control,” being conducted?

True or false: The anhydrous calcium chloride test for measuring moisture in concrete slabs is a qualitative rather than a quantitative test.

True or false: The most accurate meters for detecting moisture within a concrete substrate are based on readings of temperature and humidity.

True or false: Both relative humidity and temperature differentials from one side to the other can drive moisture vapor through a block wall.

True or false: A moisture content of 30%, as measured by a moisture meter, is generally considered the upper limit for successful painting of wood.


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The Finest Name in Safe Overspray Removal. We specialize in removing all contaminants from any surface. Family Owned and Operated for 33 years! Fully insured. Satisfaction is guaranteed.

Graco Inc.
Graco Mortar Pump

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Polyval Coatings
Polyflex® Polyurea Linings

Polyflex™ new Polyurea Geotextile Membrane System has been specifically engineered to protect the environment in containment applications.

Carboline Company
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We are a global leader in coatings, linings, and fireproofing. We have the right people, right products, and right locations.

Mitsubishi Gas Chemical America
Performance Amine 1,3-BAC

A highly reactive cycloaliphatic diamine offering superior performance. Reasonable cost and curing efficacy makes it suitable for all types of epoxy resin applications.

Montipower, Inc.
The MBX Bristle Blaster

Get a 2.7 to 3.3 mil profile and a Near White Metal Clean. For info visit or call 877 629-8777

RPB Respiratory

With RPB Safety’s new Nova 3 Cassette Lens System which has been specifically designed to save you time and money! See the benefits for yourself now!

NLB Corporation
Water jet surface prep, high or low

See how quickly HydroPrep® tools do surface prep, with no containment needed. Choose automated Crawler for overhead, Vortex™ for floors, or handheld VertaJet™.

Covestro (formerly Bayer)
Bayer MaterialScience is now Covestro.

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Julbert, Inc.
Built from the ground up.

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