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Daily Quiz (29)


What coating type is used to penetrate and line the pores of concrete to achieve water repellency?


True or false: Siloxane sealers will not keep pressure-driven water from penetrating concrete pores.


What kind of concrete sealers penetrate the pores of the concrete and form little, if any, film build?


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


True or false: Silane and siloxane sealers prevent both water ingress into concrete and moisture vapor from escaping the concrete.


True or false: The greater the permeability of a coating on concrete, the more effectively it will perform.


What organization published in 2013 the “Repair Code Requirements for Evaluation, Repair and Rehabilitation of Concrete Buildings and Commentary?”


True or false: Penetrating sealers such as siloxanes do not allow moisture to escape from masonry and concrete.


True or false: The mix design of concrete will affect its moisture content.


Most coatings applied to concrete substrates provide what type of protection?


Epoxy coatings formulated for application over green concrete (less than 28 days of cure) must withstand what special substrate conditions?


True or false: The conventional wisdom is that coating of newly poured concrete should not occur until 15 days have elapsed.


True or False: Clear, penetrating silane and siloxane sealers have a strongly limiting effect on the ability of water vapor to exit concrete and masonry.


What organization recently issued a performance standard for coatings on concrete in waste treatment facilities?


What type of gages are used to measure the dry film thickness of coatings on concrete?


What degree of surface profile is required on concrete to be treated with a siloxane sealer?


ICRI recommends how much profile in its surface preparation requirements for polymer overlays on concrete?


True or false: Opaque stains produce color on a concrete floor by reacting chemically with the concrete.


What kind of concrete sealers penetrate the pores of the concrete and form little if any film build?


What instrument is used for non-destructive measurement of the dry film thickness of coatings on concrete?


What type of gages are used to measure the dry film thickness of coatings on concrete?


What organization presents an annual coatings for concrete conference in January each year?


Why is back rolling often required following airless spraying of coatings over concrete blocks (CMUs)?


What is the conventional wisdom about the amount of time required for concrete to cure before it can be coated?


The most important requirements for exterior wall coatings on concrete include all but which one of the following, according to the U.S. Army Corps of Engineers?


What is the "conventional wisdom" regarding the amount of time that should elapse before newly poured concrete can be painted?


True or false: A clear polyurethane used to seal a coated concrete surface should exhibit maximum turbidity.


Commonly specified concrete floor coatings include all but which of the following choices?


It is considered important for a concrete floor coating to be "breathable." What does this mean?


 
 
   

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CS Unitec
Surface Prep & Material Removal

CS Unitec’s Floor Planers remove coatings & corrosion from concrete & metal surfaces. Produce keyed profiles for waterproofing applications. info@csunitec.com


Midsun Specialty Products
Self-Healing Field Repairs

Use Stopaq corrosion prevention coatings on pipelines, field joints, tank chimes, structural steel and more. Learn more at www.midsunsp.com/stopaq


HoldTight Solutions Inc.
NO FLASH RUST -
NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rush inhibitor prevents flash rust by removing surface contaminants.
Contact us for your nearest distributor. (800) 319.8802 sales@holdtight.com


Wasser High-Tech Coatings Inc.
Wasser Coatings Protect

Wasser Coatings offer a complete range of Moisture Cure Urethane (NEPCOAT approved) systems in addition to Polyurea membranes and linings(NSF).
www.wassercoatings.com


Novatek Corporation
Dustless Coatings Removal

Strip it, clean it, and profile it,
all dust free! High production
rates and Blast like finishes.
Comply with new lead
standards.


Bullard

The Next Generation
of Blasting

• Lightest
• Coolest
• Most Comfortable
• Most Dependable


Axxiom Manufacturing
Schmidt Introduces
the New miniBRS

Reduced in size, it is incredibly easy to maneuver and operate! The perfect alternative to larger blast & recovery units when project space is limited.
Call 1-800-231-2085


Atlas Material Testing Technology

Helping You Put Your Products To The Test

• Outdoor Accelerated
Weathering
• Laboratory Testing
Services
• Accelerated Weathering
Instruments

www.atlas-mts.com atlas.info@ametek.com


Clemco Industries Corp.
Powerful Protection in a Small Package

Mounts inside blast helmet, alerts operator to dangerous breathing-air condition by audible, visual, and vibratory alarms. Easily calibrated, battery operated.

 
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