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Category: Concrete coatings and treatments

Daily Quiz (69)

Vecor Technologies recently presented work where _______ was incorporated into materials like concrete to reduce waste.

True or False: Researchers from Washington State University demonstrated how old, single-use masks can be utilized in cement mixtures to make stronger, more durable concrete.

True or False: When bacterial communities form in concrete, some bacteria can produce calcium carbonate for up to one year.

Researchers are using the seed of which fruit for a new technique to strengthen and heal concrete?

How many categories were featured in the JPCL 2020 Coating Systems Buying Guide for Concrete?

True or false: According to a JPCL article, the 28-day-cure-time rule of thumb for coating concrete has substantial scientific and engineering basis.

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

What organization publishes a guide specifically for measuring moisture content in concrete and masonry walls?

True or false: Carbon dioxide can contribute to the deterioration of steel-reinforced concrete.

Many coating manufacturers recommend what maximum relative humidity within a concrete slab before their flooring products are applied, according to a D+D article?

True or false: The National Transportation Product Evaluation Program includes coatings for steel but not for concrete.

Burnishing, polishing and abrasive blasting are examples of what?

True or false: SSPC has a recently developed guide to selecting concrete floor coatings.

True or false: SSPC’s CCI certification of concrete coating inspectors applies to protective but not architectural coatings.

In discussing how to achieve success in coating concrete, a noted authority named “the culprit that’s echoed across the industry when it comes to coating failure.” What culprit did he name?

True or false: Breathability is an important requirement for exterior wall coatings on concrete, according to the U.S. Army Corps of Engineers.

True or false: ICRI has recently published a Concrete Coating Texture Standard.

Who wrote in a JPCL article about the cure time required before coating concrete, “The problem with the magic 28-day number is that there is just as much empirical evidence that 28 days isn’t necessary, as there is for its requirement for a longer cure time prior to coating."

What organization publishes the Guide for Concrete Slabs that Receive Moisture-Sensitive Flooring Materials?

True or false: NACE International has a performance standard for coatings on concrete in waste treatment facilities.

What polymer concrete resin is based on an alcohol derived from agricultural wastes such as rice and oat hulls and corn cobs?

In a recent JPCL article, service conditions for concrete floor coatings include mechanical, compositional and what other factor?

According to an industry glossary, a microtopping over concrete is generally how thick?

Which of the following machines would be used to measure the coefficient of friction of a polished concrete floor?

ISO/TC 35/SC 14 is in charge of a standard on what topic?

True or false: Guard products or stain protectors for polished concrete floors are not breathable.

A recent D+D In Depth article on floor coatings recommended what action to combat high alkalinity at the surface of a concrete slab?

True or false: SSPC has a performance standard for coatings on concrete in waste treatment facilities.

True or false: Some causes of blistering of concrete floor coatings are air entrapment in pores of the concrete, osmotic pressure and insufficient cleaning of the concrete surface.

What organization offers a Concrete Coating Inspector program?

True or false: Laitance, sealers and other surface contaminants do not have to be removed prior to performing a moisture test on a concrete floor slab, according to a recent JPCL article.

True or false: According to a recent JPCL article, the threshold values in ASTM standards for deeming concrete suitable to be coated are neither achievable nor realistic for below-grade structures.

True or false: ICRI recommends a profile of 10 mils to 1/4 inch in its surface preparation requirements for polymer overlays on concrete.

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

True or false: Siloxane penetrating sealers fill the pores of concrete and prevent moisture from exiting the concrete substrate.

True or false: Non-film-forming coatings used as sealers on concrete and masonry cannot be pigmented to alter the appearance properties of substrates.

True or false: Siloxane sealers are typically applied at 1-2 mils dry film thickness on concrete substrates.

Which of the following materials is used to densify concrete?

True or false: SSPC’s CCI certification of concrete coating inspectors applies to architectural coatings as well as protective coatings.

True or false: According to a recent D+D article, maintenance procedures and costs for polished concrete floors can be up to 70% lower than for other floor coverings.

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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