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Daily Quiz (28)


Which of the following organizations maintains defined, standard categories distinguishing among sealers, stain blockers, and primers?


True or false: Preservationists sometimes frown on use of penetrating sealers to protect the masonry substrates of historic structures.


What is the main difference between penetrating sealers classified as water-repellents and those classified as water-repellent preservatives in treating wood substrates?


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


What organization maintains an approved product list for sealers and finishes used on athletic wood floors?


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


True or False? Some historic preservationists might object to the use of a clear, penetrating sealer on the masonry walls of an historic structure.


Which of the following organizations provides information about good practice in the selection and use of sealants in expansion joints?


True or false: Preservationists prefer penetrating sealers over coatings to protect masonry substrates on historic structures.


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


Which of the following organizations provides information about good practice in the selection and use of sealants in expansion joints?


What chemistry type is used to create sealers that penetrate and line the pores of concrete?


True or false: Penetrating sealers such as silanes and siloxanes for concrete decks have good crack bridging capability.


While a concrete surface needs to be clean prior to application of a silane or siloxane sealer, it does not require substantial roughening or profiling. Why?


Penetrating sealers are sometimes avoided by conservators on the masonry substrates of historic structures for what main reason?


True or false: Parking decks are always sealed with penetrating sealers like silanes.


True or false: All sealers for concrete substrates form a thin film on the surface of the concrete.


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


Specifications for athletic floor sealers and finishes, together with an approved products list, are maintained by what association?


True or false: A coating system on an exterior concrete block wall must provide protection from wind-driven rain and, if moisture vapor diffuses from inside to outside, be sufficiently permeable to allow vapor to exit the wall.


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


True or false: Non-film-forming sealers, such as siloxanes, allow moisture to escape from within concrete substrates.


True or false: Preservationists always prefer penetrating sealers over coatings on masonry substrates in work to preserve historic structures.


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


Which of the following organizations provides information about good practice in the selection and use of sealants in expansion joints?


True or false: Clear, non-film forming masonry sealers, such as silanes and siloxanes, have little effect on vapor permeability, thereby allowing water vapor to exit the masonry substrate.


Penetrating sealers are sometimes avoided by conservators on the masonry substrates of historic structures for what reason?


 
 
   

N.T. Ruddock Co.

Our Abrasives Hold Up Under Pressure

N. T. Ruddock focuses on abrasive selection, equipment evaluation, equipment maintenance & reduction of abrasive consumption. Other services include Screen Analysis & Background Radiation Testing.


Novatek Corporation
Novatek Corporation, Dustless Coatings Removal

Strip, clean and profile all dust free! Comply with new lead standards. Contact today: (866) 563-7800


NACE International, The Corrosion Society
Refresh Your CP Skills

With this 12-station, interactive program, practice your CP skills online by working through step-by-step, real-life testing scenarios.


Tarps manufacturing, Inc.
QUALITY MADE IN AMERICA —Available near you!

CLICK to get a behind-the-scenes look at how Tarps Manufacturing makes the highest-quality tarps right here in the USA — available nationwide.


HoldTight Solutions Inc.
NO FLASH RUST - NO CONTAMINANTS

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


CHLOR*RID International Inc.
Hold*Blast

*Stop flash rust
*Provides outstanding
performance
*Easy to use and only pennies
per square foot
*Works with poor quality
water
*Use for mist blasting, vapor
blasting, wet blasting and
UHP WJ
*Leaves no residue and
provides excellent adhesion.
www.chlor-rid.com


Carlisle Fluid Technologies
Built for Tough Jobs

From Epoxies to Urethanes to other high solid coatings, the new Binks Airless 75 delivers a great finish using an ergonomic design. Visit binks.com for more information.


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.


Bullard

The Next Generation
of Blasting

• Lightest
• Coolest
• Most Comfortable
• Most Dependable


US Minerals
US Minerals -
Black Magnum

With nationwide production and distribution capabilities, U.S. Minerals supplies a complete range of coal slag and other abrasives to meet all of your blasting needs.

 
Technology Publishing

The Technology Publishing Network

The Journal of Protective Coatings & Linings (JPCL) PaintSquare
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