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Problem Solving Forum (8)

I need to remove coatings from masonry on a historic-preservation project. What are my options for doing so without damaging the mortar joints?

What is the best way to protect porous masonry from graffiti?

When refurbishing an old concrete secondary containment wall around a storage tank, what criteria should be used to determine if a crack can be repaired for coating or if the section of the wall should be rebuilt?

What’s the best way to protect a masonry wall from freeze/thaw cycling?

What’s the best way to protect porous masonry from graffiti?

What is the optimal moisture content for masonry before painting can begin?

When a specification calls for removal of only loose coating rather than complete coating removal from a masonry substrate, what surface preparation methods are most likely to work without damaging the intact coating that is left on the surface?

What is the best way to remove graffiti from the surface of historic stone masonry on a church while preserving the appearance properties of the substrate?


SABRE Autonomous Solutions
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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.

Tarps manufacturing, Inc.
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Novatek Corporation
Novatek Corporation, Dustless Coatings Removal

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

Wasser High-Tech Coatings Inc.
Polyflex® Polyurea Linings

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

Hempel (USA) Inc.
Trusted worldwide for advanced protective coatings

Trusted worldwide
for advanced
protective, coatings
–Full range of 
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–Optimised application
–Fast, reliable service  worldwide. Contact us at

Desco Mfg. Co., Inc.

Steel Fabrication

• Shipyards
• Plate Fabrication
• Structural Steel
• Maintenance

DESCO Mfg.Co., Inc.

Abrasives Inc.
Check our Prices for Blast Abrasives

Faced with higher abrasive costs? We invite you to call & check our rates on Black Magic® coal slag and other quality blast materials. Abrasives Inc. 800-584-7524

Blastox/The TDJ Group, Inc.
Blastox® - One Step Lead Abatement

Sandblast additive delivered to jobsite pre-blended to eliminate hazardous abrasive wastes. Why mix, meter or apply at the job-site? Blast with ease and
Let your painters paint!

SAFE Systems, Inc.
Custom blast rooms
by SAFE Systems

Don't waste time and money "making do" with a "standard" design. Let us work with you to design and build the system that best fits your requirements.
Call 1-800-634-7278

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