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TAG GROUP: News & Trends

Problem Solving Forum (49)

A specification requires Manufacturer X’s system “or equivalent.” What does “or equivalent” mean, and who decides what’s “equivalent?”

How do I clean off mortar smears that were allowed to cure for six months on a new architectural block building?

What is the best combination of metal and coatings for creating bright colors on public art and sculpture, keeping in mind durability, cost, maintenance, and gloss and color retention?

When is it necessary to install sealant between the base of building walls and concrete sidewalks or pavement to prevent moisture from wicking up the wall? How does the climate affect this decision?

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

How can I determine if my urban hospital building would benefit financially by installing a reflective roof coating on top of the current flat black roofing substrate?

Is there a list of the paint manufacturers who supply industrial-grade hexavalent chromium paint used by the aerospace industry?

For coatings with a high-solids content (95% or more), what kinds of defects, such as holidays or micropores, are possible or likely to occur in the applied film? How can these be prevented or remedied?

What type of material should I use to achieve bright, bold colors on a concrete floor with heavy foot traffic?

What are the essential books a Coating Inspector and/or foreman might want to have in his Library?

When a specification requires Manufacturer X’s system “or equivalent,” what does “or equivalent” mean, and who decides what’s equivalent?

How do you use smartphone apps on the job? What tasks or needs does your phone or tablet help with during the course of a day?

How do you determine the best type of staining to impart color and seal on a 30 to 40-year-old brick building being restored with some brick-faced additions?

What are some ways to improve transfer efficiency of airless spray application?

What is the best method for removing a day-glo orange spray graffiti from a brick wall?

Is there a quick way to determine the validity of a claim of “extreme durability” for a new concrete floor coating material exposed to heavy foot traffic?

Is it sufficient to specify simply that paint should be applied "according to the manufacturer’s instructions?" If not, what kind of detail should be included?

In what type of environment is the use of a vapor-impermeable air/moisture barrier recommended? Are there guidelines or standards to help determine this?

Is there a definitive relationship between mechanical properties of coatings (such as elongation and tensile strength) and crack-bridging capability?

What is the best method of testing for moisture content in concrete masonry unit (CMU) walls before application of coatings?

What is the best combination of metal and coatings for creating bright colors on public art and sculpture, keeping in mind durability, cost, maintenance, and gloss and color retention?

What type of material should I use to achieve bright, bold colors on a concrete floor that gets heavy foot traffic?

What should be considered in replacing a wooden deck with one made of concrete, in terms of the options for appearance, color, cost? I've seen articles about stains, integral coloring, and other decorative treatments, as well as lighter-weight concrete, but it's not easy to compare and judge the options.

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

How do I deal with the small cracks and fractures that occur along the edges and corners of the stone imprints in some of my stamped concrete work?

What is the best way for me to assure I'm getting what I want when I specify a decorative finish such as glazing or gilding?

I keep reading references to sweep blasting, but I can't find a standard for it. What is sweep blasting, and is there a standard for it in the U.S. or elsewhere?

What is the best combination of metal and coatings for creating bright colors on public art and sculpture, keeping in mind durability, cost, maintenance, and gloss and color retention?

What kind of training and credentials are needed in the U.S. for industrial painters who work near live wires?

What is the best combination of metal (for instance, steel or aluminum) and coatings for creating bright colors on public art and sculpture, considering durability, initial cost, maintenance burden, resistance to vandalism, and gloss and color retention.

What type of material should I use to achieve bright, bold colors on a concrete floor with heavy foot traffic?

Your field surface preparation requires SSPC SP-10 and your field bolting uses hot-dip galvanized bolts. What surface preparation do you require/allow on and around the bolts?

A specification for a bridge to be built of high-performance weathering steel requires an SSPC-SP 10, a profile of 3 to 5 mils, and metallizing with a final DFT of 10-12 mils. What challenges, time, and costs are associated with obtaining the profile?

How should a conflict between requirements, such as film thickness, on a product data sheet and the specification be resolved?

ASTM International announced it would develop a proposed standard for fiber-reinforced concrete to give the engineering community the data needed to measure tensile strength. While it was reported that the use of fiber reinforcement has been “limited,” do you believe fiber-reinforced concrete will become more widely used in the construction industry within the next decade?

When SSPC-SP3 (Power Tool Cleaning) is specified, how should one decide when to apply the tool to the entire surface and when to use it just where the coating appears defective or rusting?

What are the pros and cons of acid-staining a concrete floor?

What is the best way for me to assure I’m getting what I want when I specify a decorative finish such as glazing or gilding?

When SSPC-SP3 (Power Tool Cleaning) is specified, how should one decide when to apply the tool to the entire surface and when to use it just where the coating appears defective or rusting?

Is it sufficient to specify simply that paint should be applied "according to the manufacturer’s instructions?" If not, what kind of detail should be included?

Under what circumstances is third-party inspection justified on commercial coating work?

Where can I find industry standards for air quality during spray painting operations, specifically regarding moisture, oil and particulates?

What is the best combination of metal and coatings for creating bright colors on public art and sculpture, keeping in mind durability, cost, maintenance, and gloss and color retention?

What type of material should I use to achieve bright, bold colors on a concrete floor that gets heavy foot traffic?

What kind of training and credentials are needed in the U.S. for industrial painters who work near live wires?

I keep reading references to sweep blasting, but I can't find a standard for it. What is sweep blasting, and is there a standard for it in the U.S. or elsewhere?

As an engineer in a moderate-sized chemical plant, how can I justify the cost of third-party inspection to upper management?

How should a conflict between requirements, such as film thickness, on a product data sheet and the specification be resolved?

What is the best way for me to assure I'm getting what I want when I specify a decorative finish such as glazing or gilding?

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