Problem Solving Forum (14)


How do you repair polyurea coatings?


The trend in bridge repainting projects is that they are routinely including structural repairs; however, the sequencing of the work on these projects is important. When should structural repairs be conducted: before, during or after the cleaning and repainting operations?


What are the best solutions (and limitations) for refurbishing small diameter (less than 10-inch) embedded pipelines with multiple bends?


For st.2/st.3 prepared surfaces like luffing crane refurbishment in marine c5, environmental condition can extend warranties, or any standard guideline or in-meeting specific criteria warranty can be offered. Paint manufacturers sometimes do offer, but is there any set guideline for them?


What percentage of deterioration is acceptable at a one-year warranty inspection of water tank linings before a contractor must repair the coating job?


When preparing to refurbish 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?


The facade of my late-19th-century, cast-iron office building has been coated several times, most recently in the 1960s. The paint is faded and delaminating, and I want to remove and replace it. How do I assess the condition of the cast iron and coating, repair weakened areas of the cast iron and prepare and recoat the surface?


What is the recommended coating system and procedure for repairing deteriorated inorganic zinc/epoxy/polyurethane 3-coat systems? Does the repair system or procedure vary with the degree of deterioration and if so, how?


The trend in bridge repainting projects is that they are routinely including structural repairs; however, the sequencing of the work on these projects is important. When should structural repairs be conducted: before, during or after the cleaning and repainting operations?


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 are the alternatives for removing mildew from uncoated concrete block exteriors before coating?


What tests should be run to determine if an existing concrete bridge pier needs rehabilitation or repair before cleaning and coating?


What is the most common or economical coating system for rehabbing the exterior of above-ground storage tanks?


How do you repair polyurea coatings?


 
 
   

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