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Problem Solving Forum (8)

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?

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

How can it be determined if moisture within a CMU wall is causing repeated coating failure? If so, can the source of moisture entry be accurately identified for correction?

RH probes are commonly used in concrete floors to determine moisture content. Can they be used in CMU walls or pre-cast walls?

How long can a blasted surface be left before priming under different temperatures/relative humidity environments?

When the relative humidity in a paint shop exceeds 80%, how can you apply waterborne inorganic zinc so that it cures sufficiently for topcoating in a reasonable time?

When moisture permeates concrete slabs or walls below grade, how can this problem be solved and does it require excavation?

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


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