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This however, does not always happen,” said Nick Blohowiak, a regional manager for Minnesota-based SPEC MIX.
The quantity of new reinforced masonry construction projects has increased steadily in the United States during the past several years, led primarily by commercial projects (big-box retail, hotels and low-rise residential) and school construction.
Thus, ensuring that you are well informed on the latest requirements, specifications and materials for grouting masonry walls could serve you well. Essentially, there are two forms of reinforced masonry construction (RMC): low-lift (simultaneous masonry construction and grouting), and high-lift (grouting after masonry construction).
(More changes are, in fact, planned for the national codes, including updates for self-consolidating grout.) Additionally, the introduction of self-consolidating grout (SCG) has led some construction professionals to believe that vibration no longer was necessary, as if all grouts provided SCG’s self-consolidating qualities.
It is important to note, however, that SCGs generally only reduce the need for vibration as opposed to eliminating it entirely.
In either form, the majority of corefill grout is used with concrete masonry units, while only a small percentage is used with clay brick construction.