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Fire Rated CMU

Ernest Maier will furnish Concrete Masonry Units that can provide a fire rating resistance in excess of one, two, three and four hours as evidenced by the ratings shown in IBC 2003 or National Concrete Masonry Association Tek Note 7-1C. We are also listed as an approved manufacturer with Underwriters Laboratories and manufacture Certified UL CMU to be used in various UL Designs.

UL Certified
UL ListingUL Listing (click to enlarge)
UL CertificateUL Certificate (click to enlarge)

NCMA CertificateNCMA Certificate (click to enlarge)
Click to Download CMU Fire Ratings Guide