IICRC SMT study guide
IICRC SMT · Work through your exam, one topic at a time.
The Stone, Masonry and Ceramic Tile Cleaning Technician (SMT) credential is issued by the IICRC, a non-profit organization for the inspection, cleaning and restoration industries. According to the IICRC's SMT page, the certification "demonstrates covers for the proper maintenance and cleaning of natural and human-made (cultured) stone, ceramic tile, masonry, and grout surfaces" and signals that a technician can "demonstrate what you know and how to perform maintenance-related tasks involving stone, masonry, and ceramic tile surfaces." It is aimed at cleaning and maintenance technicians, flooring-care specialists and business owners who service hard surfaces in homes and commercial buildings. The IICRC SMT study guide has 4 sections and about 1,447 words.
01Maintenance and Cleaning of Natural Stone Surfaces
This domain covers maintenance and cleaning of natural stone surfaces such as marble, travertine, limestone, granite, slate, quartzite and sandstone. Questions focus on identifying stone and finish, choosing pH-compatible chemistry, using safe agitation and rinsing, selecting sealers, and removing stains without etching or scratching.
365 words, about 2 min02Maintenance and Cleaning of Human-Made (Cultured) Stone Surfaces
This domain covers human-made (cultured) stone surfaces, including engineered quartz, cultured marble, cultured granite and solid-surface materials. The exam tests material identification, resin-binder sensitivity, heat and chemical limits, non-abrasive maintenance, and when sealing is unnecessary or harmful.
361 words, about 2 min03Maintenance and Cleaning of Ceramic Tile Surfaces
This domain covers maintenance and cleaning of ceramic tile surfaces, including glazed ceramic, porcelain, quarry tile and related tile assemblies. The exam tests glaze and body identification, pH selection, agitation limits, grout protection, and safe removal of soap scum, grease and mineral deposits.
361 words, about 2 min04Maintenance and Cleaning of Masonry and Grout Surfaces
This domain covers maintenance and cleaning of masonry and grout surfaces, including brick, concrete block, mortar, stucco and cementitious or resin grout. The exam tests efflorescence control, acid caution, pressure limits, grout cleaning and sealing, and protection of adjacent materials.
360 words, about 2 min