Compliance with Sentence 9.27.11.1.(2) and CAN/CGSB-93.2-M, “Prefinished Aluminum Siding, Soffits, and Fascia for Residential Use”, is required for aluminum siding that is installed in horizontal or vertical strips. Compliance with Sentence 9.27.11.1.(3) and CAN/CGSB-93.1-M, “Sheet, Aluminum Alloy, Prefinished, Residential”, is required for aluminum cladding that is installed in large sheets.