04.21.00 Clay Unit Masonry
04.21.13.23 Surface-Bonded Brick Masonry
04.21.13 Brick Masonry 04.21.13.13 Brick Veneer Masonry 04.21.13.23 Surface-Bonded Brick Masonry 04.21.16 Ceramic Glazed Clay Masonry 04.21.19 Clay Tile Masonry 04.21.23 Structural Clay Tile Masonry 04.21.26 Glazed Structural Clay Tile Masonry 04.21.29 Terra Cotta Masonry 04.21.30 Adhered Thin Brick Masonry