Copyright Goodheart-Willcox Co., Inc. Chapter 14 Wall Systems 277 Nationally recognized building codes, such as ICC and MSJC, permit the use of exterior load- bearing 6″ masonry walls for one-story, single- family dwellings where the wall height does not exceed 9′ to the eaves and 15′ to the gable peak. Figure 14-2 shows typical sections of 6″ walls. The masonry units most commonly used for this type of construction are SCR (Structural Clay Research) bricks. SCR is a trademark of the Structural Clay Products Institute (now the BIA). Goodheart-Willcox Publisher Figure 14-2. Details of 6″ masonry wall construction using SCR brick. 8" Furring anchor Interior finish Furring Finish floor 6" Masonry Interior finish Furring Finish floor Blocking joist Metal tie 6" Masonry units Flashing Weep holes 2' 0" O.C. Parging Blocking joist Metal tie 6" Masonry wall Flashing Weep holes 2' 0" O.C. Grade 6" Slab Construction Perimeter insulation Compacted sand 6" Masonry wall Flashing Weep holes 2' 0" O.C. Furring Interior finish Furring anchor Finish floor Blocking joist Metal ties 4" brick Compacted soil Vapor seal Floor slab Base trim Furring anchor Furring Interior finish 2" Flashing 6" Masonry wall Weep holes 2' 0" O.C. 4" bed depth to match units above 2" Corbel with Brick 12" Thick Foundation Grade 12" Crawl Space Grade 8"