Building Codes and Ordinances ARC 227

Building MaterialsChapter 23 – WoodChapter 23- General Construction RequirementsRoof Sheathing - Table 2304.7 – allowable spans for sheathingFloor Sheathing - Table 2304.7 – allowable spans for sheathingFastening Requirements – Table 2304.9.1.Protection against decay and termites –- wood siding to 6” min. above exposed earth - otherwise needs to beprotected- all framing including sheathing min. 8” above exposed earth- required 1 ½” clear air space on sides, top and end of girders enteringmasonry or concrete exterior walls- framing less than 18” above exposed earth need to be naturally durable orP.T.- any structural wood members in touch with the ground or embedded inconcrete need to be of naturally durable material or P.T.