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When the bottom plate of the wall immediately above, each braced wall panel shall be at least 96 inches above the cripple wall is interrupted by openings (2438 mm) in length where applied to one face of a braced in the wall (i.e., doors), a corrosion- resistant steel wall panel and at least 48 inches (1219 mm) where applied to tie strap or hold -down capable of providing uplift both faces. capacity of not less than 1,800 pounds (816.5 kg) shall be installed on both sides of the opening and Exceptions: connected to the cripple wall below. 1. Lengths of braced wall panels for continuous wood 4. A minimum of 65 percent of the cripple wall structural panel sheathing shall be in accordance length along each braced wall line shall be with Section R602.10.5. sheathed with wood structural panels. - 2. Lengths of alternate braced wall panels shall be in 5. Exterior framed walls supporting three stories are accordance with Section :.1 I • not permitted in Seismic Design Category D2. R602.10.5 Continuous structural panel sheathing. When continuous wood structural panel sheathing is provided in R602.10.3 Braced wall panel construction methods. The accordance with Method 3 of Section R602.10.3, including construction of braced wall panels shall be in accordance areas above and below openings, braced wall panel lengths with one of the following methods: shall be in accordance with Table R602.10.5. Wood struc- 1. Nominal 1- inch -by -4 -inch (25.4 mm by 102 mm) con- tural panel sheathing at corners shall be installed in accor- tinuous diagonal braces let in to the top and bottom dance with Figure R602.10.5. The bracing amounts in Table plates and the intervening studs or approved metal strap R602.10.3 for Method 3 shall be permitted to be multiplied devices installed in accordance with the manufacturer's by a factor of 0.9 for walls with a maximum opening height specifications. The let -in bracing shall be placed at an that does not exceed 85 percent of the wall height or a factor angle not more than 60 degrees (1.06 rad) or less than of0.8 for walls with a maximum opening height that does not 45 degrees (0.79 rad) from the horizontal. exceed 67 percent of the wall height as per Table 2. Wood boards of 5 /8 inch (15.9 mm) net minimum thick- R602.10.3(2). ness applied diagonally on studs spaced a maximum of • , I .10.6 Alterna e braced wall panels. Alternate braced 24 inches (610 mm). Diagonal boards shall be attached wall panels constructed in accordance with one of the fol- II to studs in accordance with Table R602.3(1). lowing provisions shall be permitted to replace each 4 feet . ood structural panel sheathing with a thickness not (1219 mm) of braced wall panel as required by Section less than 5/16 inch (7.9 mm) for 16 -inch (406 mm) stud R602.10.4: spacing and not less than 3 /8 inch (9.5 mm) for 24 -inch 1. In one -story buildings, each panel shall have a length of (610 mm) stud spacing. Wood structural panels shall be not less than 32 inches (813 mm) and a height of not I I installed in accordance with Table R602. more than 10 feet (3048 mm). Each panel shall be 4. One -ha -inc ( .7 mm) or 2 32 -inch (19.8 mm) thick sheathed on one face with 3 / 8 - inch - minimum- thickness structural fiberboard sheathing applied vertically on (9.5 mm) wood structural panel sheathing nailed with studs spaced a maximum of 16 inches (406 mm) on cen- 8d common or galvanized box nails in accordance with ter. Structural fiberboard sheathing shall be installed in Table R602.3(1) and blocked at all wood structural pan - accordance with Table R602.3(1). el sheathing edges. Two anchor bolts installed in accor - C 5. ypsum board with minimum /2 -inch (12.7. mm) thickness placed on studs spaced a maximum of dance with Figure R403.1(1) or approved equivalent shear connectors shall be provided in each panel. An- 24 inches (610 mm) on center and fastened at the edge chor bolts shall be placed at panel quarter points. Where of the panel 4t 7 inches (178 mm) on center with nails in each panel is supported directly on a foundation or on accordance with Table R70, floor framing supported directly on a foundation, each panel end stud shall have a tie -down device fastened to 6. - • is e wall sheathing panels installed in accor the foundation, capable of providing an uplift capacity dance with Table R602.3(4). of at least 1,800 pounds (816.5 kg). The tie -down de- 7. Portland cement plaster on studs spaced a maximum of vice shall be installed in accordance with the manufac- 16 inches (406 mm) on center and installed in accor- turer's recommendations. These foundation walls and dance with Section R703.6. footings shall be reinforced with a minimum of two No. 8. Hardboard panel siding when installed in accordance 4 horizontal bars, one located at the top of the wall and with Table R703.4. one located a minimum of 3 inches (76 mm) from the Exception: Alternate braced wall panels constructed in bottom of the footing [or two No. 4 horizontal bars lo- accordance with Section R602.10.6 shall be permitted to Gated a minimum of 3 inches (76 mm) from the bottom replace any of the above methods of braced wall panels. of the footing] extending not less than 6 feet (1525 mm) each way from the center of the panel with No. 4 verti- R602.10.4 Length of braced panels. For Methods 2, 3, 4, 6 cal bars spaced not more than 24 inches (610 mm) on and 7 above, each braced wall panel shall be at least center. When the continuous foundation is required to 48 inches (1219 mm) in length, covering a minimum of three have a depth greater than 12 inches (305 mm), a mini- stud spaces where studs are spaced 16 inches (406 mm) on mum 12- inch -by -12 -inch (305 mm by 305 mm) contin- center and covering a minimum of two stud spaces where uous footing or turned down slab edge is permitted at studs are spaced 24 inches (610 mm) on center. For Method 5 door openings in the braced wall line. This continuous 2000 INTERNATIONAL RESIDENTIAL CODE© 117 • WALL CONSTRUCTION FIGURE R602.10.5 - R602.10.11 !Mal 16d NAIL AT 24 IN. O.C. GYPSUM WALL BOARD INSTALLED IN ACCORDANCE WITH CHAPTER 7 LA A A - 8d NAIL AT 6 IN. O.C. 8d NAIL AT 12 IN. O.C. ON ALL WOOD STRUCTURAL PANEL (ALL PANEL EDGES) FRAMING MEMBERS NOT AT INSTALLED IN ACCORDANCE PANEL EDGES WITH TABLE R602.3(1) (a) OUTSIDE CORNER DETAIL GYPSUM WALL BOARD INSTALLED IN ACCORDANCE WITH CHAPTER 7 (INTERIOR) L 111111141.- WOOD STRUCTURAL PANEL INSTALLED IN ACCORDANCE 16d NAIL AT 24 IN. O.C. WITH TABLE R602.3(1) 8d NAIL AT 6 IN. O.C. ON ALL FRAMING MEMBERS AT.PANEL EDGES AND 12 IN. O.C. ON ALL FRAMING MEMBERS NOT I `` I AT PANEL EDGES • (b) INSIDE CORNER DETAIL For SI: I inch = 25.4 mm. FIGURE R602.10.5 EXTERIOR CORNER FRAMING 2. In walls sheathed in accordance with Table foundation or framing below. Each tie down device R602.10.3(2), the end of the braced wall panel clos shall be capable of providing an uplift allowable de- est to the corner shall have a tie -down device fas- sign value of at least 1,800 pounds (816.5 kg). The tened to the stud at the edge of the braced wall panel tie -down device shall be installed in accordance with closest to the corner and to the foundation or framing the manufacturer's recommendations. below. The tie -down device shall be capable of pro- viding an uplift allowable design value of at least Interior braced wall lines are not required to align vertical - 1,800 pounds (816.5 kg). The tie -down device shall ly with interior braced wall lines on adjacent stories. Interior be installed in accordance with the manufacturer's braced wall lines are required to extend to perpendicular ex- recommendations. terior braced wall lines. Interior braced wall lines shall con - 3. In walls sheathed in accordance with Table sist of braced wall panels which meet the percentage require - R602.10.3(1) with less than 25 percent of the braced ment set forth in Table R602.10.3(1) or Table R601.10.3(2) wall in full height panels, the end of each side of the but not be subject to the spacing requirement set forth in braced panel closest to the corner shall have a tie- these tables. Interior braced wall panels shall begin within 8 down device fastened to each end stud and to the feet (2438 mm) from each end of an interior braced wall line. • 2000 INTERNATIONAL RESIDENTIAL CODE® 121 TABLE R602.3(1) WALL CONSTRUCTION • TABLE R602.3(1) FASTENER SCHEDULE FOR STRUCTURAL MEMBERS NUMBER AND TYPE OF DESCRIPTION OF BUILDING ELEMENTS FASTENERa SPACING OF FASTENERS Joist to sill or girder, toe nail 3 -8d — 1" x 6" subfloor or less to each joist, face nail 2 -8d — 2 staples, 1 — 2" subfloor to joist or girder, blind and face nail 2 -16d — II Sole plate to joist, solid deck or blocking, face nail 16d. 16" o.c. Top or sole plate to stud, end nail 2 -16d — Stud to sole plate, toe nail 3 -8d or 246d — Double studs, face nail I Od 24" o.c. Double top plates, face nail 10d 24" o.c. II Sole plate to joist, solid deck or blocking at braced wall panels 3 -16d per 16" Double top plates, minimum 48 -inch offset of end joints, face nail in 8 -16d — lapped area Blocking between joists or rafters to top plate, toe nail 3 -8d — Rim joist to top plate, toe nail 8d 6" o.c. Top plates, laps at corners and intersections, face nail 2 -10d — Built-up header, two pieces with 1 /2" spacer 16d 16" o.c. along each edge Continued header, two pieces 16d 16" o.c. along each edge Ceiling joists to plate, toe nail 3 -8d — Continuous header to stud, toe nail 4 -8d — Ceiling joist, laps over partitions, face nail 3 -10d — Ceiling joist to parallel rafters, face nail 3 -10d — Rafter to plate, toe nail 2 -16d 1" brace to each stud and plate, face nail 2 -8d — 2 staples, 1 — 1" x 6" sheathing to each bearing, face nail 2 -8d — 2 staples, 1 — 1" x 8" sheathing to each bearing, face nail 2 -8d — 3 staples, 1 — Wider than 1" x 8" sheathing to each bearing, face nail 3 -8d — 4 staples, 1 — Built -up corner studs 10d 24" o.c. Built -up girders and beams, 2 -inch lumber layers 10d Nail each layer as follows: 32" o.c. at top and bottom and staggered. Two nails at ends and at each splice. 2" planks 2 -16d At each bearing Roof rafters to ridge, valley or hip rafters: toe nail 4 -16d — face nail 3 -16d — Rafter ties to rafters, face 3 -8d — Wood structural panels, subfloor, roof and wall sheathing to framing, and particleboard wall sheathing to framing 5 /16 - 1 /2 6d common nail (subfloor, wall) 6 12g 8d common nail (roof)f 19 /32 -1 8d common nail 6 12g 1 10d common nail or 8d deformed 6 12 nail (continued) 104 2000 INTERNATIONAL RESIDENTIAL CODE© ' WALL CONSTRUCTION TABLE R602.3(1) • TABLE R602.3(1)— continued FASTENER SCHEDULE FOR STRUCTURAL MEMBERS SPACING OF FASTENERS DESCRIPTION OF BUILDING MATERIALS • DESCRIPTION OF FASTENERb • : Edges ( inches)';,- • I Intermediate supportscm (inches) 1 /2" regular cellulosic "1 galvanized roofing nail 6d 6 fiberboardsheathing common nail staple 16 ga., 1 long • I /2 structural cellulosic fiberboard 1 galvanized roofing nail 8d 3 . 6 sheathing -- common nail staple 16 ga., 1 long 25 /32 structural cellulosic fiberboard 13/4 galvanized roofing nail 8d 3. 6 sheathing - - -- - common nail staple 16 ga., 1 long 1 /2 gypsum sheathing 1 galvanized roofing nail; 4 8 6d common nail; staple galvanized, 1 /2 long; 1 screws, Type W or S 5 /8 gypsum sheathing l galvanized roofing nail; 4 8 • 8d common nail; staple galvanized, 1 long; 1 screws, Type W or S Wood structural panels, combination subfloor underlayment to framing 3 / 4 and less 6d deformed nail or 8d common nail 6 12 7 /8 -1 - 8d common nail or 8d deformed nail 6 12 1 -1 lOd common nail or 8d deformed .. 6 12 nail _ _. For SI: l inch = 25.4 mm, l foot = 304.8 mm, 1 mile per hour = 1.6091cm/h.. a. All nails are smooth - common, box or deformed shanks except where otherwise stated. b. Staples are 16 gage wire and have a minimum 7/16 -inch on diameter crown width. c. Nails shall be spaced at not more than 6 inches on center at all supports where spans are 48 inches or greater. d. Four - foot -by -8 -foot or 4- foot -by -9 -foot panels shall be applied vertically. e. Spacing of fasteners not included in this table shall be based on Table R602.3(2). f. For regions having basic wind speed of 110 mph or greater, 8d deformed nails shall be used for attaching plywood and wood structural panel roof sheathing to framing within minimum 48 -inch distance from gable end walls, if mean roof height is more than 25 feet, up to 35 feet maximum. g. For regions having basic wind speed of less than 110 mph, nails for attaching wood structural panel roof sheathing to gable end wall framing shall be spaced 6 I inches on center When basic wind speed is greater than 100 mph, nails for attaching panel roof sheathing to intermediate supports shall be spaced 6 inches on center for minimum 48 -inch distance from ridges, eaves and gable end walls; and 4 inches on center to gable end wall framing. h. Gypsum sheathing shall conform to ASTM C 79 and shall be installed in accordance with GA 253. Fiberboard sheathing shall conform to either AHA 194.1 or ASTM C 208. i. Spacing of fasteners on floor sheathing panel edges applies to panel edges supported by framing members and at all floor perimeters only. Spacing of fasteners on roof sheathing panel edges applies to panel edges supported by framing members and at all roof plane perimeters. Blocking of roof or floor sheathing panel edges perpendicular to the framing members shall not be required except at intersection of adjacent roof planes. Floor and roof perimeter shall be supported by framing members or solid blocking. j. Interior non - braced wall lines may be nailed with a minimum 4 -10d nails. 2000 INTERNATIONAL RESIDENTIAL CODE® 105 WALL COVERING TABLE R702.3.5 - R702.6.1 /1 e 5 TABLE R702.3.5 N _ , MINIMUM THICKNESS AND APPLICATION OF GYPSUM BOARD d ' THICKNESS MAXIMUM MAXIMUM SPACING OF SPACING OF OF FASTENERS GYPSUM ORIENTATION OF FRAMING (inches) BOARD GYPSUM BOARD TO MEMBERS SIZE OF NAILS FOR APPLICATION (inches) APPLICATION FRAMING (inches o.c.) Nailsa Screwsb TO WOOD FRAMING° Application without adhesive Ceiling Perpendicular 16 7 12 13 gage, 1 long, 19 /64" head; 0.098 3/8 diameter, 1 long, annular- ringed; or 4d Wall Either direction 16 8 16 cooler nail, 0.080" diameter, 1 long, 7 /32" head. • Ceiling Either direction 16 7 12 13 gage, 1 long, 19 /64" head; 0.098 • Ceilingd Perpendicular 24 7 12 diameter, 1 long, annular-ringed; 5d15 1/ cooler nail, 0.086 diameter, 1 long, /64" Wall Either direction 24 8 12 head; or gypsum board nail, 0.086 diameter, Wall Either direction 16 8 16 1 long, /32" head. Ceiling Either direction ] 6 7 12 13 gage, 1 /8" long, 19 /64" head; 0.098 • Ceiling Perpendicular 24 7 12 diameter, 1 /8" long, annular ringed; 6d 5/ cooler nail, 0.092 diameter, 1 long, 1 /4" Wall Either direction 24 8 12 head; or gypsum board nail, 0.0915 diameter, Wall Either direction 16 8 16 1 long, 79 /64" head. Application with adhesive Ceiling Perpendicular 16 16 16 3 • 3/8 Same as above for /8" gypsum board Wall Either direction 16 16 24 Ceiling Either direction 16 16 16 1 /2 or 5 /g Ceiling Perpendicular 24 12 16 Same as above for 1!2" and 5 /8" gypsum board, respectively Wall Either direction 24 16 24 two Ceiling Perpendicular 16 16 16 Base ply nailed as above for 1 /2" gypsum 3 /8 layers Wall Either direction 24 24 24 board; face ply installed with adhesive For SI: 1 inch = 25.4 mm. • a. For application without adhesive, a pair of nails spaced not less than 2 inches apart or more than 2 inches apart may be used with the pair of nails spaced - 12 inches on center. b. Screws shall be Type S or W per ASTM C 1002 and shall be sufficiently long to penetrate wood framing not less than 5 43 inch and metal framing not less than 3 /8 inch. c. Where metal framing is used with a clinching design to receive nails by two edges of metal, the nails shall be not less than 5 /8 inch longer than the gypsum board thickness and shall have ringed shanks. Where the metal framing has a nailing groove formed to receive the nails, the nails shall have barbed shanks or be 5d, 13 gage, 1 /8 inches long, 1 -inch head for 1 /2 -inch gypsum board; and 6d, 13 gage, 1 inches long, 15 /64 -inch head for 5 18 -inch gypsum board. d. Three- eighths- inch -thick single -ply gypsum board shall not be used on a ceiling where a water -based textured finish is to be applied, or where it will be required to support insulation above a ceiling. On ceiling applications to receive a water -based texture material, either hand or spray applied, the gypsum board shall be . applied perpendicular to framing. When applying a water -based texture material, the minimum gypsum board thickness shall be increased from 3 /8 inch to 1 /2 inch for 16 -inch on center framing, and from 1 /2 inch to 5 /8 inch for 24 -inch on center framing or 1 /2 -inch sag - resistant gypsum ceiling board shall be used. R702.4 Ceramic tile. ing spaced not more than 16 inches (406 mm) on center. Wood veneer and hard board paneling less than 1 /4 inch (6.4 mm) R702.4.1 General. Ceramic tile surfaces shall be installed nominal thickness shall not have less than a 3 /g -inch (9.5 mm) in accordance with ANSI A108.1, A108.4, A108.5, gypsum board backer. Wood veneer paneling not less than A108.6, A108.11, A118.1, A118.3, A136.1 and A137.1. I/4 -inch (6.4 mm) nominal thickness shall conform to ANSI/ R702.4.2 Gypsum backer. Gypsum board utilized as the HPVA HP -1. Hardboard paneling shall conform to ANSI/ base or backer board for adhesive application of ceramic AHA A135.5. tile or other nonabsorbent finish material shall conform R702.6 Wood shakes and shingles. Wood shakes and with ASTM C 630 or C 1178. Water- resistant gypsum back- shingles shall conform to CSSB Grading Rules for Wood ing board shall be permitted to be used on ceilings where Shakes and Shingles and shall be permitted to be installed framing spacing does not exceed 12 inches (305 mm) on directly to the studs with maximum 24 inches (610 mm) on center for 1 /2 inch thick (12.7 mm) or 16 inches (406 mm) center spacing. for 5 /g- inch -thick (15.9 mm) gypsum board. All cut or exposed edges, including those at wall intersections, shall R702.6.1 Attachment. Nails, staples or glue are permitted be sealed as recommended by the manufacturer. for use in attaching shakes or shingles to the wall, and the shakes or shingles shall be permitted to be attached directly R702.5 Other finishes. Wood veneer paneling and hardboard to the surface provided the fasteners are appropriate for the paneling shall be placed on wood or cold - formed steel fram- type of wall surface material. When nails or staples are 2000 INTERNATIONAL RESIDENTIAL CODE® 203