ICC-ES Evaluation Report ESR-894 Reissued April 04 This report is subject to renewal April, 0. www.icc-es.org (800) 4-87 () 99-04 A Subsidiary of the International Code Council DIVISION: 07 00 00 THERMAL AND MOISTURE PROTECTION Section: 07 4 4 Fiber-Cement Siding REPORT HOLDER: NICHIHA USA, INC. 9 PEACHTREE INDUSTRIAL BOULEVARD, SUITE AA NORCROSS, GEORGIA 009 (770) 80-94 www.nichiha.co.jp www.nichiha.com rhotta@nichiha.com EVALUATION SUBJECT: NICHIBOARD (ALSO KNOWN AS ECOPLANK) LAP SIDING, NICHISHAKE INDIVIDUAL SHAKES, NICHIPANEL VERTICAL SIDING AND NICHISOFFIT PANELS.0 EVALUATION SCOPE Compliance with the following codes: 009 International Building Code (IBC) 009 International Residential Code (IRC) Properties evaluated: Weather resistance Structural (transverse and racking shear loading) Surface-burning characteristics Fire-resistance-rated construction.0 USES The (also known as EcoPlank) lap siding, NichiShake individual shakes, NichiPanel vertical siding and NichiSoffit products are used as exterior wall coverings and soffits. The Nichiha products may be used on exterior walls of Types I, II, III, IV and V construction when installed in accordance with Section 40. of the IBC. The products may be used in fire-resistance-rated walls when constructed in accordance with Section 4.8..0 DESCRIPTION. General: The products are reinforced fiber cement panels made of proprietary constituents and portland cement. The lap siding, NichiShake individual shakes and NichiPanels vertical siding comply with ASTM C 8, Type A, Grade II. The products are available in lengths, widths and thicknesses as shown in Table.. Surface-burning Characteristics and Noncombustibility: The Nichiha products exhibit a flame-spread index of or less and smoke-developed index of 40 or less when tested in accordance with ASTM E 84; and are classified as noncombustible when tested in accordance with ASTM E. 4.0 DESIGN AND INSTALLATION 4. General: Installation must comply with this report and the manufacturer s installation instructions. The manufacturer s published installation instructions and this report must be adhered to and a copy of the instructions and this report must be available at all times on the jobsite during installation. The products must be installed over wall framing and sheathing designed to resist loads in accordance with the applicable code. The wall framing and sheathing must be covered with an approved water-resistive barrier complying with IBC Section 40. and IRC Section R70. prior to installation of the Nichiha products. Fasteners used to install the Nichiha products must be corrosion-resistant and sized as specified in this report. A clear distance of inches ( mm) must be maintained between all Nichiha products and the soil on the ground. 4. Lap Siding: Lap Siding must be applied horizontally, commencing from the bottom of a wall, and with a minimum / 4 -inch-wide ( mm) overlap at the top of each panel. Vertical joints between panels must be over studs and must be staggered on subsequent courses. The vertical panel joints must be gapped / 8 inch (. mm) and filled with exterior-grade sealant conforming to ASTM C 90. A strip of flashing may be used for vertical joints. Gaps approximately / 8 inch (. mm) in width must be left at locations where the Nichiha panels butt each other, butt against the door and window trim, butt against inside corners or butt against corner trim. All gaps must be flashed in accordance with the applicable code and then must be filled with exterior-grade sealant conforming to ASTM C 90. Trim and corners must be installed as required by the Nichiha published installation instructions. Fasteners must be placed no closer than / 4 inch (9 mm) from the top edge and a minimum of / 8 inch (9. mm) from panel ends. lap siding may also be installed directly to concrete masonry blocks as set forth in Table b using / 4 -inch-long (44. mm) SurePin fasteners. Gaps approximately / 8 inch (. mm) in width must be left ICC-ES Evaluation Reports are not to be construed as representing aesthetics or any other attributes not specifically addressed, nor are they to be construed as an endorsement of the subject of the report or a recommendation for its use. There is no warranty by ICC Evaluation Service, LLC, express or implied, as to any finding or other matter in this report, or as to any product covered by the report. Copyright 04 Page of 000
ESR-894 Most Widely Accepted and Trusted Page of at locations where the NichihBoard siding panels butt each other, butt against the door and window trim, butt against inside corners or butt against corner trim. All gaps must be flashed in accordance with the applicable code and then must be filled with exterior-grade sealant conforming to ASTM C 90. 4. NichiShake Siding: NichiShake individual shakes must be installed directly on 7 / -inch-thick ( mm) wood structural panels complying with U.S. DOC PS or PS. The installation must be in accordance with Nichiha s published installation instructions. NichiShakes must be blind-nailed through the preceding shake course allowing a / 4 -inch to / -inch (.4 to 8 mm) gap between shakes. NichiShakes must be staggered on subsequent courses. For horizontal joints, a minimum / 4 -inch-wide ( mm) overlap at the top of each shake is required. Fasteners must be placed no closer than / inch ( mm) to shake edges. Shake to trim joints must be gapped / 8 inch (. mm) and must be filled with exterior-grade sealant conforming to ASTM C 90. 4.4 NichiPanel Vertical Siding: The NichiPanel vertical siding must be applied with the long dimension of the panel in the vertical direction parallel to the framing. All panel edges must be backed by nominally -inch ( mm) wood or minimum No. 0 gage [0.0 inch (0.9 mm)],.-inch-by-.7-inch (9 by 4.9 mm), steel, C-shaped framing members. Gaps approximately / 8 inch (. mm) in width must be left at locations where the Nichiha panels butt each other, butt against the door and window trim, butt against inside corners or butt against corner trim. All gaps must be flashed in accordance with the applicable code and then must be filled with exterior-grade sealant conforming to ASTM C 90. Trim and corners must be installed as required by the Nichiha published installation instructions. Fasteners must be placed no closer than / 8 inch (9. mm) to panel edges. The NichiPanel vertical siding may also be installed directly to concrete masonry blocks as set forth in Table b using / 4 -inch-long (.8 mm) SurePin fasteners. Gaps approximately / 8 inch (. mm) in width must be left at locations where the Nichiha panels butt each other, butt against the door and window trim, butt against inside corners or butt against corner trim. All gaps must be flashed in accordance with the applicable code and then must be filled with exterior-grade sealant conforming to ASTM C 90, with a / 4 -inch (.4 mm) gap between flashing and next course of panels. 4. NichiSoffit Panels: The NichiSoffit panels must be attached to framing spaced a maximum of 4 inches (0 mm) on center, with the long dimension of the panel perpendicular to framing and edges supported by framing. Fasteners must be / -inch-long (8 mm), corrosion-resistant roofing nails, and their spacing must not exceed 8 inches (0 mm) on center. 4. Transverse Wind Pressures: The allowable design wind pressures for Nichiha products (based on the panel type, size, framing spacing and fastening schedule) noted in Table b must exceed the design wind pressures as noted in Table a for applicable height, wind speed, exposure and zone. The allowable fastener withdrawal capacity for the fastener, as noted in Table c (based on fastener type, penetration and wood species), must exceed the allowable fastener load in pounds per fastener specified in Table b. 4.7 Racking Shear Loads: The and NichiPanel products may be used on wood or steel framed walls as shearwalls on buildings of Type V construction and dwellings constructed in accordance with the IRC, in Seismic Design Categories A, B and C for wood framed assemblies and Seismic Design Categories A and B for steel framed assemblies. The allowable shear resistance is as set forth in Table. 4.8 One-hour Limited Load-bearing and Nonloadbearing Fire-resistance-rated Wall Assemblies: The and NichiPanel products may be used as components of one-hour fire-resistance-rated wall assemblies when constructed in accordance with Sections 4.8. through 4.8.4. For load-bearing walls, design axial loads are based on 9-foot (.7 m) wall heights. The loadbearing wall assemblies are limited to 8 percent of the adjusted axial design loads. 4.8. Assembly : Limited Load-bearing Wall: Studs are nominally -by-4 wood studs, Douglas fir select structural grade spaced 4 inches (09 mm) on center with double top plates fastened to the studs using / 4 -inch-long (8. mm), No. d common nails. R glass fiber insulation is installed in the wall cavities. Type X gypsum wallboard, / 8 inch thick ( mm), is applied horizontally to both faces of the wall, and fastened to studs with / 8 -inch-thick (4. mm), No. drywall screws at 8 inches on center. Wallboard joints must be staggered from those on the opposite side. Seams in the gypsum wallboard, and fastener heads, must be treated with joint compound in accordance with ASTM C 840 or GA-. Fifteen-pound felt paper, complying with ASTM D, must be installed horizontally, with a -inch ( mm) overlap, over the fire side/interior of the wall assembly using / 4 -inch-long (. mm) staples. Twelve-inch-wide (0 mm) must be installed with a 0-inch (4 mm) exposure, horizontally on the nonfire side of the wall assembly, using No. d common nails (three nails per board at each stud). 4.8. Assembly : NichiPanel Limited Load-bearing Wall: The studs are nominally -by-4 wood studs, Douglas fir select structural grade spaced 4 inches (09 mm) on center, with double top plates fastened to the studs using No. d, / 4 -inch-long (8. mm) common nails. R glass fiber insulation is installed in the cavities. Type X gypsum wallboard, / 8 inch thick ( mm), is applied horizontally to both faces of the wall, and fastened to studs with / 8 inch thick (4. mm), No. drywall screws at 8 inches (0 mm) on center. Wallboard joints must be staggered from those on the opposite side. Seams in the gypsum wallboard, and fastener heads, must be treated with joint compound in accordance with ASTM C 840 or GA-. Fifteen-pound felt paper, complying with ASTM D, must be installed horizontally, with a -inch ( mm) overlap, over the fire side of the wall assembly, using / 4 -inch-long (. mm) staples. NichiPanel must be installed vertically to the fire side/interior of the wall assembly using / 4 -inch-long (7 mm), No. 8d, common nails. The NichiPanels must be nailed at inches ( mm) on center on all panel edges and inches (0 mm) on center in the field to intermediate studs. 4.8. Assembly : Nonload-bearing Wall: No. 0 gage, / 8 -inch-deep-by- / -inch (9 mm by 8 mm), steel C-shaped studs are spaced at 4 inches (09 mm) on center and fastened to top and bottom tracks using / 4 -inch (9 mm), self-tapping pan head screws. R glass fiber insulation is installed in the wall cavities. Type X gypsum wallboard, / 8 inch thick ( mm), is applied
ESR-894 Most Widely Accepted and Trusted Page of horizontally to both faces of the wall and fastened to studs with / 8 -inch-thick (4. mm) drywall screws at 8 inches (0 mm) on center. Wallboard joints must be staggered from those on the opposite side. Seams in the gypsum wallboard, and fastener heads, must be treated with joint compound in accordance with ASTM C 840 or GA-. Fifteen-pound felt paper must be installed horizontally, with a -inch ( mm) overlap, over both sides of the wall assembly using / 4 -inch-long (. mm) staples. Twelveinch-wide (0 mm) must be installed with a 0-inch (4 mm) exposure, horizontally on the fire side and the nonfire side of the wall assembly, using / 8 -inchthick (4. mm) self-tapping screws (three screws per at each stud). The screws must be / 4 inch (9 mm) below the top edge of the lap siding at each stud location. The walls are rated for fire-resistance exposure from both sides. 4.8.4 Assembly 4: NichiPanel Nonload-bearing Wall: No. 0 gage, / 8 -inch-deep-by- / -inch (9 mm by 8 mm), steel C-shaped studs are spaced at 4 inches on center (09 mm) and fastened to top and bottom tracks using / 4 -inch (9 mm), self-tapping pan head screws. R glass fiber insulation is installed in the wall cavities. Type X gypsum wallboard is applied horizontally to both faces of the wall, and fastened to studs with / 8 -inch-thick (4. mm), No. drywall screws at 8 inches (0 mm) on center. Wallboard joints must be staggered from those on the opposite side. Seams in the gypsum wallboard, and fastener heads, must be treated with joint compound in accordance with ASTM C 840 or GA-. Fifteen-pound felt paper must be installed horizontally, with a -inch ( mm) overlap, over both sides of the wall assembly, using / 4 -inch-long (. mm) staples. NichiPanel is installed vertically on the fire side and nonfire side of the wall assembly using -inch-long ( mm) self-tapping screws. The NichiPanels must be screwed every inches ( mm) on center on all panel edges and inches (0 mm) on center in the field to intermediate studs. The walls are rated for fire-resistance exposure from both sides..0 CONDITIONS OF USE The (also known as EcoPlank) lap siding, NichiShake individual shakes, NichiPanel vertical siding and NichiSoffit products described in this report comply with, or are suitable alternatives to what is specified in, those codes listed in Section.0 of this report, subject to the following conditions:. The products are manufactured, identified and installed in accordance with this report and the manufacturer s published installation instructions. In the event of a conflict between the manufacturer s published installation instructions and this report, this report governs.. In all exterior wall applications, except for installation of the Nichiha products over 7 / -inch-thick ( mm) wood structural panels complying with U.S. DOC PS or PS, or construction in accordance with Section 4.7 of this report, the products must be installed on walls that are braced in accordance with the applicable code.. When used as shearwalls, the products are limited to racking for wind and/or Seismic Design Categories A, B or C for wood construction and A and B for steel construction, under the IBC and IRC..4 The panels are manufactured in Macon, Georgia, under a quality control program with inspections by ICC-ES..0 EVIDENCE SUBMITTED. Data in accordance with the ICC-ES Acceptance Criteria for Fiber Cement Siding Used as Exterior Wall Siding (AC90), dated October 00 (editorially revised February 0).. Data in accordance with Section 4. of the ICC-ES Acceptance Criteria for Shear Evaluation of Proprietary Sheathing Materials Attached to Lightframe Construction or Code-complying Sheathing Attached to Light-framed Walls with Proprietary Fasteners (AC9), dated October 009.. Reports of tests in accordance with ASTM E 84, ASTM E 9 and ASTM E. 7.0 IDENTIFICATION The (also known as EcoPlank) lap siding, NichiShake, NichiPanel vertical siding and NichiSoffit panels must bear a label noting the product name; the manufacturer s name (Nichiha USA, Inc.); the manufacturing plant location; and the evaluation report number (ESR-894).
ESR-894 Most Widely Accepted and Trusted Page 4 of TABLE NICHIHA PANEL TYPES AND DIMENSIONS PRODUCT NAME lap siding THICKNESS (inch) WIDTH (inches) LENGTH / / 4 up to feet NichiShake individual shakes / / 4 / 4 up to 8 inches NichiPanel vertical siding NichiSoffit INSTRUCTIONS FOR USE OF TABLES a, b and c / 48 8, 0 and feet / 4 up to 48 8 up to feet STEP. Utilizing the applicable wind provisions as indicated in Table a, the code-specified wind speed and the mean building roof height, determine the design wind pressure from Table a. STEP. Based on the Nichiha product type, the stud spacing, and the specified fastening schedule from Table b, determine the allowable wind pressure and the fastener load for the assembly. STEP. Compare the allowable wind pressure from Table b to the design wind pressure from Table a. If the design wind pressure from Table a is larger than the allowable deign wind pressure from Table b, choose another assembly from Table b such that allowable design pressure (from Table b) is greater than or equal to the design wind pressure from Table a. The allowable fastener withdrawal capacity for the fastener, noted in Table c (based on fastener type, penetration and framing species) must exceed the allowable fastener load in pounds per fastener specified in Table b. TABLE a DESIGN WIND PRESSURE (psf) Height Basic Wind Speed (Zone 4),, (ft) 8 mph 90 mph 00 mph 0 mph 0 mph 0 mph 40 mph 0 mph 0- -7. -9. -.7-8. -4. -40.0-4.4 -. 0-8. -0. -. -0. -. -4.4-49. -.4-8.9 -. -. -.7-7.7-44. -. -8.9 0-9.7 -. -7. -.0-9. -4. -. -.4 40-0.9 -. -9.0 -.0-4.7-49.0 -.8 -. 0 -.9-4. -0.4 -.7-4.7 -. -9. -8. 0 -.7 -. -. -8. -4. -. -.7-70.8 Height Basic Wind Speed (Zone ),, (ft) 8 mph 90 mph 00 mph 0 mph 0 mph 0 mph 40 mph 0 mph 0- -. -.7-9. -.4-4. -49.4-7. -.8 0 -.4 -. -0.9-7.4-44. -. -0. -9. -. -. -. -9. -4. -4. -. -7.7 0-4. -7. -.7-40.8-48. -.9 -.0-7.8 40 -.8-9.0 -.8-4. -. -0.4-70. -80. 0-7. -0.4-7. -4. -4.0 -. -7. -84. 0-8. -. -8.9-47.0 -.9 -.7-7. -87.4 For SI: foot = 04.8 mm; mph =. km/h; lb/ ft = 47.88 kpa. Wind Speed is Basic Wind Speed (mph) as defined in ASCE 7-0 with Exposure C and Zone 4 or as applicable as defined in ASCE 7-0 figures -A with an Effective Area of 0 square feet. Pressure is based on an enclosed structure as defined in ASCE 7-0. Per ASCE 7-0 Figure -A Zone is the end portion of the exterior wall at corners and Zone 4 is the middle portion of the wall that is not a part of Zone.
Siding Material NichiPanel ESR-894 Most Widely Accepted and Trusted Page of Framing Material x4 SPF Direct to Block x-/8x0 Ga Steel c-stud Fastener Type d Double HD MAZE Box Nail d Double HD MAZE Coil Nail 8d HD Siding Nail /8" Dia. Waferhead." Dia. Ribbed Buglehead SurePin Steel Pin #8A /8" Dia. Waferhead TABLE b NICHIPRODUCTS AC90 ALLOWABLE TRANSVERSE LOADS Head Dia. (in) 0.77 0.7 0. 0.40 0. 0. 0.0 0.40 Shank Dia. (in).0".099".8".".09".4".0"." Length (in) " / " /8 " " /4 " / " /8 " Fastening Method Face Frame Spacing / Allowable Loads (psf or lbf),,,4, " 4" Allowable Allowable Perimeter Field AC90 Allowable AC90 Allowable Pressure per Pressure per Pressure (psf) Pressure (psf) (in) (in) Fastener (lbf) Fastener (lbf) 4 4 9 4 4 4 4 4 7 4 4 NA NA 8 8 4 0 4 4 4 8 8 4 8 8 8 8 9 8 NA NA 8 8 9 8 7 8 4 4 80 9 47 9 9 9 7 9 9 8 8 40 9 9 4 4 07 7 4 8 8 4 4 4 8 NA NA 8 8 7 4 4 7 7 4 7 7 0 7 7 7 8 8 8 7 7 4 4 9 9 9 9 9 9 0 9 NA NA 8 8 9 9 7 9 4 4 97 47 7 47 47 8 47 47 9 47 8 8 48 47 8 47 4 4 40 0 4 0 7 0 0 8 8 0 0 NA NA Steel Pin 0..0" / " #Z." Ga Maze x4 SPF Roofing Nail 0.." /4" Blind. 7 NA NA x4 D Fir d Double HD Face 7. 7 NA NA 0.7.099" " MAZE Coil Nail 7. 7 NA NA x4 SPF Ga Maze Blind 7." 0.." /4" 7. 7 7 Roofing Nail -- 0 Ga Steel Steel Pin 0.0.0" /" Face 7. 79 #8A Ga Maze x4 SPF 8." Roofing Nail 0.." /4" Blind 8. NA NA D Double HD x SPF 0..097" /" MAZE Nail Face 8. 9 4 NA NA " x4 D Fir 0.7.099" 7 40 NichiShake 9." d Double HD 4 9 4 4 x4 SPF " OSB " MAZE Coil Nail 0.4.098" Blind OSB " 7/" OSB 9." 9 9 9 9 OSB " For SI: inch =.4 mm; lb/ft = 47.88 kpa; lb = 4.448N. SPF and D FIR design pressures are valid for other lumber species having assigned specific gravities of 0.4 and 0.0 or greater, respectively. This table addresses only the specified /NichiShake products and their fastening for external Component and Cladding loads. Wall stud framing must be designed to resist applicable loads. 4 Stated fastener head diameters, shank diameters, and lengths are all minimum values required to achieve tabulated loads. NA indicates the product is Not Applicable for the conditions. NichiShake allowable withdrawal fastener load is based on the OSB field fastening to the x SPF framing material. The withdrawal load of the NichiShake from the OSB has been considered and does not control.
ESR-894 Most Widely Accepted and Trusted Page of Fastener Type Maze HD Nail Table c ALLOWABLE FASTENER WITHDRAWAL,,,4, Specific Gravity (Material) 0.4 (SPF) Fastener Shank Diameter (in) Fastener Penetration into Material (in) Fastener Withdrawal Value (lbf) 0.099 / 4 0.0 / 4 HD Nail 0.8 / Maze HD Nail 0.4 (SPF) 0.4 (SPF) 0.09 / 0. / 7 0.097 7 / 8 4 0.099 / 4 0. 7 / 4 Maze HD Nail 0. (D Fir) 0.099 / 8 Maze HD Nail 0. (OSB) 0.098 7 / 7 Maze HD Nail 0.4 (SPF) 0. / 9 SurePin Direct to Block 0.4 Gripshank (#8A & #Z) / 4 88 0 Ga steel 0.0-9 / 8 Diameter Waferhead 0 Ga steel 0. - 9 Specific Gravity of 0.4 is for SPF framing material. Specific Gravity of 0. is for Douglas Fir framing material (except for OSB). Wood withdrawal values based on 00 NDS equations.- &.- with CD of. for wind. 4 to steel withdrawal value based on 00 AISI Standard North American Specification for the design of Steel Structural Members equation E4.4.-. The allowable fastener withdrawal values specified above must be greater than or equal to the minimum fastener load specified in Table b of this report. PRODUCT NAME ( x x / ) ( x x / ) NichiPanel (4 x 8 x / ) NichiPanel (4 x 8 x / ) For SI: inch =.4 mm; plf = 4.9 N/m.,,, 4,, TABLE ALLOWABLE LOADS FOR NICHIHA PRODUCTS DESCRIPTION Nominally -by-4 wood studs, 4 inches on center. Panels face nailed to each stud with -inches-long, d common nails ( per stud). / by / 8 -inches-deep, No..0 gage, steel C-shaped studs spaced at 4 inches center. Panels fastened to each stud with / 8 -inches self-tapping screws ( per stud). Nominally -by-4 wood studs, 4 inches on center. Panels face nailed to each stud with -inches-long, d common nails ( o.c. on edge and o.c. in field). / by / 8 -inches-deep, No.0 gage, steel C-shaped studs spaced at 4 inches center. Panels fastened to each stud with / 8 -inches self-tapping screws ( o.c. on edge and o.c. in field). ALLOWABLE SHEAR RESISTANCE (plf) Shearwalls are limited to racking for wind and/or Seismic Design Categories A, B or C for wood construction and A and B for steel construction under the IBC and IRC. Wall panels were tested under wet conditioning in accordance with Section of ASTM E 7. Panel joints must occur over studs, plates or solid blocking. 4 Shearwalls have a maximum height-to-width (aspect ratio) of :., Wall studs are nominal -by-4 Spruce Pine Fir (G = 0.4) No. grade. Steel studs are No. 0 gage, / inches-by / 8 C-shaped, complying with ASTM C, with base metal thickness 0.09 inch. 0 7 7 87