National Evaluation Service, Inc.

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1 National Evaluation Service, Inc Leesburg Pike, Suite 600, Falls Church, Virginia Phone: 703/ Fax: 703/ NATIONAL EVALUATION REPORT Report No. NER-478 Re-Issued January 1, 2003 DIVISION 06 WOOD AND PLASTICS Section Wood and Plastic Fastenings REPORT HOLDER: UNITED STEEL PRODUCTS COMPANY 703 ROGERS DRIVE MONTGOMERY, MN EVALUATION SUBJECT: JOIST HANGERS, TRUSS HANGERS, ADJUSTABLE RAFTER CONNECTORS AND SELF-ADJUSTING BEARING CLIPS Page 1 of 29 Copyright 2003, National Evaluation Service, Inc. This report is limited to the specific product and data and test reports submitted by the applicant in its application requesting this report. No independent tests were performed by the National Evaluation Service, Inc. (NES), and NES specifically does not make any warranty, either expressed or implied, as to any finding or other matter in this report or as to any product covered by this report. This disclaimer includes, but is not limited to, merchantability. This report is also subject to the limitation listed herein.

2 Page 2 of 29 NATIONAL EVALUATION SERVICE, INC. Copyright 2003 NES Product Evaluation Listing 1.0 SUBJECT 2.0 PROPERTY FOR WHICH EVALUATION IS SOUGHT 3.0 DESCRIPTION 4.0 INSTALLATION 5.0 IDENTIFICATION 6.0 EVIDENCE SUBMITTED 7.0 CONDITIONS OF USE 1.0 SUBJECT USP Lumber Connectors : 1.1 THF Face Mount Hangers 1.2 HD Face Mount Hangers 1.3 THO Top Mount Hangers 1.4 HHDO Top Mount Hangers 1.5 HDO Top Mount Hangers 1.6 THD Face Mount Truss Hangers 1.7 SKH Skewed Hangers 1.8 TMU Adjustable Rafter Connectors 1.9 TMP Self-adjusting Bearing Clips 2.0 PROPERTY FOR WHICH EVALUATION IS SOUGHT Structural connectors for wood construction. 3.0 DESCRIPTION 3.1 GENERAL National Evaluation Report No. NER-478 The USP Lumber Connectors described in this report are formed from sheet metal into various configurations for use in connecting wood members together. 3.2 MATERIALS Wood: The wood elements shall have dimensions consistent with the hanger dimension stated in Tables 1 through 11. The allowable design values are based on lumber having a specific gravity of 0.5, such as Douglas Fir-Larch, with moisture content not exceeding 19 percent. The following specifies the minimum width of the supporting wood element depending on the connector series, and the nail size when specified: THF, 1¾ inches (44 mm); HD 1 15 / 16 inches (49 mm); THO 1¾ inches (44 mm) for 10d nails and 1 15 / 16 inches (49 mm) for 16d nails; HHDO inches (60 mm); HDO 1 15 / 16 inches (49 mm); THD 1 15 / 16 inches (49 mm); SKH 1¾ inches (44 mm) for 10d nails and 1 15 / 16 inches (49 mm) for 16d nails; TMU 1 3/4 inches Steel: The THO15950, THO15118, THO17950 and THO17118 and THD28-2, THD 210-2, THD48, THD410, and THD412 connectors are fabricated from galvanized steel complying with ASTM A 653 CS with a coating designation of G60, a minimum yield of 28,000 psi (193 MPa) and a minimum tensile strength of 38,000 psi (262 MPa). All other fasteners listed herein are fabricated from galvanized steel complying with ASTM A 653 SS Grade 33 with a coating designation of G60, a minimum yield strength of 33,000 psi (228 MPa) and a minimum tensile strength of 45,000 psi (310 MPa). Minimum material thickness for No. 12 gauge is inch (2.5 mm), for 14 gauge is inch (1.8 mm), for 16 gauge is inch (1.5 mm) and for 18 gauge is inch (1.2 mm). Reissued January 1, 2003 back to the NES home page Fasteners: Common wire nails conform to FF-N-105B except that the NA20D nail is a 2½ inch (64 mm) long 20d nail, the 10d x 1½ nail is a 10d nail that is 1½ inches (38 mm) long, and the 8d x 1½ nails is a 8d nail that is 1½ inches (38 mm) long. The 8d x 1½ nail shall have a bending yield strength of 100,000 psi (690 MPa). The 10d, 16d, and 10d x 1½ nails shall have a bending yield strength of 90,000 psi (621 MPa). The 20d and NA20D nail shall have a bending yield strength of 80,000 psi (552 MPa). 3.3 CONNECTORS THF Face Mount Hangers: THF series joist hangers are U-shaped connectors used to support I-joists and laminated veneer lumber (LVL) members of various widths from 1½ to 5¼ inches (38 to 133 mm). The minimum width of the

3 Page 3 of 29 NATIONAL EVALUATION SERVICE, INC. Copyright 2003 NES Product Evaluation Listing 1.0 SUBJECT 2.0 PROPERTY FOR WHICH EVALUATION IS SOUGHT 3.0 DESCRIPTION 4.0 INSTALLATION 5.0 IDENTIFICATION 6.0 EVIDENCE SUBMITTED 7.0 CONDITIONS OF USE National Evaluation Report No. NER-478 supporting wood member is 1¾ inches (44 mm). THF hangers have 2 and 2½ inch (51 and 64 mm) deep seats with widths varying from 1½ to 5G inches (38 to 137 mm), with varying heights. See Figure 1 and Table 1 for nailing schedules, dimensions and allowable loads HD Face Mount Hangers: HD series joist hangers are U-shaped connectors used to support wood members of various widths from 1½ to 5½ inches (38 mm to 140 mm). The minimum width of the supporting wood member is 1 15 / 16 inches (49 mm). The HD hangers have 2 and 2½ inch (51 and 64 mm) deep seats with widths varying from 1 9 / 16 to 5½ inches (40 to 140 mm), and varying heights. See Figure 2 and Table 2 for nail schedules, dimensions and allowable loads THO Top Mount I-Joist Hangers: THO series joist hangers are U-shaped connectors used to support I-joists of various widths from 1½ to 4¾ inches. The minimum width of the supporting wood member is 1¾ inches (44 mm) where the 10d x 1½ nails are prescribed and 1 15 / 16 inches (49 mm) where 16d nails are prescribed. The THO hangers have 2,, and 3 inch (51, 60, and 76 mm) deep seats, and varying heights. Seat widths vary from 1 9 / 16 to 4¾ inches (40 to 121 mm). The 2 inch (51 mm) and inch (60 mm) deep hangers have double ribs on each top flange and some inch (60 mm) hangers have an additional rib in the seat area. See Figure 3 and Table 3 for nail schedules, dimensions and allowable loads HHDO Top Mount Hangers: HHDO series joist hangers are U-shaped connectors used to support wood members of various widths from 3 to 5½ inches (76 to 140 mm). The minimum width of the supporting wood member is 3 inches (76 mm). The HHDO hangers have 2½, 3, and 3½ inch (64, 76, and 89 mm) deep seats, and varying heights. Seat widths vary from 3F to 5 9 / 16 inches (79 to 141 mm). NA20D nails are supplied with the hangers. See Figure 4 and Table 4 for nail schedules, dimensions and allowable loads HDO Top Mount Hangers: HDO series joist hangers are U-shaped connectors used to support wood members of various widths from 1½ to 7 inches (38 to 178 mm). The minimum width of the supporting wood member is 1 15 / 16 inches (49 mm). The HDO hangers have 2, 2½, 3, and 3½ inch (51, 64, 76, and 89 mm) deep seats, with varying heights. Hangers with 2 inch (51 mm) deep seats have a seat width of 5 9 / 16 inches (141 mm), hangers with 2½ inch (64 mm) deep seats have seat widths varying from 1 9 / 16 to 7F inches (40 to 181 mm), and hangers with 3 and 3½ inch (76 and 89 mm) deep seats have seat widths varying from 1 9 / 16 to 4 11 / 16 inches (40 to 119 mm). See Figure 5 and Table 5 for nail schedules, dimensions and allowable loads THD Face Mount Truss Hangers: THD series hangers are U-shaped joist hangers used to support 1½ inch (38 mm) wide wood trusses or 1¾ inch (44 mm) wide LVL. The minimum width of supporting wood elements is 1 15 / 16 inches (49 mm). The THD truss hangers have 3 inch (76 mm) deep seats, 1H inches (41 mm) and to 3H inches (48 to 92 mm) wide, and varying heights. See Figure 6 and Table 6 for nail schedules, dimensions and allowable loads. Reissued January 1, 2003 back to the NES home page SKH Skewed Joist Hangers: SKH series hangers are U-shaped joist hangers used to support wood members such as I-joists and wood joists in various widths from 1½ to 3 inch (38 to 76 mm). The minimum width of the supporting wood members is 1¾ inches (44 mm) where 10d nails are specified and 1 15 / 16 inches (49 mm) where 16d nails are specified. The skew of the wood member is to be in the range of 40 to 50 degrees. SKH hangers have inch (48 mm) deep seats, and varying heights. Seat widths vary from 1 9 / 16 to 3 9 / 16 inches (40 to 90 mm). SKH hangers have oversized nail holes on the 45 degree side to allow angled nailing. See Figure 7 and Table 7 for nail schedules, dimensions and allowable loads TMU Adjustable Rafter Connectors: TMU series connectors are adjustable rafter connectors for roof slopes from a positive slope of 8:12 to negative slope of 12:12. The minimum width of the supporting header is 1¾ inches (44 mm). The seat depth is 3½ inches (89 mm), except for the TMU-48 which has a seat depth of 3G inches (86 mm). The seat widths vary from 1 9 / 16 to 3 9 / 16 inches (40 to 90 mm),

4 Page 4 of 29 NATIONAL EVALUATION SERVICE, INC. Copyright 2003 NES Product Evaluation Listing 1.0 SUBJECT 2.0 PROPERTY FOR WHICH EVALUATION IS SOUGHT 3.0 DESCRIPTION 4.0 INSTALLATION 5.0 IDENTIFICATION 6.0 EVIDENCE SUBMITTED 7.0 CONDITIONS OF USE National Evaluation Report No. NER-478 and varying heights. The nail holes located on the vertical rafter portion of the connector are provided with raised dimples so as to toenail the rafter to the header. See Figure 8 and Table 8 for details regarding nailing schedules, dimensions and allowable loads TMP Self-adjusting Bearing Clips: TMP series connectors are used to connect rafters to wall top plates and are fabricated from 18 gauge galvanized steel. The clips adjust from a minimum roof slope of 1:12 to a maximum of 6:12. See Figure 9 and Table 9 for nail schedules, dimensions and allowable loads. 3.4 TORSIONAL TESTS Torsional testing was performed on the products in accordance with ASTM D1761. The frame was made of Douglas Fir-Larch with a moisture content between 17 to 25 percent. See Table 10 for test results. 4.0 INSTALLATION Installation shall comply with the manufacturer's published installation instructions. Copies shall be available at all times on the job site during installation. Notes To All Tables: 1. Uplift loads are increased 33D% and 60% for wind and seismic loads. No further increase is permitted. 2. The allowable design loads are based on lumber with a specific gravity of Allowable design loads are for conditions in which the wood moisture content is 19% or less. 4. All fasteners are common type nails unless otherwise noted. 5. The 10d x 1½ nail is 9 gauge wire (0.148 inch diameter) by 1½ inches long. 6. SI: 1 inch = 25.4 mm; 1 lb = kg; 1 psi = kpa 5.0 IDENTIFICATION Each of United Steel Products Company connectors described in this report shall be identified by a stamp or label bearing the manufacturer's name and/or USP trademark, the model number and this National Evaluation Service evaluation report number. 6.0 EVIDENCE SUBMITTED 6.1 Structural calculations stamped and sealed by Norris Breivik, P.E., dated November 17, Reissued January 1, 2003 back to the NES home page 6.2 Load tests conducted in accordance with the intent of ASTM D1761. The following load test reports issued by Twin City Testing Corporation: HHDO , 214-2, ( , 11/5/91); THD-26, 28, 210 ( , 1/4/91); THD-175, 177, 179 ( , 10/15/90);SKH-1720-R, 1724-L ( , 12/26/90); SKH-1520-L, 1524-R ( , 11/5/91) LBPH-212 ( , 2/26/91); TMU-23 ( , 10/10/90); TMU-175 ( , 10/10/90); TMP-23 ( /11/90 revised 10/18/90); HHDO-26-2, 28-2, 210-3, ( , 2/20/91); HHDO-410, 612, 614, 616 ( , 2/26/91); HHDO26-2, (Uplift) ( , 5/29/92); THD26, 210 (Uplift) ( , 5/29/92); SKH24, 26, 210 (Uplift) ( , 5/29/92); TMU26, 25 (Uplift) ( , 5/29/92); TMP2 (Uplift) ( , 5/29/92); HHDO26-2, 28-2 ( , 2/18/92); SKH46, 410, 414 (Addendum , 4/14/94); THD28-2, (Addendum , 4/28/94). 6.3 The following load test reports issued by Professional Service Industry Inc.: THO , ( A, 1/31/91); THO-35100, 35140, ( A, 1/18/91); SKH-26-2, 28-2, 210-2, ( , 1/31/91); SKH-36, 38, 310, 312 ( B, 1/18/91); TMP-175 and 2 ( , 12/18/90); SKH-24, 26, 28, 210 ( A, 1/18/91).

5 Page 5 of 29 NATIONAL EVALUATION SERVICE, INC. Copyright 2003 NES Product Evaluation Listing 1.0 SUBJECT 2.0 PROPERTY FOR WHICH EVALUATION IS SOUGHT 3.0 DESCRIPTION 4.0 INSTALLATION 5.0 IDENTIFICATION 6.0 EVIDENCE SUBMITTED 7.0 CONDITIONS OF USE National Evaluation Report No. NER Test report on wood connectors (HD 26, HD 28, HD 210, HD 212, HD 214, HD 24-2, HD 26-2, HD 28-2, & HD 210-2) in accordance with ASTM D 1761, prepared by Maxim Technologies, Project Number , dated September 11, 1997, signed by Scott W. Britzius and Derrick J. Swanson. 6.5 Test report on wood connectors (HD26, HD28, HD210, HD212, HD214, HD24-2, HD26-2, HD28-2 & HD210-2) in accordance with ASTM D 1761, prepared by Maxim Technologies, Project Number , dated February 10, 1998, signed by Scott W. Britzius and Randy R. Hochstein. 6.6 Test report on wood connectors (THF & THF 15112,) in accordance with ASTM D 1761, prepared by Maxim Technologies, Project Number , dated July 9, 1997, signed by Scott W. Britzius and Amy J. Ostergren. 6.7 Test report on wood connectors (THF 23140, THF 23180, THF 23925, & THF 35925) in accordance with ASTM D 1761, prepared by Huntingdon, Project Number , dated September 27, 1995, signed by Arnis L. Kurmis and Derrick J. Swanson. 6.8 Test report on wood connectors (THF & THF ) in accordance with ASTM D 1761, prepared by Twin City Testing Corporation, Project Number , dated August 16, 1991, signed by Jeffrey A Brandt. 6.9 Test report on wood connectors (THF , THF , THF , THF , & THF ) in accordance with ASTM D 1761, prepared by Twin City Testing Corporation, Project Number , dated October 17, 1990, revised February 26, 1991, signed by Jeffrey A. Brandt Test report on wood connectors (THF & ) in accordance with ASTM D 1761, prepared by Twin City Testing Corporation, Project Number , dated November 28, 1990, Revised January 23, 1991, signed by Jeffrey A. Brandt Test report on wood connectors (THF 15925, , , 23180, & 35925) in accordance with ASTM D 1761, prepared by Twin City Testing Corporation, Project Number , dated May 29, 1992, signed by Jeffrey A. Brandt Test report on wood connectors (THO 15925, THO , & THO 23180) in accordance with ASTM D 1761, prepared by Twin City Testing Corporation, Project Number , dated May 29, 1992, signed by Jeffrey A. Brandt Test report on wood connectors (THO 15950, THO 15118, THO 17950, & THO 17118) in accordance with ASTM D 1761, prepared by Huntingdon Engineering & Environmental, Inc., Project Number , dated September 1, 1994, signed by Arnis L. Kurmis and Derrick J. Swanson Test report on wood connectors (THO 15118, THO , THO 15950, & THO ) in accordance with ASTM D 1761, prepared by Twin City Testing Corporation, Project Number , dated August 15, 1991, signed by Jeffrey A. Brandt. Reissued January 1, 2003 back to the NES home page 6.15 Test report on wood connectors (THO 17118, THO 17140, & THO 17950) in accordance with ASTM D 1761, prepared by Twin City Testing Corporation, Project Number , dated December 26, 1990, signed by Jeffrey A. Brandt Test report on wood connectors (THO & THO 23180) in accordance with ASTM D 1761, prepared by Maxim Technologies, Project Number , dated October 7, 1997, signed by Scott W. Britzius and Derrick J. Swanson.

6 Page 6 of 29 NATIONAL EVALUATION SERVICE, INC. Copyright 2003 NES Product Evaluation Listing 1.0 SUBJECT 2.0 PROPERTY FOR WHICH EVALUATION IS SOUGHT 3.0 DESCRIPTION 4.0 INSTALLATION 5.0 IDENTIFICATION 6.0 EVIDENCE SUBMITTED 7.0 CONDITIONS OF USE National Evaluation Report No. NER Test report on wood connectors (THO 23100, THO , THO 23118, THO , & THO ) in accordance with ASTM D 1761, prepared by Twin City Testing Corporation, Project Number , dated December 26, 1990, revised January 4, 1991, signed by Jeffrey A. Brandt Test report on wood connectors (TMU 210) in accordance with ASTM D 1761, prepared by Twin City Testing Corporation, Project Number , dated July 10, 1995, signed by Arnis L. Kurmis and Derrick J. Swanson Test report on Flexural Testing of Nails, prepared by Maxim Technologies, Project Number , dated February 20, 1998, signed by Scott W. Britzius and Randy R. Hochstein Structural calculations stamped and sealed by Thomas A. Kolden, P.E. dated October 10, Structural calculations for the TMU 210 connector stamped and signed by Thomas A. Kolden, P.E. dated January 5, Test report on wood connectors (HD Series) in accordance with ASTM D 1761, prepared by Maxim Technologies, Project Number , dated February 10, 1998, signed by Scott W. Britzius and Randy R. Hochstein Test report on wood connectors (THD-35100; THD and THD-35180) in accordance with ASTM D 1761, prepared by Professional Service Industries, Inc., dated January 18, 1991, signed by Randy T. Webb and Donald A. DeVisser, P.E Test report on wood connectors (THF Series) in accordance with ASTM D 1761, prepared by Stork/Twin City Testing Corp., Project No , dated February 8, 2001, signed by Randy T. Webb and Donald A. DeVisser, P.E Test report on wood connectors (SKH Series) in accordance with ASTM D 1761, prepared by Stork/Twin City Testing Corp., Project No , dated September 26, 2001, signed by Scott W. Britzius and Derrick J. Swanson, P.E Test report on wood connectors (THD 610 & 612 Series) in accordance with ASTM D 1761, prepared by Stork/Twin City Testing Corp., Project No , dated September 25, 2001, signed by Scott W. Britzius and Derrick J. Swanson, P.E Test report on wood connectors (HDO Series) in accordance with ASTM D 1761, prepared by Stork/Twin City Testing Corp., Project No , dated October 18, 2001, signed by Scott W. Britzius and Derrick J. Swanson, P.E Test report on wood connectors (THF & 25160) in accordance with ASTM D 1761, prepared by Stork/Twin City Testing Corp., Project No , dated August 21, 2000, signed by Scott W. Britzius and Derrick J. Swanson, P.E. Reissued January 1, 2003 back to the NES home page 6.29 Test report on Lumber Connector Material Strength and Lumber Connector Test Member Wood Density, prepared by Stork/Twin City Testing Corp., Project No , dated August 21, 2000, signed by Scott W. Britzius and Derrick J. Swanson, P.E Test report on wood connectors (THF 15925, 15112, & Series) in accordance with ASTM D 1761, prepared by Stork/Twin City Testing Corp., Project No , dated November 14, 2001, signed by Scott W. Britzius and Derrick J. Swanson, P.E.

7 Page 7 of 29 NATIONAL EVALUATION SERVICE, INC. Copyright 2003 NES Product Evaluation Listing 1.0 SUBJECT 2.0 PROPERTY FOR WHICH EVALUATION IS SOUGHT 3.0 DESCRIPTION 4.0 INSTALLATION 5.0 IDENTIFICATION 6.0 EVIDENCE SUBMITTED 7.0 CONDITIONS OF USE 7.0 CONDITIONS OF USE National Evaluation Report No. NER-478 The National Evaluation Service Committee finds that the United Steel Products Company wood connectors described in this report comply with or are acceptable alternatives to the methods and products specified in the BOCA National Building Code/1999, the 1999 Standard Building Code, the 1997 Uniform Building Code, the International Building Code 2000, and the International Residential Code 2000 subject to the following conditions: 7.1 The connectors are manufactured, identified and installed in accordance with this report and the manufacturer s installation instructions. 7.2 All framing members shall be designed in accordance with the applicable code. 7.3 The maximum allowable load shall be determined with the applicable duration of load from the appropriate Table 1 through Allowable connector loads listed in this report are for lumber with a moisture content of 19 percent or less that are used under continuously dry conditions and a specific gravity of 0.5 minimum. In areas using the Uniform Building Code and for connections in wood that is unseasoned or partially seasoned, or when connections are exposed to wetservice conditions in use, the allowable loads in this report are multiplied by the moisture content factor, C m, specified by the Uniform Building Code. 7.5 The scope of this evaluation is limited to connectors which are installed on lumber that has not been treated with fire-retardant or preservative-treatment chemicals. 7.6 Design calculations and details for specific applications shall be furnished to the code official verifying compliance with this report and the applicable code, as indicated in this report. The individual preparing such documents shall posses the necessary credentials regarding competency and qualifications as required by the applicable cade and the professional registration laws of the state where the construction is undertaken. 7.7 In jurisdictions using the International Building Code, load combinations shall be in accordance with Section of the code. 7.8 This report is subject to periodic re-examination. For information on the current status of this report, consult the NES Product Evaluation Listing or contact the NES. Reissued January 1, 2003 back to the NES home page

8 THF F THF F THF F THF H THF H THF H THF G THF G THF TABLE 1 - THF SERIES Header Joist F = 460 psi F = 625 psi Uplift NO. GAUGE W H D Qty - Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% THF ½ 9 1 / d 2-10d x 1½ d 2-10d x 1½ THF ½ 11 1 / d 2-10d x 1½ d 2-10d x 1½ THF ½ 13½ d 2-10d x 1½ d 2-10d x 1½ / 16 2½ 12-10d 6-10d / 16 2½ 14-10d 6-10d ¾ 2½ 18-10d 6-10d d 2-10d x 1½ d 2-10d x 1½ d 2-10d x 1½ d 2-10d x 1½ / d 2-10d x 1½ d 2-10d x 1½ / 16 2½ 12-10d 6-10d ¾ 2½ 14-10d 6-10d ½ 18-10d 6-10d THF G 1¾ 8 15 / d 2-10d x 1½ d 2-10d x 1½ H THF ¾ / d 2-10d x 1½ d 2-10d x 1½ THF ¾ 13G THF H THF H THF H d 2-10d x 1½ d 2-10d x 1½ THF / 16 15¾ 3½ 24-10d 2-10d x 1½ THF H 8 5 / 16 2½ 12-10d 6-10d / 16 2½ 14-10d 6-10d ½ 2½ 20-10d 6-10d ¾ 2½ 22-10d 6-10d Table 1 continued on next page. Page 8 of 29 National Evaluation Report No. NER-478

9 STOCK NO. STEEL GAUGE THF I THF I TABLE 1 - THF SERIES - CONTINUED DIMENSIONS (in) Header Joist F = 460 psi F = 625 psi Uplift W H D Qty - Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% d 2-10d x 1½ d 2-10d x 1½ d 2-10d x 1½ d 2-10d x 1½ THF F THF F THF THF ¾ THF ½ 11F THF ½ THF ¼ d 2-10d x 1½ d 2-10d x 1½ / 16 2½ 12-10d 6-10d ½ 16-10d 6-10d ½ 20-10d 6-10d THF F 2 5 / / 16 2½ 12-10d 2-10d x 1½ THF / / 16 2½ 12-10d 2-10d x 1½ THF / / 16 2½ 14-10d 2-10d x 1½ THF / 16 13½ 2½ 18-10d 2-10d x 1½ THF / / 16 2½ 22-10d 2-10d x 1½ THF / 16 17F 2½ 24-10d 8-10d x 1½ ½ 14-10d 6-10d THF ¾ 8G 10 2½ 14-10d 6-10d THF ¾ / 16 2½ 16-10d 6-10d THF ¾ / 16 2½ 16-10d 6-10d THF ¾ 13 5 / 16 2½ 20-10d 6-10d THF ¾ / 16 2½ 24-10d 6-10d THF ½ 9F 2½ 12-10d 2-10d x 1½ ½ 14-10d 2-10d x 1½ ½ 14-10d 2-10d x 1½ THF ½ 11F 12¼ 2½ 18-10d 2-10d x 1½ THF ½ 13 7 / 16 2½ 18-10d 2-10d x 1½ THF ½ 15½ 2½ 22-10d 2-10d x 1½ H Table 1 continued on next page. Page 9 of 29 National Evaluation Report No. NER-478

10 THF F THF F THF F THF F THF H THF H THF H THF H THF G THF G THF G THF G THF ½ 8H THF ½ TABLE 1 - THF SERIES - CONTINUED Header Joist F = 460 psi F = 625 psi Uplift NO. GAUGE W H D Qty Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% 8 7 / 16 2½ 12-10d 6-10d / 16 2½ 16-10d 6-10d / 16 2½ 20-10d 6-10d ¾ 2½ 24-10d 6-10d / 16 2½ 12-10d 2-10d x 1½ / 16 2½ 14-10d 2-10d x 1½ ½ 18-10d 2-10d x 1½ / 16 2½ 22-10d 2-10d x 1½ / 16 2½ 12-10d 6-10d / 16 2½ 16-10d 6-10d / 16 2½ 20-10d 6-10d ½ 24-10d 6-10d ½ 12-10d 2-10d ½ 16-10d 2-10d THF ½ 10H / 16 2½ 20-10d 2-10d THF ½ 15 2½ 22-10d 2-10d THF ½ 16 9 / 16 2½ 24-10d 8-10d G 15H Page 10 of 29 National Evaluation Report No. NER-478

11 HD F HD F HD F HD F HD F HD F HD H HD H HD H HD H HD H HD TABLE 2 - HD SERIES Header NO. GAUGE Joist F = 460 psi F = 625 psi Uplift W H D Qty - Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% HD / 16 3½ d 2-10d x1½ HD / 16 5¼ d 4-10d x1½ HD / / d 4-10d x1½ HD / 16 9¼ d 6-10d x1½ HD / 16 11½ d 6-10d x1½ HD / 16 13½ d 8-10d x1½ HD F 3½ 2½ 4-16d 2-10d ½ 12-16d 6-10d ½ 14-16d 6-10d ½ 18-16d 10-10d ½ 22-16d 10-10d ½ 24-16d 10-10d ½ 26-16d 12-10d ½ 12-16d 6-10d ½ 12-16d 6-10d ¼ 2½ 18-16d 12-10d ¼ 2½ 22-16d 10-10d ¼ 2½ 24-16d 10-10d ¼ 2½ 26-16d 12-10d HD H 2 9 / d 2-10d x1½ HD / 16 4¾ d 4-10d x1½ HD / 16 6¾ d 4-10d x1½ HD / / 16 2½ 14-16d 6-10d x1½ HD / / 16 2½ 16-16d 10-10d x1½ HD / / 16 2½ 20-16d 10-10d x1½ HD / / 16 2½ 24-16d 10-10d x1½ Minimum header thickness shall be 1 15 / 16 inches. Table 2 continued on next page. 5F 7F 4G 6G Page 11 of 29 National Evaluation Report No. NER-478

12 HD / 16 9F HD / 16 HD ¾ 10I HD ¾ TABLE 2 - HD SERIES- CONTINUED Header NO. GAUGE Joist F = 460 psi F = 625 psi Uplift W H D Qty - Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% HD ½ 14-16d 6-10d F HD ½ 18-16d 10-10d F HD ½ 22-16d 10-10d HD F 3 9 / / 16 2½ 4-16d 2-10d HD / / 16 2½ 12-16d 6-10d HD / 16 2½ 14-16d 6-10d HD / 16 6I 8 13 / 16 2½ 18-16d 10-10d HD / / 16 2½ 22-16d 10-10d HD / / 16 2½ 24-16d 10-10d HD / / 16 2½ 26-16d 12-10d HD / 16 16½ 2½ 28-16d 8-10d HD ½ 3 15 / 16 2½ 12-16d 6-10d HD ½ 5 15 / 16 2½ 14-16d 6-10d HD ½ 7 13 / 16 2½ 18-16d 10-10d HD ½ 9 13 / 16 2½ 22-16d 10-10d HD ½ / 16 2½ 24-16d 10-10d HD ½ / 16 2½ 26-16d 12-10d HD / 16 7F d 4-10d x1½ d 6-10d x1½ d 6-10d x1½ HD / 16 11G 13 5 / d 8-10d x1½ HD ¾ 8H d 6-10d x1½ d 6-10d x1½ d 8-10d x1½ HD ¼ 12I 9 15 / 16 2½ 22-16d 10-10d HD ¼ 2½ 24-16d 10-10d HD ¼ / 16 2½ 22-16d 10-10d HD ¼ / 16 2½ 26-16d 12-10d Minimum header thickness shall be 1 15 / 16 inches. 6F Table 2 continued on next page. Page 12 of 29 National Evaluation Report No. NER-478

13 TABLE 2 - HD SERIES- CONTINUED Header NO. GAUGE Joist F = 460 psi F = 625 psi Uplift W H D Qty - Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% HD ½ 18-16d 10-10d G HD ½ 22-16d 10-10d G HD ½ 24-16d 10-10d G HD ½ 30-16d 12-10d G Minimum header thickness shall be 1 15 / 16 inches. 7I 9I 1 13I Page 13 of 29 National Evaluation Report No. NER-478

14 THO / 16 9¼ THO / 16 9½ THO / 16 11¼ THO / 16 1 THO / THO / THO / 16 9½ THO / 16 11¼ THO / 16 1 THO / TABLE 3 - THO SERIES Header Joist F = 460 psi F = 625 psi Uplift NO. GA. W H D TF Top Face Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% THO / 16 9¼ 2 1½ dx1½ 2-10dx1½ THO ½ 9½ 2 1½ dx1½ 2-10dx1½ THO / 16 11¼ / dx1½ 2-10dx1½ THO ½ / dx1½ 2-10dx1½ THO / / dx1½ 2-10dx1½ THO / ½ dx1½ 2-10dx1½ ½ d 6-10d ½ d 6-10d / d 6-10d ½ d 6-10d d 6-10d d 6-10d THO / 16 9¼ 2 1½ dx1½ 2-10dx1½ THO / 16 9½ 2 1½ dx1½ 2-10dx1½ THO / 16 11¼ 2 1½ dx1½ 2-10dx1½ THO / ½ dx1½ 2-10dx1½ THO / ½ dx1½ 2-10dx1½ THO / ¾ dx1½ 2-10dx1½ THO / 16 9¼ 1½ d 6-10d ½ d 6-10d / d 6-10d / d 6-10d ½ d 6-10d THO / ¾ d 6-10d Table 3 continued on next page. Page 14 of 29 National Evaluation Report No. NER-478

15 TABLE 3 - THO SERIES - CONTINUED Header Joist F = 460 psi F = 625 psi Uplift NO. GA. W H D TF Top Face Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% THO / 16 9¼ / dx1½ 2-10dx1½ THO ¾ 9½ 2 1½ dx1½ 2-10dx1½ THO / 16 11¼ / dx1½ 2-10dx1½ THO ¾ / dx1½ 2-10dx1½ THO / ¾ dx1½ 2-10dx1½ THO / dx1½ 2-10dx1½ H THO / 16 9¼ 1½ d 6-10d THO / 16 9½ 1 9 / d 6-10d THO / 16 11¼ 1 9 / d 6-10d THO / / d 6-10d THO / / d 6-10d THO / / d 6-10d THO / 16 9½ dx1½ 2-10dx1½ THO / dx1½ 2-10dx1½ THO ¼ dx1½ 2-10dx1½ THO ¼ dx1½ 2-10dx1½ THO / 16 9½ / d 6-10d THO / / d 6-10d THO / d 6-10d THO / d 6-10d Table 3 continued on next page. Page 15 of 29 National Evaluation Report No. NER-478

16 THO ½ THO THO ¼ THO THO THO THO THO THO THO ¾ 11¼ 3 THO ¾ F THO ¾ 12 3 THO ¾ 14 3 THO ¾ 16 3 THO ¾ 18 3 THO ¾ 20 3 TABLE 3 - THO SERIES - CONTINUED Header Joist F = 460 psi F = 625 psi Uplift NO. GA. W H D TF Top Face Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% THO ¼ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ THO ¾ 9¼ / d 6-10d THO ¾ 9½ d 6-10d THO ¾ d 6-10d d 6-10d d 6-10d d 6-10d d 6-10d d 6-10d d 6-10d d 6-10d Table 3 continued on next page. Page 16 of 29 National Evaluation Report No. NER-478

17 THO THO / 16 9G THO / 16 9½ THO / THO / THO / 16 11¼ THO / 16 11½ THO / 16 1 THO / THO / 16 12½ THO / THO / THO / 16 14¼ THO / THO / THO / THO F THO ½ 3 5F THO F THO ¼ 3 5F THO F THO F F THO F THO F THO F THO F THO F THO F TABLE 3 - THO SERIES - CONTINUED Header Joist F = 460 psi F = 625 psi Uplift NO. GA. W H D TF Top Face Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% 2 9 / 16 9¼ dx1½ 2-10dx1½ dx1½ 2-10dx1½ / dx1½ 2-10dx1½ / dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ / dx1½ 2-10dx1½ / dx1½ 2-10dx1½ dx1½ 2-10dx1½ / dx1½ 2-10dx1½ dx1½ 2-10dx1½ ¾ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ ¼ / d 6-10d d 6-10d ¼ d 6-10d d 6-10d ½ d 6-10d d 6-10d d 6-10d ½ / d 6-10d d 6-10d d 6-10d d 6-10d d 6-10d Table 3 continued on next page. 1 Page 17 of 29 National Evaluation Report No. NER-478

18 THO THO / 16 9½ THO / THO / 16 11¼ THO / 16 1 THO / THO / THO / THO / THO / THO ¼ 3 5G THO ½ 3 5G THO G THO ¼ 3 5G THO G F THO G THO G THO G THO G THO G TABLE 3 - THO SERIES - CONTINUED Header Joist F = 460 psi F = 625 psi Uplift NO. GA. W H D TF Top Face Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% 11 / 16 9¼ 1 15 / dx1½ 2-10dx1½ / dx1½ 2-10dx1½ / dx1½ 2-10dx1½ / dx1½ 2-10dx1½ dx1½ 2-10dx1½ / dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ d 6-10d d 6-10d / d 6-10d d 6-10d d 6-10d / d 6-10d d 6-10d d 6-10d d 6-10d d 6-10d Table 3 continued on next page. Page 18 of 29 National Evaluation Report No. NER-478

19 THO THO / 16 9G THO / 16 9½ THO / THO / 16 11¼ THO / 16 11½ THO / 16 1 THO / THO / 16 12½ THO / THO / THO / 16 14¼ THO / 16 15¾ THO / THO / THO / TABLE 3 - THO SERIES - CONTINUED Header Joist F = 460 psi F = 625 psi Uplift NO. GA. W H D TF Top Face Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% 3 9 / 16 9¼ 2½ dx1½ 2-10dx1½ / dx1½ 2-10dx1½ / dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ dx1½ 2-10dx1½ ¾ dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ / dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ ½ dx1½ 2-10dx1½ Page 19 of 29 National Evaluation Report No. NER-478

20 HHDO / 16 13F HHDO / 16 HHDO / 16 13F HHDO / 16 15F HHDO / 16 HHDO / 16 13F HHDO / 16 TABLE 4 - HHDO SERIES FASTENER 1 SCHEDULE Header Joist F = 460 psi F = 625 psi Uplift NO. GA. W H D TF Top Face Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% HHDO ½ 3 2½ 4 6 NA20D 4 - NA20D F HHDO ¼ 3 2½ 4 8 NA20D 4 - NA20D F HHDO ¼ 3 2½ 4 10 NA20D 6 - NA20D F HHDO ½ 4 12 NA20D 6 - NA20D F HHDO ½ 2½ 4 14 NA20D 8 - NA20D F HHDO ½ 2½ 4 16 NA20D 8 - NA20D HHDO F 4 11 / 16 9¼ 3 2½ 4 10 NA20D 6 - NA20D HHDO / 16 11F 3 2½ 4 12 NA20D 6 - NA20D ½ 2½ 4 14 NA20D 8 - NA20D ½ 2½ 4 16 NA20D 8 - NA20D HHDO / 16 15F 5½ 3 2½ 4 6 NA20D 4 - NA20D HHDO / 16 7¼ 3 2½ 4 8 NA20D 4 - NA20D HHDO / 16 9¼ 3 2½ 4 10 NA20D 6 - NA20D HHDO / 16 11F 3 2½ 4 12 NA20D 6 - NA20D ½ 4 14 NA20D 8 - NA20D ½ 2½ 4 16 NA20D 8 - NA20D ½ 2½ 4 6 NA20D 4 - NA20D HHDO / 16 5G 7¼ 2½ 2½ 4 8 NA20D 4 - NA20D HHDO / 16 9¼ 2½ 2½ 4 10 NA20D 6 - NA20D HHDO / 16 11F 3 2½ 4 12 NA20D 6 - NA20D ½ 4 14 NA20D 8 - NA20D ½ 4 16 NA20D 8 - NA20D HHDO ¼ 15F ½ 4 12 NA20D 6 - NA20D HHDO ¼ ½ 4 12 NA20D 6 - NA20D Fasteners are NA20D. The NA20D nails is 6 gauge (0.192 inch diameter) by 2½ inches long. 11F 13F 15F Page 20 of 29 National Evaluation Report No. NER-478

21 HDO / 16 7F HDO / 16 HDO F HDO F HDO F HDO F HDO F HDO F HDO / 16 HDO / 16 7F HDO / 16 TABLE 5 - HDO SERIES Header Joist F = 460 psi F = 625 psi Uplift NO. GA. W H D A TF Top Face Type Qty - Type 100% 115% 125% 100% 115% 125% 133% 160% HDO / / / 4 1¼ 2½ d 2-10d x 1½ HDO / 16 5G 2 1 / 4 1¼ 2½ d 4-10d x 1½ / 4 1¼ 2½ d 4-10d x 1½ / 4 1¼ 2½ d 4-10d x 1½ HDO / 16 9F / 4 1¼ 2½ d 6-10d x 1½ HDO / / 4 1¼ 2½ d 6-10d x 1½ HDO / / 4 1¼ 2½ d 8-10d x 1½ HDO F 3 7 / 16 2½ 1¼ 2½ d 2-10d ½ 1¼ 2½ d 4-10d ½ 1¼ 2½ d 4-10d ½ 1¼ 2½ d 6-10d ½ 1¼ 2½ d 6-10d ½ 1¼ 2½ d 8-10d ½ 1¼ 2½ d 8-10d ½ 1¼ 2½ d 6-16d HDO / 16 9F 11 2½ 1¼ 2½ d 6-16d HDO / ½ 1¼ 2½ d 8-16d HDO / ½ 1¼ 2½ d 8-16d HDO / / 16 2½ 1¼ 2½ d 2-10d x 1½ HDO / 16 5G 2½ 1¼ 2½ d 4-10d x 1½ ½ 1¼ 2½ d 4-10d x 1½ ½ 1¼ 2½ d 6-10d x 1½ HDO / 16 9F 11 2½ 1¼ 2½ d 6-10d x 1½ HDO / ½ 1¼ 2½ d 8-10d x 1½ HDO / ½ 1¼ 2½ d 8-10d x 1½ G 7F 9F Table 5 continued on next page. Page 21 of 29 National Evaluation Report No. NER-478