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RESIDENTIALUSERGUIDEE N G I N E E R E DTechnical Datafor Joists, Headers,Beams, Rim Board, Columns,and DimensionW O O DP R O D U C T S

WELCOMEIn 1998, the revolution began at Pacific Woodtech Corporation. The evolution continues today as our partnershipgrows stronger with experience. Our treated LVL is an industry first, and all of our products are distributed nationwideand serviced by one of the most experienced teams in the industry.Get to know us—together we’ll engineer success!Scale. Pacific Woodtech Corporation is one of the largest and mostadvanced LVL plants in the world.Experience. Our management and engineering teams have decades ofexperience in engineered wood sales and manufacturing.We’re Committed. We have a long-term commitment to EWP and arelocated near the most abundant high-strength fiber supply.Responsive. Our engineers on staff focus on prompt solutions to fieldrepair requests.Talk about Performance! Top to bottom—an equal or better product line.We’re Competitive! We realize that all EWP manufacturers makequality products, but what really matters is structural equivalency andcost competitiveness.Active. We have a marketing presence—specifically to the design community.Support. We have a strong technical sales team and supply chain teamdedicated to our distributors’ success.Focus. We’re a manufacturer that is exclusive to EWP.Quality. Robust quality control program with third-party inspectionoversight by the APA ensures the highest quality of engineered woodproducts backed by Pacific Woodtech Corporation’s product warranty.Nimble. Our quick reaction to market changes and customer concerns keepsus ahead of the competition.Innovation. We are continuously innovative as we invest in mill efficienciesand new products.More to come! Lunch and learns and individual meetings with builders, engineers,and specifiers Joint builder calls with dealer’s sales reps Ask your PWT team to help your EWP business growConvenience. Mixed trucks from the mill—I-joists, LVL, Billet Beams, andtreated LVL.Building on the strength of page 2

Equivalency Chart*WOOD I-JOISTSI-JOISTUp to 24"Pacific WoodtechTrus -560BCI-90RFPI-90LPI-56†LPLPssLPI-18STRUCTURAL COMPOSITE LUMBERBEAM / HEADER1¾"3½"Pacific WoodtechTrus JoistBoiseRoseburgLVL (1.6E)LSL (1.55E)LVL (1.8E)LVL (1.6E)TBD***LVL (2.1E)LVL (2.0E)LVL (2.1E)LVL (2.1E)LVL (2.0E)LVL (2.1E)LSL (1.55E)LVL (1.8E)LVL (2.1E)TBD***†LPLVL (2.1E)PSL (2.0E / 2.2E)LVL (2.1E)LVL (2.1E)LVL (2.0E)3½" – 7"LVL (2.1E / 2.3E**)PSL (2.0E / 2.2E)LVL (2.1E)LVL (2.1E*)LVL (2.0E)RIM BOARDPacific Woodtech†Trus JoistBoiseRoseburgLPLVL Rim BoardLSL Rim BoardLVL Rim BoardLVL Rim BoardDIMENSIONPacific Woodtech†Trus JoistBoiseRoseburgVarious SizesLVLLSLLVLLVLPacific Woodtech†Trus JoistBoiseRoseburgLPLVLPSLLVLLVLLVL1¼" – 1¾"COLUMNSVarious SizesTBD***LPTBD**** Please note: This equivalency chart is intended to provide a reference to similar strength / performance characteristics by respective manufacturers per current (04/2017) regionalspecifier guides.** 2.3E, a limited stock item, is available upon request.*** LSL has been discontinued by LP and is no longer available† Code reports for Pacific Woodtech Corporation: I-joist (ESR-1225); LVL (ESR-2909)Substitutions are subject to a review committee, which may include the project structural engineer.Product WarrantyPacific Woodtech Corporation warrants that its products, as manufactured, will be free frommanufacturing errors or defects in workmanship and material.In addition, provided the product, as manufactured, is stored, handled, installed and used correctly,Pacific Woodtech Corporation warrants the adequacy of its design.This warranty is backed by the full resources of Pacific Woodtech Corporationand by underwritten product liability page 3

Safety and Construction PrecautionsInstallation W alking on the joists should not be permitted untilthey are properly braced. A ll hangers, rim boards, rim joists and blockingat the end supports of the joists must be installedand nailed properly. D uring installation, a minimum of 1 x 4 temporarybracing is required. Do not cut, drill or notch flanges. The ends of cantilevers must be temporarily braced on both the top andbottom flanges. Never overload sheathed joists with loads that exceed design loads. Only remove the bracing as the sheathing is attached. Engineered wood products should be used in dry conditions only. Bracing members should be spaced at 8'–0" o.c. and nailed to each joist withtwo 8d nails (10d box nails if bracing thickness exceeds 1"). When stacking construction material, stack onlyover beams or walls, NOT on unsheathed joists. Lap bracing ends and anchor them to temporary or permanent sheathing nailedto the first 4' of joists at the end of the bay or a braced end wall.These are general recommendations and, in somecases, additional precautions may be required.Storage and Handling GuidelinesStorage Installation guidelines from Pacific Woodtech will be included with everyshipment of trademarked PWI joists to job sites. Always stack and handle I-joists in the upright position and construction. LVL is very dry when it is produced. It will absorbmoisture and grow in size slightly as it acclimates to the climate. The sealer helpsto reduce the rate of moisture absorption and increases protection from UV rays.However, it is not meant for protection from long-term or high concentrations ofmoisture exposure. Bundles should not be in contact with the ground.*PWT Treated LVL has a different non-wax-based sealer. Place 2x or LVL spacers (at a maximum of 10' apart) between bundles and theground and bundles stored on top of one another.Handling Never use or field repair a damaged I-joist. Bundles should remain wrapped, strapped and protected from the weatheruntil time of installation. Joists should remain vertical during handling. Store bundles upright on a smooth, level, well-drained and supportive surface. All handling of joists with a forklift or crane should be done carefully.LVL Sealer* Avoid excessive bowing during all phases of handling and installation(i.e., measuring, sawing or placement).Pacific Woodtech’s LVL has a wax-based sealer specifically formulated forlaminated veneer lumber to help protect it from weather-related issues during Damage may result if the joist or beam is twisted or a load is applied to itwhile it’s lying flat.System PerformanceTraditionally, floor vibration has not been an issue with a well-designed andconstructed floor. The model code-required serviceability deflection requirementsof span/360 for live load and span/240 for total load have long served to keepcode-conforming floors stiff enough to minimize vibration-related problems. Thesedeflection requirements were based on the use of traditional lumber framing andprevailing architectural norms. Spans in traditional lumber-framed structuresseldom exceeded 14–16 feet.With engineered wood products, however, designers are no longer limited by thecapacities and lengths of traditional lumber structural elements. Spans unheardof just a few years ago are now common with engineered wood products. Thetraditional deflection limits may no longer be appropriate for the longer spansmade possible by engineered wood products. For this reason, APA has voluntarilyadopted a live load deflection criteria that is 33% stiffer than that required in thecurrent model building codes. This deflection criteria was selected for increasebecause vibration loads are caused by transient or live loads, most often bypeople moving about the floor itself.By increasing the stiffness of the floor— using span/480 requirements insteadof the more traditional span/360— the vibrations caused by a thundering herdof youngsters can be more easily tolerated. Designing the ideal floor is not,however, an exact science. Because one of the benefits of a wood floor is itsability to cushion footfalls, it is not desirable to make every floor overly stiff.As usual, a one-size solution does not fit all. The selection of span/480 as aserviceability requirement is a compromise. It provides a substantial decrease infloor vibration with a minimal cost penalty without making the floor so stiff thatcomfort is compromised.Researchers have proposed a number of additional methods that can be used toreduce floor vibration even further. These methods include: Gluing the wood structural panel floor to the PWI joists Attaching wood structural panels or gypsum board to the bottom of thePWI floor joists Decreasing the PWI floor joist spacing by one increment based onallowable span Using full-depth blocking at regular intervals between all of the PWI floorjoists over the entire floor Adding concrete topping over the floor sheathingBy far the most practical and most economical way to further increase thestiffness of your floor when using PWI joists is to select the most economical joistfrom our allowable span tables and then maintain the same joist designation butupgrade to the next net page 4

PWI Joist DimensionsFor more information about our complete line of products, visit 20PWI 47⅜" OSB Web1¾" x 1⅜" Flange⅜" OSB Web25 16" x 1⅛" Flange9½" 11⅞" 14"PWI 70⅜" OSB Web25 16" x 1½" Flange9½" 11⅞" 14" 16" 18" 20"PWI 77PWI 907 16" OSB Web25 16" x 1½" Flange7 16" OSB Web3½" x 1½" Flange11⅞" 14" 16" 18" 20" 9½" 11⅞" 14" 16" 18" 20" 22" 24"pacificwoodtech.com9½" 11⅞" 14" 16" 18" 20" 22" 24" page 5

Reference Design Values(1)JoistSeriesJoistDepthM(4)(ft-lb)EI (2)(x 106 lb-in2)V(5)(lb)ER(6)(lb)IR(7)(lb)k(3)(x 106 lb)Vertical 2195591519907.2820002.5PWI 20PWI 47PWI 70PWI 77PWI 14503.722"12520181529352390 (9)4125 (9)14.0813004.324"13630220930602390 (9)4125 45266429352400(9)14.0813005.324"20955323230602400 (9)4605 (9)15.3613005.5(9)46051. Values apply to normal load duration. All values except El, k and Vertical Load may be adjusted for other load durations as permitted by the code.2. Bending stiffness (El ).3. Coefficient of shear deflection (k ). Use Equations 1 or 2 to calculate uniform load or center point load deflections in a simple-span application.Uniform Load:Where:Center Point Load:423P concentrated load [lb]d calculated deflection [in][1] d 5w w 2P[2] d PEl bending stiffness of the I-joist [lb-in2]w uniform load [lb/in]384El k48El kk coefficient of shear deflection [lb] design span [in] capacity (M). The tabulated values shall not be increased by any code-allowed repetitive member factor.Shear capacity (V).End reaction capacity (ER) of the I-joist without web stiffeners and a minimum bearing length of 1¾ inches.Intermediate reaction capacity (IR) of the I-joist without web stiffeners and a minimum bearing length of 3½ inches.Blocking panel and rim joist vertical load capacity.Web stiffeners required. See Web Stiffener Requirements on page 10.Product IdentificationJoistDepthPACIFIC WOODTECH08.B.23 08:06:20InspectionAgencyTrademarkJoistSeries117 8" PWI-70MillNumberMILL 1048ASTM D5055PR-L262ESR-1225Code Report NumbersManufactureDecode:Date Code 08.B.238th of February page 6

Floor SpansALLOWABLE RESIDENTIAL FLOOR SPANS — 40 PSF LIVE LOAD AND 20 PSF DEAD LOAD— L/480Joist SeriesPWI 20PWI 47PWI 70PWI 77PWI 90Simple or Multiple Spans16" o.c. 19.2" o.c. 24" o.c.12" o.c.Simple Spans16" o.c. 19.2" o.c.24" o.c.12" o.c.Multiple Spans16" o.c. 19.2" o.c.24" o.c.12" 8'–1"30'–5"Joist DepthNotes:1. Table values apply to uniformly loaded, residential floor joists.2. Span is measured from face to face of supports.3. Deflection is limited to L/240 at total load and L/480 at live load.4. Table values are based on glued and nailed sheathing panels (23/32" for 24" o.c., 19/32" otherwise). Use an ASTM D3498 adhesive in accordance with the manufacturer’s recommendations.Reduce spans by 12" if sheathing is nailed only.5. Provide at least 1¾" of bearing length at end supports and 3½" at intermediate supports.6. Provide lateral restraint at supports (e.g. blocking panels, rim board) and along the compression flange of each joist (e.g. floor sheathing, gypsum board ceiling).7. Use sizing software or consult a professional engineer to analyze conditions outside the scope of this table (e.g. commercial floors, different bearing conditions, concentrated loads) or formultiple span joists if the length of any span is less than half the length of an adjacent span.How to Use Floor Span Tables1. Choose the appropriate live and dead load combination as well as a joist spacing.2. Scan down the spacing column to find a span that exceeds the design span.3. Scan to the left from that span to determine the joist size required.4. Web stiffeners are required at all supports for 22" and 24" joists. See Web Stiffener Requirements on page 10 for more page 7

Floor LoadsALLOWABLE UNIFORM FLOOR LOAD (PLF)—SIMPLE-SPAN JOISTPWI 20PWI 47PWI "20"Span(ft) Live Total Live Total Live Total Live Total Live Total Live Total Live Total Live Total Live Total Live Total Live Total Live TotalL/480 100% L/480 100% L/480 100% L/480 100% L/480 100% L/480 100% L/480 100% L/480 100% L/480 100% L/480 100% L/480 100% L/480 100%6305305305292 295 300 3033873873873873877261261261250 253 257 2603313313313313318229229229219 221 225 2282902902902902909198 203203203194 197 200 20225825825825825810 149 183183183175 177 180 18223223223223223211 115 166166166146 159 161 164 1652112112112112111290 140 148 153153115 146 148 150 1521931931931931931372 119 119 14114192135 136 138 1401781781781781781459 103 97 13113175125 121 126 129 130 149 16616616616616615489080 116 114 12262117 100 118 120 121 124 15515515515515516407966 102 96 11452103 84111 113 114 104 14514514514514517569081 10871104 101 106 107 88 136 125 1361361361361847816996609886100 101 75 129 107 1291291291291941725986529374959664 122 92 122122122122203565517845896490849156 112 80 116 106 11611611670 110 93 110110110214471558674872239644982658361 105 82 105 105 10510554 101 72 101 93 32467333427038683435356636373839404142Notes:1. Table values apply to uniformly loaded floor joists.2. Span is measured to the center of each support.3. The values in the Total columns are based on an L/240 total load deflection limit. Building codes typically require L/360 for live load. Experience has shown that a live loaddeflection limit of L/480 at 40 psf for residential floors does a better job than L/360 of meeting most performance expectations.4. Table values do not account for stiffness added by glued or nailed sheathing.5. Provide at least 1¾" of bearing length at end supports and 3½" at intermediate supports.6. Provide lateral restraint at supports (e.g. blocking panels, rim board) and along the compression flange of each joist (e.g. floor sheathing, gypsum board ceiling).7. Use sizing software or consult a professional engineer to analyze conditions outside the scope of this table (e.g. different bearing lengths, concentrated loads) or for multiplespan joists if the length of any span is less than half the length of an adjacent span.How to Use Floor Load Tables 1. Choose a joist spacing and convert the live and total design loads specified in pounds per square foot (psf) to joist loads in pounds per lineal foot (plf).Joist Spacing [ft] x Design Load [psf] Joist Load [plf]JOIST LOAD (PLF)Joist 404860404053648050506780100Design Load 41801001001331602002. Choose a span and scan across the Span row to find a joist size with sufficient Live and Total load capacities. Both requirements must be satisfied. When no value is shown in a Live column,Total load governs.3. Web stiffeners are required at all supports for 22" and 24" joists. See Web Stiffener Requirements on page 10 for more page 8

Floor LoadsALLOWABLE UNIFORM FLOOR LOAD (PLF)—SIMPLE-SPAN JOISTJoistSpan(ft)PWI 835PWI 9018"20"22"24"LiveLiveLiveLiveLiveLiveLiveTotal 100%Total 100%Total 100%Total 100%Total 100%Total 100%Total 9404142See notes on page 0094898480767268656214"16"PSF TO PLF CONVERSION – LOAD IN POUNDS PER LINEAL FOOT (PLF)O.C. SpacingInchesFeet2012120161.332719.21.63224240o.c. spacing (ft) x load (psf) load (plf)252533405030304048603535475670Load in Pounds per Square Foot page 9606080961206565871041307070931121407575100120150

Web Stiffener RequirementsWeb stiffeners are pairs of small blocks, cut from panels or 2x4s, that arenailed to the joist web to stiffen a deep web, increase reaction capacity oraccommodate a special connector. Web stiffeners are not required when joistsare sized by means of the tables in this guide, with the following exceptions:NUMBER OF WEB STIFFENER NAILS REQUIRED1. Web stiffeners are required at the ends of joists set in hangers that are notdeep enough to laterally support the top flanges of the joists. Refer to thehanger manufacturer’s installation instructions.WEB STIFFENER SIZE REQUIREDJoist DepthAll Other Conditions2. Web stiffeners are required to accommodate special connector nailingrequirements. Refer to the connector manufacturer’s installationinstructions.3. Web stiffeners are required at birdsmouth cuts at the low end supports ofsloped joists.24" & 20"1018" & 16"614" & Less4Minimum DimensionsWeb StiffenersNailsThicknessWidth1¾"19 32"25 16"2½" x 0.131"2⅟16"23 32"25 16"2½" x 0.131"25 16"23 32"25 16"2½" x 0.131"3½"1½"3½"3¼" x 0.131"Web stiffener length is approximately ⅛" less than the clear distance between flanges.FlangeWidth4. Web stiffeners are required at all supports on 22- and 24-inch joists.Concentrated Load 1500 lbs.When joists are sized by means of sizing software, or otherwise engineered for anapplication, web stiffeners are required as follows:1. Web stiffeners are required for high reactions at supports. Refer to acode report.2. Web stiffeners are required under concentrated loads applied to the tops ofjoists between supports, or along cantilevers beyond the support, when theconcentrated load exceeds 1500 pounds.Snug to topBirdsmouthcut at lowsupportSnug tobottomHigh reaction at supportWeb Hole SpecificationsDUCT HOLESMinimum Distance ‘D’ From Any Support to the Centerline of the HoleDuct Hole t) 83'–10" 3'–11" 3'–11" 12 5'–9" 5'–10" 5'–11"20 16 7'–8" 7'–10" 7'–11" 20 9'–7" 9'–9" 9'–11"(2) 83'–9" 3'–10" 3'–11"(2) 12 5'–7" 5'–9" 5'–11"47(2) 16 7'–6" 7'–8" 7'–10"(2) 20 9'–4" 9'–7" 9'–10"(2)(2) 83'–7" 3'–8" 3'–9" 3'–10" (2)(2)(2) 12 5'–5" 5'–6" 5'–8" 5'–10" (2)(2)(2)(2)70 16 7'–2" 7'–5" 7'–7" 7'–9"(2)(2)(2) 20 9'–0" 9'–3" 9'–6" 9'–9"(2)(2) 24 10'–10" 11'–1" 11'–5" 11'–8" (2)(2)(2)(2) 83'–8" 3'–9" 3'–11" 3'–11"(2)(2)77 12 5'–7" 5'–8" 5'–10" 5'–11" (2)depths 16 7'–5" 7'–7" 7'–10" 7'–11"(2)(2)(2)to(2)(2)(2)20"(3) 20 9'–4" 9'–6" 9'–9" 9'–11"(2)(2)(2) 24 11'–2" 11'–5" 11'–9" 11'–11"(2)(2)(2) 83'–8" 3'–9" 3'–10" 3'–11" (2)(2)(2)(2)90 12 5'–7" 5'–8" 5'–10" 5'–11" (2)depths 16 7'–5" 7'–7" 7'–9" 7'–11"(2)(2)(2)(2)to(2)(2)(2)(2)(3) 209'–4"9'–6"9'–8"9'–11"20"(2)(2)(2) 24 11'–2" 11'–5" 11'–8" 11'–10" (2)Notes:(1) For other joist spans, use sizing software to locate the duct hole(2) For this width, use sizing software to locate the duct hole(3) For joist depths greater than 20 inches, use sizing software to locate duct holesNever drill, cut or notch theflange, or over-cut the web.24"Holes in webs should be cutwith a sharp saw.For rectangular holes, avoidover cutting the corners, asthis can cause unnecessarystress concentrations. Slightlyrounding the corners isrecommended. Starting therectangular hole by drillinga 1" diameter hole in eachof the 4 corners and thenmaking the cuts betweenthe holes is another goodmethod to minimize damageto I-joists.(2)(2)(2)(2)(2)To review Pacific Woodtech’s Installation Guide, please page 10

Web Hole SpecificationsD(See table)D(See table)Minimum 2x diameter of largest holeRound holes up to 1½" in diameter may bedrilled anywhere in the web. Provide at least3" of horizontal clearance from other holes.Duct Hole(Full height)See table and noteson previous page.Do not cut rectangular holes, orround holes larger than 1½" indiameter, in cantilevers.RectangularHoleROUND AND RECTANGULAR HOLES18"Joist20"Joist22"Joist24"JoistSpan (ft)Span (ft)Span (ft)Span (ft)16"JoistSpan (ft)14"JoistSpan (ft)11⅞"JoistSpan (ft)9½"JoistSpan (ft)Round Hole DiameterRectangular Hole Longest SideMinimum Distance ‘D’ From Any Support to the Centerline of the 2"6'–4"7'–0"8'–11"10'–9"6¼"See General Notes below.General Notes1. Table values apply to joists sized by means of the load or span tables inthis publication. Use beam sizing software for a more precise analysis or toanalyze conditions outside of the scope of these tables.2. Web holes may be located anywhere between the joist flanges. Leave at least⅛ inch clearance between the edges of holes and the flanges.3. Do not cut rectangular holes, or round holes larger than 1½ inch diameter,in cantilevers.4. The horizontal clearance between the edges of adjacent holes must be atleast twice the diameter (or longest side) of the larger hole. Exception:A 1½ inch diameter hole may be drilled anywhere in the web. Provide atleast 3 inches of horizontal clearance from adjacent holes of any page 11

PWLVL Reference Design ValuesA better alternative than traditional sawn lumber pieces.1.6E PWLVL REFERENCE DESIGN VALUES(1)(1)(2)(3)(4)(5)(6)2.1E PWLVL REFERENCE DESIGN VALUES(1)True (Shear-Free)True (Shear-Free)Modulus of Elasticity, E 1,600,000 psi(2)(5)(6)Modulus of Elasticity, E Bending (beam), Fb 2,250 psi(3)(4)Bending (beam), Fb Horizontal Shear (beam), Fv 230 psiHorizontal Shear (beam), Fv Compression Perpendicular toCompression Perpendicular toGrain (beam), Fc 750 psi(2)Grain (beam), Fc V alues apply to dry service conditionsDo not adjust for load duration Adjust by (12/d)1/5, where d is the depth of the member [inches] Adjust by 1.04 for repetitive members as defined in the ANSI/AWC NDS True or shear-free modulus of elasticity does not account for shear deformationSee APA Product Report PR-L233.2.3E* PWLVL REFERENCE DESIGN VALUES(1)2,100,000 psi(2)(5)(6)3,100 psi(3)(4)285 psi850 psi(2)True (Shear-Free)Modulus of Elasticity, E Bending (beam), Fb Horizontal Shear (beam), Fv Compression Perpendicular toGrain (beam), Fc *Special order — limited availabiltyEQUIVALENT SPECIFIC GRAVITY FOR FASTENER DESIGNNails & Wood 500.47FaceLateral0.50EdgeLateralNAFaceEdgeBolts & Lag ScrewsTo review Pacific Woodtech’s LVL products, please visit page 122,300,000 psi(2)(5)(6)3,100 psi(3)(4)285 psi850 psi(2)

PWLVL Reference Design Values1¾" PWLVL REFERENCE DESIGN 850.51166.71552.82016.01.6E PWLVLMaximum Vertical Shear (lb)Maximum Bending Moment 536342782.1E PWLVLMaximum Vertical Shear (lb)Maximum Bending Moment 53778243449472273½" PWLVL REFERENCE DESIGN 4.71701.02333.33105.74032.02.1E PWLVLMaximum Vertical Shear (lb)Maximum Bending Moment 3

Oct 13, 2021 · Equivalency Chart* WOOD I-JOISTS I-JOIST Pacific Woodtech† Trus Joist Boise Roseburg LP LPss Up to 24" PWI-20 TJI-110 BCI-5000 RFPI-20 LPI-18 PWI-47 TJI-210/230 BCI-6000/6500 RFPI-40/400 LPI-530 LPI-20/32

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