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Report i3O . 01 CbbkQ I (-130 SLS \UtArth Ci-• Simpson Strong-Ties Wood Construction Connectors .SIMPSON DTT `` Strong-Tie Deck Tension Ties RECEIVES ��» 2(2!153 " i Or;TAG AP r D1T tension ties are safe,cost-effective connectors designed to meet or exc--.cod �i . 1i 3Iill .; ( f ., " requirements for deck construction.These versatile DTT connectors are also•?' ratd 2018 F +-" as a holdown for light-duty shearwalls and braced-wall panel applications. 3i --. For new construction or to make an existing current deck code-compliar �1 ltll �IG� can be used as a tension-tie to satisfy the 2015 IRC provision for a 750 Ib.tater •-• ,, connection to the house at four locations per deck.This code detail pt i f I.'i. DIVISION - R, `' connection from the deck joists to be made to top plates,studs,or headers within the i supporting structure,which eliminates the need to access to the floor joists inside the z, 74, r.) home.The DTT1Z is available in a kit(DTT1Z-KT)that includes(4)DTT1Z connectors, a I ,, (4)Strong-Drive°SDWH Timber-Hex HDG screws and(26)SD#9 x 1'h"screws. I \, I The DTT1Z fastens to the narrow or wide face of a single 2x with Simpson Strong Tie° fit: f,1 6)t,. Strong-Drive'•SD Connector screws or nails and accepts a Me"machine bolt,anchori i /bolt,or lag screw(washer required)or can be installed with the Strong-Drive SDWH 1 4; 'li w f Timber-Hex HDG screw with an integral washer. // The DTT2 can be used to satisfy the IRC provision for a 1,500 lb.lateral load connection .--, ,4 , f(, at two locations per deck.Additionally,the DTT2 has been tested and evaluated in deck ij r �' guardrail post applications to resist the code-specified lateral forces at the top of railing .."Q..4.,0;'�t�' - ,- �s- assemblies.The DTT2 is also available with longer 2W Strong-Drive SDS Heavy-Duty -��7,....-41..Connector screws(model DTT2Z-SDS2.5)to achieve higher loads when needed.The DTT1 Z DTT2Z DTT2 fastens easily to the wide face of a single or double 2x using Simpson Strong-Tie U.S.Patent Pending U.S.Patent 8,555,580 Strong-Drive SDS Heavy-Duty Connector screws(included) and accepts a' '-diameter machine bolt or anchor bolt. For guard post installations using Strong-Drive SOWS Timber screws,see technical bulletin T-F-SDWSGRD. , Floor sheathing 1'diame er l nailed at 6•max. Material 14 aU a HOG threaded 1 on center to joist g g (61 SO#9 x 11/2' rod with nuns j with hotdown Finish:DTT1Z/DTT2Z—ZMAXm coating;DTT2SS— screws(shown)or and washers i (8)t Od x 1 h nails Continuous flashing Stainless steel;see Corrosion Information,pp.15-18 (per code),not shown Vs'HOG lag screw.` ,_ -,c,: , Installation: with HOG washer or , SOWN timber-Hex —a te ; • Use all specified fasteners;see General Notes HOG screw(shown) t < ii L -AMES into top plate,studs. tra1 j i • A standard cut washer(included for DTT2)must or header fig i" , be installed between the nut and the seat _ t • Simpson Strong-Tie Strong-Drive SDS Heavy-Duty Lo1r1z Floor joist Deck DTT2Z (Solid 2x1rnst or jest Connector screws install best with a low-speed — 3•min.thread 2x blodang) high-torque drill with a N."hex head driver penetration (Model DB6H1.75) • Strong-Drive SD Connector screws install with a V."hex head driver(Model DBHEX) Typical DTT1Z Deck-to-House Typical DTT2Z Deck-to-House o Lateral Load Connection Lateral Load Connection z • Strong-Drive SDWH Timber Hex HDG screws For more information on lateral load For more information on lateral load install with a Ma"hex head driver(Model DB6H1.75) connections,see technical bulletin connections,see technical bulletin Codes:See p.14 for Code Reference Key Chart T-C-DECKLAT at strongtie.com T-C-DECKLAT at strongtie.com w F 0 -These products are available with additional corrosion protection. 1 For more information,see p.18. V -+r Decking C z ' These products are approved for installation with the Strong-Drive , (typ.) la) SD Connector screw.See pp.39-40 for more information. . "get SD•Sva'xth: ••• 17 t. Ca 1 Min.Wood Allowable Tension Loads 4��� " �rsawa(rncfuded) •• ••• go Model Anchor Member Code min.(typ.) .�-' - r �-••• v7 ® No. i Diameter Fasteners Thickness DF/SP SPF/HF Ref. 1 ;• i• - e 'b 2" Y ••• •• U i On.) (160) (160) • r 0° I A • W k_.____._�__..__ __....__....._..- j • CII ✓ %• (6)SD#9 x 11h" 840 840 •• 'rte 4, r ...31T2Z O ii b (6)10d x 1'h" 1'h 910 6402 IP2, • ••••••., DTT1Z 3 or • • SDWH' FL "diameter HDG 2x8 min.•• •• (8)l Od x 1'h" 910 850 mtttili bdltgg or twvpg ids with Siflrx1ard cut washer • nuts arid •washers • Mitred between • .'.,k ® DTT22/DTT2SS '?'ie 'h (8)'/s'x 11/2"SDS l lEi 1,825 (1,8 16 • 9ttap�on nut Did seat 3 2.145 1,835 L8, „,. F t4x7HOG) (provided) • - ®R DTT2Z-SDS2.5 ''tie 'h (8)'/i'x 2W SDS 3 2,145 2,105 FL • .• • 1.Allowable loads have been increased for wind or earthquake loading with no further increase allowed. •••.•.DTT2f Installed • 2.DTT1Z installations with allowable loads below 750 lb.do not satisfy the 2015 IRC requirements as a LaterjrCorlrlector for deck-to-house lateral load connections. for a Deck GQ3rdfail Post S••••• 3.The Strong-Drive'e SDWH Timber-Hex HDG screw with a minimum of 3”of thread penetration into dry lumber For more information on has an allowable withdrawal bad(160)of 1,380 lb.into SP,1225 lb.into DF and 1,020 lb.into SPF/HF. guardrail post connections,see 4.Load values are valid if the product is flush with the end of the framing member or installed away from the end. technical bulletin T-C-GRDRLPST 5.The guardrail post illustration above addresses an outward force on the guardrail.An additional DTT2Z can at strongtie.com be added at the lower bolt to address an inward force. 6.A s/."HDG round washer is required when using a lag screw. 337 TECHNICAL BULLETIN SIMPSON Code-Compliant Guardrail Post Connections StrongTie The railing connection is a crucial deck connection,and it is often inadequately constructed. In order to provide the required load �- resistance at the hand rail,the post must not only be fastened to the rim joist, but also be tied back into the joist framing. Machine bolts or ::v� -_ lag screws through the post and rim joist alone do not typically meet the performance requirements of the building code. • 0 The details on page 2 show various r,- 4. methods by which the guardrail post -,r 4 "a connection can be made using either Fg< the Simpson Strong-Ties D1T2 deck , ' tension tie or HD3BHDG holdown. These details allow for a connection to the deck framing at the joists or I blocking.All details meet the IRC code-required load at a maximum , , guardrail height of 36"above the deck surface in an outward direction. carroilte13. /Flak Details on page 3 meet the IBC code .--,-411N.,„. requirements for a one-or two-family dwelling at a maximum guardrail •- height of 42"above the deck surface in an outward direction. DTT2Z 7. (DTT2SS similar) The DTT2 deck tension tie was designed to satisfy code requirements for guardrail-post connections in wood decks. Versatile and cost-effective,the DTT2 installs using Simpson Strong-Tie Strong-Drives SDS screws which install with no I predrilling and are included with each connector. Material/Finish: DTT2Z— 14 ga.carbon steel with ZMAXX'galvanized coating 1100 bi , Per- DTT2SS — 14 ga.Type 316 stainless steel Usti 1/0461 /2/1574.) Fasteners(Included): DTT2Z— (8)Strong-Drive SDS screws,double-barrier coating DTT2SS — (8)Strong-Drive SDS screws,Type 316 stainless steel �� �i ����/ � 14042 —rip,' Joist Installation: • Use all specified fasteners.Refer to the General Notes in lit This product is available with additional corrosion protection. the current Wood Construction Connectors catalog for additional important information. Mp�l c Anchor Diameter Fasteners • The supplied cut washer must be installed between the N°' ON (In.) •... • • nut and the seat. `_" • • REI D1T2 13/i8 1 (8)Ys"x1 V§ds: •••• . . • SDS screws install best with a low-speed,high-torque _ •••• •• ; drill with a W hex driver. 1.The information shown in this table is applicai�iesto• •••• • ,. both the DTT2Z and DTT2SS. • ' . • • • The HD3BHDG has also been evaluated as a lateral anchor for .•" . . •••. r theguardrailusing -r --.' •-- • • g post and installs W-diameter machine bolts. .... I Anchor •••••• Finish:Hot-dip galvanized Diameter Macfiin�bolts • ••• (in.) ' Installation: ..... • .)1..' •••• •..•• HD3BHDG ( 15/18 / (2).S, on. • Use all specified fasteners.Refer to the General Notes in the I E- •••• .x j current Wood Construction Connectors catalog for additional ' • important information. . . • Bolt holes shall be a minimum of'he to a maximum of ~� vie larger than the bolt diameter(per NDS section 11.1.2). • A washer is not required between the base plate of the HD3BHDG holdown and the anchor nut. 0 2017 5i^,psor Strong-Ye Comcary!rc. T-C-GRDRLPSTI7 TECHNICAL BULLETIN . SIMPSON Code-Compliant Guardrail Post Connections Strong-Tie Guards:What the Codes Require How does load or deflection at the top of a guard post The 2015 International Residential Code(IRC)and 2015 relate to a connector at the base of a guard post? International Building Code(IBC)each have specific requirements As a result of the large leverage arm of Deflection, for the design,construction and use of guards.Some of these a guard post,the tension force in the top of post requirements are shown below. post-to-deck connector will be much 200 lb. —... t-.. larger than the force at the top of the When is a guard required? post.Similarly,any deflection at the post- 1 "Guards shall be located along open-sided walking surfaces, to-deck connector will result in amplified including stairs,ramps,and landings,that are located more than deflection at the top of the post.For a 30 inches measured vertically to the floor or grade below..." 36"post connected to a 2x8 deck joist, i a 200 lb.force at the top will result in I IRC 2015,Section R312.1 about an 1,800 lb.force in a connector "Guards shall be located along open-sided walking surfaces...that located 2"from the top of the joist.A1/4" are located more than 30 inches measured vertically to the floor or of deflection in this connector will result in ` 11 grade below..." over 2"of deflection at the top of the post. Deflection. I l connector -;1-1 , IBC 2015, Section 1015.2 . Do the Simpson Strong-Tie r i details address load applied 1 cor"'�°r ,ri' If a guard is not required because the deck or porch tension r 1 is 30 inches or less above the floor or grade, does the in all directions? �_ guard have to be code compliant? The details in this technical bulletin address an outward force on the guardrail.An additional All guards must be designed and constructed in accordance connector can be installed on the lower bolt to resist an with the governing building code,including guards that are inward force. not required.The general public expects all guards to perform and falls resulting from guard failures can cause serious injury Why have the code requirements changed? regardless of the fall height. The 200 lb.point load requirement in the code is not new. What is the guard height requirement? However there has been an increased focus on this requirement in recent years.Research and testing conducted at Virginia Tech In the IRC,"guards at open-sided walking surfaces,including on post-to-nm-joist connections indicated common bolted or lag stairs,porches,balconies or landings,shall be not less than 36 screwed connections to a rim joist alone did not meet the load inches high..." requirements in the code. IRC 2015,Section R312.2 In the IBC,"required guards shall be not less than 42 inches Why the Simpson Strong-Tie solution? high..." The connection details shown have been designed to meet the requirements in the building code.Simpson Strong-lie also IBC 2015,Section 1015.3 performed testing on several full-scale assemblies.Some of this testing is summarized in the table below. How much force must a guard be capable of resisting? For one-and two-family dwellings,both the IRC and IBC require guards be designed to resist a single concentrated load of 200 lb. r 1 Average applied in any direction at any point along the top. Post-Fastening Average Test Connector Deflection at IRC 2015,Table R301.5;IBC 2015,Section 1607.8 Assembly Ultimate 200lb.' l • What is the allowable deflection of a fully Outside rim ja t 635 ib.• •��g•• ._.-:5"P I C�� loaded guard post? 0112 . Outside rim joist, • • • 5 •• • The building codes do not contain deflection limits for guards fastened to blocking •...t.. •.1: • however the International Code Council Evaluation Service �� • • • • • Acceptance Criteria 273 for Handrails and Guards(AC273)places Outside dm joist, •)'• .1 . reasonable limits on tested assemblies.The maximum permissible Z fastened to joist • • • HD3BHDG •r•• • • deflection in AC273 for 36"-high guards is 3". Outside rim joist, • � 1 • •• •• fastened to blocking • • • 1.Applied load and measured deflection shoy+rl r g gttop'of post•• • 2.HD3B values based on testing with a lower;.app jt)rholdown. • • • • 'The 2009 and 2012 International Residential Code and 2009 and 2012 International Building Code each have similar requirements. • •• •• For simplicity,this document references the 2015 edition of each code. •••• •• • • • • •• • • • •••• This technical bulletin is effective until December 31,2019,and reflects information available as of July 1,2017. Tlis information is updated periodically and should not be relied upon after December 31,2019. (800)999-5099 Contact Simpson Strong Tie for current information and limited warranty or see strongtie.com_ strongfle"cont 0 2017 Simpson Strong-Te Company inc. • P.O.Box 10789,Pleasanton,CA 94588 T-C-GRDRLPST17 7/17 exp.12/19 Dec oratorsCLASSIC BALUSTERS INSTALLATION INSTRUCTIONS Kit Contents: Prior to construction,check with your local • 10-Aluminum balusters regulatory agency for special code require- 1 (2.5 balusters required ments in your area.Common railing height " " per linear foot of railing) is 36".Structural support should come from } either the continuation of deck support 1r Items You Will Need: posts that extend up through the deck j • Deckorators baluster connectors floor or from railing posts that are bolted ' ' \\k,\ e •r (sold separately) to the inside of the rim or outer joist. 6' • Deckorators stair connectors on-center post spacing is recommended. - Step 8: Clamp the top and bottom rails (sold separately) Never span more than 8'on-center between i together with the top 2x4rail invert- • Deckorators rail connectors railing posts. G ed.Position rails as shown and mark (optional,sold separately) 5-1/2"on-center,working from the In-Line railin 3 ) center out to the ends of the rails. • Drill driver 9 • Tape measure e ;.----i----1 ,—r J1 � Top IWOWok" • Clamps 1 • Safety glassesi 4 —4— • Carpenter's pencil ( - Step 4: Place the bottom rail between // i if I • White rubber mallet the rail posts, supported by a 3" • Support blocks(can be cut block (2x4 scrap material works from scrap rail material) ,.i i `, best). Secure rail to posts using Deckorators rail connectors (sold Baum Mal separately)and slide balusters over Step 1:Measure railing opening from post the bottom connectors. Carefully to post to determine the length of place top rail over the balusters, each baluster rail section. making sure each baluster is seat- ed properly on each connector. . ,—atrr G Step 9: Properly position the connectors on the rails. The top and bottom —` s ' connectors will be facing opposite Step 2:Cut top and bottom rails(2x4s)to directions. Screw the connectors length and clamp together. Mark Step 5: Inspect finished railing for proper in place. To properly set angled top and bottom rails 4-1/2"on-cen- baluster spacing and secure top connectors, begin screwing ver- ter, starting from the center of rail.Add a cap rail for a finished tically until the screw bites into the rail. look. the wood.Reposition screw to the proper angle and tighten. Do not 7 .4.,, —a. s over-tighten,which can move the , s olo` —11IF connector off center. ( 3 weseemer— Step 6: For rail sections longer than 4', 1 support blocks are recommended. These can be made from leftover 2x4 rail material.Properly position ••• • the support block and toe nail it iiiiiiiiiiffeitili ,ti1������ • • • • ' to the bottom rail and deck board. •••• t • • • Stair Railing • • Step3: Usinga drill driver, screw on •••• I". - ! Deckorators baluster connectors W •IN) • � z, • (sold separately) on each mark ••••using the screws provided.Apply 'St9p1GIAake sure connecters are pr Q�•: silicone caulk on each connector aligned, asp?y's'dicone ca H to•• _.._ hThe dia rams an in tr t�n in th. r r to prevent balusters from turning • peach stair c RdCtbr,and assem- . g d s uc o s s b ochu a are forillu trati n r nl n r - I r iI • MIIMMIIIIIML.s o pu poses o y a d a e not meant to replace or rattling atter installation is coin ,, h. ble the tiilp•aNd bottom rails with a licensed professional.Any construction or use of the plete.The caulk should be on the :he balusters..Then attach full••• product must be in accordance with all local zoning and/or • building codes.The consumer assumes all risks and liabili- outside of the connector, where •• ••rail section between the Starr jajl... ty associated with the construction or use of this product. the baluster will make contact with Step 7:Stair rails and balusters can pres- posts. The consumer or contractor should take all necessary the connector's outer edge. ent an installation challenge. . • • •• steps to ensure the safety of everyone involved in theDeckorators angled stair rail con- •••• •• • project,including,but not limited to,wearing the appro- priate Note:Specifictypes of treated lumber are • • • safety equipment.EXCEPT AS CONTAINED IN THEp vectors(sold separately)create a • WRITTEN LIMITED WARRANTY,THE WARRANTOR DOES known to corrode aluminum. Deckorators snug and accurate baluster fit for '• •••• NOT PROVIDE ANY OTHER WARRANTY,EITHER EXPRESS baluster connectorsrov%de a barrier OR IMPLIED,AND SHALL NOT BE LIABLE FOR ANY DAM- p stair angles ranging from 30 to 35 AGES,INCLUDING CONSEQUENTIAL DAMAGES. between the aluminum balusters and treat- degrees.Cut top and bottom stair ed lumber to ensure long term performance. rails at the proper angle. Lay top and bottom 2x4 rails alongside the posts and mark. Railing Connectors - Installation Instructionsor'a ors® Raccords de Rampe - Instructions d'installation Conectores para Barandal - Instrucciones de Instalacion For use with nominal 2x4 rails in the vertical position: 1. Measure the distance between two posts and subtract 1/2". Cut rails to this length. 2. Attach a connector to each end of the rail with two screws through the pre-drilled holes (fig. 1). Set the rail at the desired height and check to ensure it is level. Fasten with screws through the pre-drilled holes (fig. 2). 3. To ensure the connectors stay in place, apply a small amount of clear silicon on the screw being inserted into the connector. Pour utilisation avec une rampe de 2 po sur 4 po, installee a la verticale : 1. Mesurer la distance entre deux poteaux et en soustraire 1/2 po. Couper Ia rampe a Ia longueur voulue. 2. Fixer un connecteur a chaque extremite de la rampe a moyen de deux vis, en utilisant les trous preperces (fig.1). Placer la rampe ala hauteur souhaitee, puis s'assurer qu'elle est bien de niveau. Fixer au moyen de vis, en utilisant les trous preperces (fig. 2). 3. Pour vous assurer que les connecteurs ne se deplacent pas, appliquer un peu de silicone transparent sur Ia vis avant de I'inserer dans le connecteur. Para su use con barandales de 2x4 en posicion vertical: 1. Mida la distancia entre dos postes y restele 1/2". Corte los barandales a esta longitud. 2. Coloque un conector a cada extremo del barandal usando los tornillos y las perforaciones ya taladradas (fig. 1). Ajuste el barandal a la altura deseada y verifique que este nivelado. Ajustelo en su lugar con los tornillos en las perforaciones ya taladradas (fig. 2). 3. Para asegurarse de que los conectores permanezcan en su lugar, aplique un poco de silicona transparente en el tornillo que vaya a insertar en el conector. ,...ea••• ) a a • • • • • • • • • • O Q O • • ••• r • • • • • • •/'" ••811, • fig. I •• • •••,• • • • • •• • • •••• • • • • • • • •• •• • • www.deckorators.com • • • •• •••. all • • • , • The diagrams and instructions in this brochure are for illustration purposes only and are not meant to replace a licensed professional.Any construction or use o?{he Product must•be4r► accordance with all local zoning and/or building codes.The consumer assumes all risks and liability associated with the construction or use of this product.The consumer or contractor should take all necessary steps to ensure the safety of everyone involved in the project,including,but not limited to,wearing the appropriate safety equipment.EXCEPT AS CONTAINED IN THE WRITTEN LIMITED WARRANTY,THE WARRANTOR DOES NOT PROVIDE ANY OTHER WARRANTY,EITHER EXPRESS OR IMPLIED,AND SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING CONSEQUENTIAL DAMAGES. ©2012 Universal Forest Products,Inc.All rights reserved.Deckorators is a registered trademark of Universal Consumer Products,Inc.in the U.S. 4710 RC sheet_4/12 • ''s1V ATI-ES Code Compliance Research Report CCRR-0161 Page 4 of 23 Table 1 Deckorators®Railing Systems Building Code Recognition Deckoratots® Guardrail Baluster Style Aluminum Railing Code Type Systems Co Baluster Connector Recognition 32 in Classic Aluminum Classic Baluster Connector PN 104.3 PN 107.1,107.2& 129.1,107.3 Stair 32 in Frontier Scenic Glass Nylon Baluster Connectors Level(2�& PN 116.1 PN 125.1 &126.1 72 in by 42 in IBC-All Use 96 in by 42 in Stair 32 in Contour Scenic Glass Nylon Baluster Connectors Groups PN 124.1 PN 127.1&128.1 & 32 in, Estate Aluminum Estate Baluster Connectors IRC PN 114.3 PN 108.1 &130.1 One-and 40 in Baroque Aluminum Face Mounted to Rails Two-Family PN 110.3 Dwellings 2 36in-Classic Aluminum Classic Baluster Connector 72 in by 46 in Level()& PN 107.1,107.2& 96 in by 46 in Stair PN 104.4 129.1,107.3 Stair 26 in Scenic Glass Nylon Baluster Connectors PN 123.1 PN 125.1 &PN 126.1 Stair 32 in Contour Scenic Glass PN 124.1 32 in Frontier Scenic glass PN 116.1 32 in Traditional Aluminum Face Mounted to Rails PN 111.2 IRC(only) 72 in by 36 in Level(2)& 32.25 in Arc Aluminum One-and 96 in by 36 in Stair PN 112.2 Two-Family 32.25 in Baroque Aluminum Dwellings(3) 'PN 110.2 26 in Colonial Aluminum Classic Baluster Connector PN 113.1 PN 107.2 or 107.1 &107.3 or 26 in-Classic Aluminum 129.1 Stair PN 104.2 26"Estate Aluminum - Estate Baluster Connector ••••• • • PN 114.2 PN 108.&PN 130.1 Sut•i • • •. •••••• .... • • Guardrails are qualified up to and including the listed maximum guardrail system dir�ieecioiis for use:n : • the referenced Code Occupancy Classification. ' • • • • ..•. • 2All level systems included in Table 1 may use the 22.5° and 45° angle adapter undePath.PRC and.(IC• recognition. •••• •••••. 3 The use of this product shall be limited to exterior or interior use as a guard systerntor.halconies and• •• porches for one- and two-family dwellings of Type V-B (IBC) construction and dwelli .aonstructed in accordance with the IRC. •••••' ' • • • • •... • S. • • • • .. • • • •.•• Architectural Testing 130 Derry Court• York, PA 17406 717-764-7700 www.archtest.corn