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Simpson Strong-TV'Wood Construction Connectors
<br /> DTT
<br /> Deck Tension Ties
<br /> OTT tension ties are safe,cost-effective connectors designed to meet or exceed code .1
<br /> requirements for deck construction.'these versatile DTT connectors are also load-rated
<br /> as a h ldown for light-drlty shearnaMs and braced-mall panel applications. ® ��
<br /> For new construction or to make an existing deck code-compliant,the DTT1Z can be
<br /> used as a tension-tie to satisi�r the 2015.2018 and IRC provision for a 750 ib. ® �
<br /> lateral load connection to the house at four locations per deck.This.node detail permits
<br /> the lateral connection trom the deck joists to be made to top plates,studs or headers
<br /> within the supporting structure,which eliminates the need to access to the floor joists m 7t� m
<br /> inside the home.'I"he D1-1-1Z is available in a kit(DTI-1Z-KT)that Includes four DI T1Z m 1®
<br /> connectors,four Strong-Drive'"SDWH Timber-Hex HOG sornws(SDWH2780M)and
<br /> (26)09 x 1+h"Strong-Drive SD Connector screws. 06
<br /> The DTT1 Z fastens to the narrow or wide face of a single 2x with Strong-Drive SO
<br /> Connector screws or halls and accepts a V bolt,anchor bolt or lag screw(washer a.yk„
<br /> required)or can be installed with the Strong-Drive SDWI•i Timber-Flex FIDG screw
<br /> with an integral washer.
<br /> The DTT2 can be used to satisfy the IRC provision fora 1,500 lb.lateral lord connection
<br /> at two locations per deck.Additionally,the DTT2 has been tested and evaluated in deck
<br /> guardrail post applications to resist the code-specified lateral forces at the top of ralnng
<br /> rift
<br /> assemblies.The DTT2 is also available with longer 2'/_""Strong-Drive SDS 1 teavy-Duty uS P tD'-"Z :,`:`r> us PaIDTT2Z;i.53o
<br /> Connector screws(model DTT2Z-SDS2.5)to achieve higher loads when neex ed.The
<br /> DTT2 fastens easily to the wide face of a single or double 2x using
<br /> Strong-Drive SDS Heavy-Duty Connector screws(included)
<br /> and accepts a:r"-diameter bolt or anchor bolt,
<br /> Floor snesd,tng
<br /> For guard post installations using Strong-Drive SDWS ✓ diamcler railed'A6 max
<br /> r �,Ij��-;,.i, HD61hroded na«.:ertlertoi0is:
<br /> Timber screws,see technical bulletin l - (6)e9 x, •SD rod won nos vat holaoerrt
<br /> Material:'14 gauge screvn(shovm)or and'Mhers
<br /> (6)0.743" 75!`nails -Codtinuoust nnvng
<br /> Fnish:DTT1ZlDTT2Z--ZMAX''coating;DTT2SS— (parrpd r nmanoan
<br /> Yz`HDG fsq sermr s{ III
<br /> stainless steel;see Corrosion Information,pp.12-15 ttiah HDO%vasher or. z,
<br /> SOWHTimber-Hex
<br /> Installation: HDG screq(shovm) I
<br /> into top Plate.Vilds.
<br /> • Use all specified fasteners:see General Notes of haader F;li i t t a i Itt,
<br /> • A slatldard cut crasher(included for DTT2)n1u51 DIT72 Floor;osr • Deck 17727
<br /> be installed between the nut and the seat so d 2x o st o, Dist
<br /> • Strong-Drive SDS Heavy-Duty Connector screws(SDS) rmn.thnuuJ zx hl•eti,„ol
<br /> prnatraEion
<br /> install best with a low-speed high-torque drill with
<br /> a 4W"hex-head driver(Model'=, )
<br /> • Strong-Drive SO Connector screws(SD)install Typical DTT1 Z Deck-to-House Typical DTT2Z Deck-to-House
<br /> (21 with a v<hex-head driver Lateral Load Connection Lateral Load Connection
<br /> 4 • Strong-Drive SDWH Timber-Her.HOG screws install For more information on lateral load For more information on lateral load
<br /> wth a "hex-head driver{Model ::' is z;' ) connections,see technical bulletin connections,see technical bulletin
<br /> Codes See p.11 for Code Reference Key ChartT-C-DECKLAT at strongtie.com T C-DECKIAT at strongtie.com
<br /> Thew rr•ducts are avalabte with For stainless- T' Mal* of thaw pp red for installation
<br /> c k - Y procucts area r K
<br /> additional corrosion protection. steel fasteners � with Strong_-QNe SD Connector screws.See R
<br /> For more nformafion,see p,1.. see p.21. �
<br /> c pp.343 u5 for more information. Decking
<br /> 1 Min.Wood Allowable Tension Loads (YR•)
<br /> Z SOS
<br /> Anchor Fasteners Member ""'""- --`------- -- Cod
<br /> e / uses,,: x1',1Y p
<br /> 3 Model DF/SP V -SPF/HF 1
<br /> r I No i C1 i Diameter (in.} Thickness Ref, (ircvdPri)I
<br /> 4x4 post
<br /> (160) l (160) mt (NP
<br /> 7~ (6:►I9 x 1'h"SD � 340 i L40 )
<br /> a n 2-_..
<br /> FJ' Uf 1L Y4 i 5D`r1H' (6)0,i48x1k. fih - -910� 6r+U' —� )
<br /> u _ _
<br /> 50
<br /> ' c- ((A)'0.'48 x` i__..........)Y... _�19825.- .....-._._._1$ 4 _ If Lr DTT2Z
<br /> D•r-"Z/DTT2SS tic 'n 4 vn.,x 1 e SOS LA s dfarncter H0G bolts
<br /> 2,14a 1.835 or threaded rods with ZxE mot.
<br /> DTT 2Z-SDS2.5 4,e Yz i (8)'•:x 2'•;,SDS 1 3 2,145 2,105 nuts and washers standard Cut washer
<br /> - (Simpson Strong Tie required between
<br /> 1.Allorveble loads have beet increased for wir:O-�r earthquake loading wit;•,no further incresse allowed. FFB:4x7H0u") nut and seat
<br /> Reduce sA-,ere other Inads govern. (Mvidurf)
<br /> 2.D-17IZ instdiaukxLs with allowabile],-Ads below 7510 lb,do not satisfy trre 2015r' :::1 1 IRC
<br /> regUirrmorits for deck-to-house latersl loss-=u*ctians.
<br /> 2.The Strong-Drift;''',OV.N Timber-Hex HDG scievv with a minimum of S"thread penetration into dry lumber DTT2Z Installed
<br /> has an allowable withdrawal load(160)of 1.380 lb. nto SP,1225 lb.into DF:and 1,020 Lt.into SPFA-IF. for a Deck Guardrail Post
<br /> 4.Load vakrhs are valid F the prodtx::t is flush with the end of the tramirK;member orinstalled away'z•rtt the Ltd. For more information on
<br /> 5.-rite guardrail post illustraticat atxwe addresses;an outward force on the guardrail.An additional Dl'T2 guardrail post connections,see
<br /> can be added M the lower tolt 10 address an irnvord force. technical bulletin T-C-GRDRLPST
<br /> 5.A A"FIDG round wasivv i,mquired with the use of a lag screw. at Strongtie.corn
<br /> 7.Fasteners:Nail cintensicxts are fisted dial ielt�r t:y length.SD and SDS screkvs are Simpson Strong-Tier'
<br /> Shoat-Drive screws.See,pp.21-22 for fastener inforrnalJon.
<br /> 295
<br /> UPDATED 07101M 14.
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