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LGT/MGT/VGT/HGT Heavy Girder Tiedowns


Installation

View step-by-step installation instructions

The LGT, MGT, VGT and HGT are girder tiedowns for moderate to high load capacity applications. The LGT and VGT are also suitable for retrofit applications.

LGT connectors provide a low profile connection to the studs for easy installation of drywall. Simple to install and can be installed on the inside or outside of the wall. LGT connectors also provide exceptional bearing enhancement for heavy download applications. The LGT series has been extended to include the new LGT4-SDS3 for 4-ply girders. LGT can be installed on roof pitches up to 8/12 or on a bottom chord designed to transfer the load.

The Variable Girder Tiedown (VGT) is a higher capacity alternative to the LGT and MGT for girder trusses. It attaches with Simpson Strong-Tie® Strong-Drive® screws (SDS) to the side of truss and features a predeflected crescent washer that allows it to accommodate top chord pitches up to 8/12. The VGT is also available with one flange concealed for attachment to trusses with no tail.

The HGT offers the highest uplift capacity for girders and can be installed on trusses and beams with top chord slopes up to 8/12.

Material: HGT, VGT—7 gauge, LGT2—14 gauge, MGT, LGT3, LGT4—12 gauge.

Finish: HGT—Simpson Strong-Tie® gray paint; LGT, MGT, VGT—Galvanized

Installation:

Options: LGT3 and LGT4 are available with reduced widths of W = 4 3/4" and W = 6 5/16" - order as LGT3N-SDS2.5 and LGT4N-SDS3.


top Gallery:
  roll over images below to see larger image
 
VGT
U.S. Patent Pending
LGT3-SDS2.5
(LGT4-SDS3 similiar)
Typical LGT3-SDS2.5 Installation LGT2
Typical LGT2 Installation

HGT-2 (HGT-3, HGT-4 similar)

  roll over images below to see larger image
 
MGT Typical MGT Installation with HDU4 Typical VGTR Single Installation with HDU2
Typical VGT Double Installation with HDU4’s Typical HGT-3 Installation with Full Height Threaded Rod  

top Load Table: See code report listings below
Table
  1. Allowable loads have been increased for wind or earthquake loading; no further increase allowed; reduce where other loads govern.
  2. LGT2—F1 load = 700 lbs., F2 load = 170 lbs. with installation of 4-16d sinkers optional nail holes.
  3. LGT3—F1 load = 795 lbs., F2 load = 410 lbs.
  4. LGT4—F1 load = 2000 lbs, F2 load = 675 lbs. with installation of 7 - 16d sinkers in optional nail holes.
  5. LGT4—Uplift for DF/SP girder and SPF studs is 3860 lbs.
  6. MGT can be installed with straps vertical for full table load provided all specified nails are installed to either a solid header or minimum double 2x6 web.
  7. LGT connectors can provide bearing enhancement loads for truss download reactions. The DF/SP allowable load shall be 2060 lbs. for LGT2 and 4100 lbs. for LGT3 and LGT4 (for SPF/HF values use a 0.68 multiplier).
    For more information refer to technical bulletin T-HTIEBEARING .
  8. Girder tiedowns installed on the outside of the wall require a 3 1/2" overhang to achieve table loads.
  9. Simpson Strong-Tie® Strong-Drive® screws are permitted to be installed through metal truss plates as approved by the Truss Designer, provided the requirements of ANSI/TPI 1-2007 Sections 7.5.3.4 and 8.9.2 are met (pre-drilling required through the plate using a maximum of 5/32" bit).
  10. NAILS: 16d Sinker = 0.148" dia. x 3 1/4" long, 10d = 0.148" dia. x 3" long. See other nail sizes and information.
next  top Code Reports (PDFs):
Legacy Reports
  IAPMO UES ER ICC-ES ESR CITY OF LOS ANGELES STATE OF FLORIDA ICC-ES NER ICC-ES ER ICC-ES ES
HGTSee specific model numbers for code listings.
HGT-2  ESR-2613 / ESR-2616 / ESR-2877 / ESR-2523 * RR25726 / RR25806 FL10456 / FL10866      
HGT-3  ESR-2613 / ESR-2616 / ESR-2877 / ESR-2523 * RR25726 / RR25806 FL10456 / FL10866      
HGT-4  ESR-2613 / ESR-2616 / ESR-2877 / ESR-2523 * RR25726 / RR25806 FL10456 / FL10866      
LGT2      FL11470      
LGT3-SDS2.5      FL11470      
LGT4-SDS3      FL11470      
MGT      FL11470      
VGT      FL11470      
VGTLNo code listing: Please contact us for test data.
VGTRNo code listing: Please contact us for test data.



next  topDrawings: To download drawings, right-click or Ctrl-click on the link, then choose "Save Target As..."
Download the Simpson Strong-Tie® AutoCAD® Menu, which allows you to insert Ortho views directly into your AutoCAD drawing.

 ORTHOGRAPHIC
PERSPECTIVE
HGTNone for this model HGT with HTT: DWG | DXF
HGT-2 HGT-2: DWG | DXF
HGT-2 front view: DWG | DXF
HGT-2 left view: DWG | DXF
HGT-2 right view: DWG | DXF
HGT-2 top view: DWG | DXF
High Wind-Resistant Construction D23: Girder/Truss To Masonry/Concrete: DWG | DXF
Girder/Truss to Concrete Connections 2: DWG | DXF
HGT-2: DWG | DXF
HGT-3 HGT-3: DWG | DXF
HGT-3 front view: DWG | DXF
HGT-3 right view: DWG | DXF
HGT-3 top view: DWG | DXF
High Wind-Resistant Construction D8: Girder/Truss to Wall Framing: DWG | DXF
HGT-3: DWG | DXF
HGT-4None for this model None for this model
LGT2 LGT2: DWG | DXF
LGT2 front view: DWG | DXF
LGT2 left view: DWG | DXF
LGT2 right view: DWG | DXF
High Wind-Resistant Construction D20: Post Installed Truss/Rafter To Masonry/Concrete: DWG | DXF
High Wind-Resistant Construction D23: Girder/Truss To Masonry/Concrete: DWG | DXF
High Wind-Resistant Construction D40: Truss/Rafter to Stud: DWG | DXF
LGT2 Wood to Wood 1: DWG | DXF
LGT2 Masonry: DWG | DXF
LGT2 Wood to Wood 2: DWG | DXF
LGT3 LGT3-SDS2.5: DWG | DXF
LGT3-SDS2.5 front view: DWG | DXF
LGT3-SDS2.5 left view: DWG | DXF
LGT3-SDS2.5 right view: DWG | DXF
LGT3-SDS2.5: DWG | DXF
LGT4 LGT4: DWG | DXF
LGT4 front view: DWG | DXF
LGT4 left view: DWG | DXF
LGT4 right view: DWG | DXF
LGT4 top view: DWG | DXF
None for this model
MGT MGT: DWG | DXF
MGT front view: DWG | DXF
MGT left view: DWG | DXF
MGT right view: DWG | DXF
MGT top view: DWG | DXF
High Wind-Resistant Construction D23: Girder/Truss To Masonry/Concrete: DWG | DXF
High Wind-Resistant Construction D8: Girder/Truss to Wall Framing: DWG | DXF
MGT: DWG | DXF
MGT & PHD5: DWG | DXF
VGT VGT: DWG | DXF
VGT front view: DWG | DXF
VGT left view: DWG | DXF
VGT right view: DWG | DXF
VGT top view: DWG | DXF
High Wind-Resistant Construction D23: Girder/Truss To Masonry/Concrete: DWG | DXF
High Wind-Resistant Construction D6: Girder/Truss to Wall Framing: DWG | DXF
VGT Double Installation with HDU4s: DWG
VGTR Single Installation with HDU4: DWG
VGTL VGTL: DWG | DXF
VGTR: DWG | DXF
VGTL front view: DWG | DXF
VGTL left view: DWG | DXF
VGTL right view: DWG | DXF
VGTL top view: DWG | DXF
None for this model
VGTR VGTR front view: DWG | DXF
VGTR left view: DWG | DXF
VGTR right view: DWG | DXF
VGTR top view: DWG | DXF
None for this model

   
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