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FGTR/LGT/VGT Retrofit Girder Tiedowns for Masonry


The LGT, VGT and FGTR products are moderate to high load capacity girder tie-downs for new or retrofit applications.

LGT connectors provide a low profile connection to the wall for easy installation of drywall. Simple to install and can be installed on the inside or outside of the wall.

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 Face Mount Girder Tie-Down (FGTR) is a non-pitch specific girder tiedown that offers the highest uplift capacity for retrofit applications. The FGTRHL/R is designed for corner hip applications.

Material: VGT—7 gauge; LGT—14 gauge; LGT3/LGT4—12 gauge; FGTR—Straps: 7 gauge, Plate: 3 gauge

Finish: VGT, LGT—Galvanized; FGTR—Powder Coated

Installation:

VGT/FGTR
  • Screw holes are configured to allow for double installation on a two-ply (minimum) truss.
  • The product can be installed in a single application or in pairs to achieve a higher uplift capacity.
  • Can be installed on roof pitches up to 8/12 or on a bottom chord designed to transfer the loads.
  • FGTR - Only 2 of the 4 holes provided on each strap are required to be filled to achieve the catalog loads. The first Titen HD® screw anchor 1/2"x5" (THD) shall be installed a minimum of 4" from the top of the wall. Fasteners shall not be installed in adjacent holes.
  • VGT - When installed on trusses with no overhangs, specify VGTR/L.
  • VGT - Install washer component (provided) so that top of washer is horizontal as well as parallel with top of wall.

Options: LGT3 is available with reduced widths of W = 4 13/16" - order as LGT3N-SDS2.5.


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


  roll over images below to see larger image
 
FGTR
U.S. Patent 7,891,144
Typical FGTR Single Installation Typical FGTR Double Installation FGTRHL Installation (FGTRHR similar)
 
Moisture barrier not shown (Typ.)
   

top Load Table: See code report listings below
Table
  1. Allowable loads have been increased 60% for wind or earthquake loading with no further increase allowed; reduce where other loads govern.
  2. To achieve the loads listed for the VGT single and double connector options, anchorage into a 8" wide concrete tie-beam or grouted and reinforced CMU tie-beam can be made using Simpson Strong-Tie® SET Epoxy-Tie® adhesive with a minimum embedment depth of 12", a minimum end distance of 12" and centered in the 8" member. Vertical reinforcement may be required to transfer the loads per Designer
  3. Minimum concrete strength f'c shall be 2500 psi. CMU shall have a minimum grout strength of 2500 psi with standard ASTM C90 units and type N or S mortar.
  4. FGTR—Minimum edge distance for Titen HD anchor is 4".
  5. FGTR—Titen HD anchors should be spaced in every other hole on the part.
  6. FGTR—The Titen HD anchors and SDS screws are provided with the part.
  7. LGT2—F1 load = 700, F2 load = 170.
  8. See Titen® screw information.
  9. Table allowable loads were determined using tested lowest ultimate/3 or fastener calculation values.
  10. Products shall be installed such that the Titen screws and Titen HD anchors are not exposed to the weather.
  11. For concrete wall applications use 1/4x1 3/4 Titen screws.
  12. 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).
  13. NAILS: 16d Sinker = 0.148" dia. x 3 1/4" 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
FGTR      FL11473      
FGTRHL      FL11473      
FGTRHR      FL11473      
LGTSee specific model numbers for code listings.
LGT2      FL11470      
LGT3-SDS2.5      FL11470      
LGT4-SDS2.5 No code listing. Please contact us for test data.
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
FGTR FGTR: DWG | DXF
FGTR front view: DWG | DXF
FGTR right view: DWG | DXF
High Wind-Resistant Construction D19: Post Installed Truss/Rafter To Masonry/Concrete: DWG | DXF
High Wind-Resistant Construction D21: Girder/Truss To Masonry/Concrete: DWG | DXF
High Wind-Resistant Construction D32: Truss/Rafter Hip To End Wall: DWG | DXF
High Wind-Resistant Construction D33: Truss/Rafter Hip To End Wall: DWG | DXF
FGTRHL FGTRHL: DWG | DXF
FGTRHL front view: DWG | DXF
FGTRHL right view: DWG | DXF
High Wind-Resistant Construction D24: Truss/Rafter Hip To Wall: DWG | DXF
High Wind-Resistant Construction D29: Truss/Rafter Hip To Wall: DWG | DXF
FGTRHRNone for this model None for this model
LGTNone 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
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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