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Connectors for Masonry, Timber and Steel Construction
Restraint Straps
LTS

Light Twist Strap

Restraint strap with a formed twist for timber to timber or timber to masonry connections.

LTS1400E used for Timber Gable Panel lateral and vertical restraint.

 

Technical Data Sheet
LTS main image

Product Details

Images

LTS in situ
LTS in situ - from below
LTS in situ - zoom
LTS Binder.jpg
LTS1400E - Lateral Restraint - Fixing to Bracing Board / Binder
LTS1400E_Restraint_Timber.jpg
LTS1400E - Vertical Restraint - Timber to Timber Frame
LTS Block.jpg
LTS1400E - Vertical Restraint - Timber to Masonry
LTS Solid Noggin.jpg
LTS1400E - Lateral Restraint - Fixings to Solid Noggins

Technical Data

Dimensions

LTS Call outs.jpg

Product Dimensions & Performance Values

References Dimensions [mm] Holes [mm] Strap Characteristic Tensile Capacity [kN]
A B C t Ø4 Ø5 Ø6 Ø9.5
LTS18324571941.226--22.9
LTS1400E3814002251.514814-8
  1. Characteristic tensile capacity is the capacity of the strap only.
  2. Fixings type and quantity are to be specified by the building designer / structural engineer

Installation

Installation

General Installation:

  • The LTS18 must have same number of fasteners installed at each end. Otherwise, the least number of nails in the either member limits the load.
  • LTS1400E is suitable for use in providing lateral and/or vertical restraint for timber gable panels to timber frame or masonry walls.
  • Unless otherwise specified, the building designer or structural engineer is to specify the type and quantity of fasteners to be installed, depending on required load requirements.

LTS1400E: Lateral Restraint - Fixing to Truss Rafter Longitudinal Bracing / Binder

  • LTS1400E is to be fixed to a 25mmx 100mm longitudinal truss bracing.
  • In instances where position of strap does not coincide with existing longitudinal bracing, the strap can be fixed to an additional 25mm x 100mm binder.  The binder is to be fixed over four trusses and nailed twice to each truss bottom chord with 3.35x65mm round wire nails.
  • Ensure the position of the additional binder and strap coincide with the gable panel vertical timber stud.
  • LTS1400E is to be fixed to the side of the gable panel vertical stud with a minimum of three 3.75x30mm square twist nails.
  • LTS1400E is to be fixed to the bracing / binder with eight 3.75x30mm square twist nails, evenly distributed along the length of the strap.  (For NHBC warrantied buildings, in accordance with NHBC Standards 2017, section 7.28, eight 25mm x 4mm steel screws, shall be used instead of the square twist nails).
  • The strap is to be of sufficient length to be fixed to a minimum of three trusses.

LTS1400E: Lateral Restraint - Fixing to Truss Rafter Solid Noggins

  • LTS1400E is to be fixed to the side of the gable panel vertical stud with a minimum of three 3.75x30mm square twist nails
  • LTS1400E is to be fixed to the noggin / trusses with eight 3.75x30mm square twist nails, evenly distributed along the length of the strap.  (For NHBC warrantied buildings, in accordance with NHBC Standards 2017, section 7.28, four 50mm (minimum) x 4mm steel screws or four 75mm x 4mm round wire nails, with one fixing into the third rafter, shall be used instead of the square twist nails).
  • The strap is to be of sufficient length to be fixed to a minimum of three trusses

LTS1400E: Vertical Restraint - Fixing to Timber Frame Walls

  • LTS1400E is to be fixed to the front face of the gable panel vertical stud with 3.75x30mm square twist nails
  • LTS1400E is to be fixed to the side of the timber frame panel vertical stud with 3.75x30mm square twist nails, evenly distributed along the length of the strap.
  • The number of fixings should be in accordance with the design requirements and the lowest fixings should be located within 150mm of the bottom of the strap

LTS1400E: Vertical Restraint - Fixing to Masonry Walls

  • LTS1400E is to be fixed to the side of the gable panel vertical stud with 3.75x30mm square twist nails
  • LTS1400E is to be fixed to the face of the masonry with either Ø4mm x 75mm hardened nails, or Ø5.5mm x 50mm wood screws into plugs
  • The number of fixings should be in accordance with the design requirements and the lowest fixings should be located within 150mm of the bottom of the strap
LTS Binder.jpg
LTS1400E - Lateral Restraint - Fixing to Bracing Board / Binder
LTS Solid Noggin.jpg
LTS1400E - Lateral Restraint - Fixings to Solid Noggins
LTS1400E_Restraint_Timber.jpg
LTS1400E - Vertical Restraint - Timber to Timber Frame
LTS Block.jpg
LTS1400E - Vertical Restraint - Timber to Masonry

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Simpson Strong-Tie U.K.

Simpson Strong-Tie

Cardinal Point, Winchester Road
Tamworth
Staffordshire
B78 3HG
United Kingdom

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