Sigma DG 1000 Series fiberglass form ties being used in concrete forming project

Fiberglass Form Ties

1000 series

The Sigma 1000 Series fiberglass form tie is an original thread form that maximizes the properties of both fiberglass and steel to create one of the strongest fiberglass threaded rod on the market today.
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1000 Series Fiberglass Form Ties


This 1" diameter tie is easy to use and very versatile. Benefits include:

Large mat foundations
Board Form Concrete
Battered Wall Forming
Thick abutments / She Bolt replacement
Taper Tie Replacement
No patching unlike taper ties
Custom width walls (columns)
Corrosion Resistant
Multiple Accessories
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1000 Series Specifications

Safe Working Loads (2:1)

  • Standard single nut: 25,000 lbs
  • Cast wing nut: 25,000 lbs
  • Tie Saver: 25,000 lbs


All Sigma Products and Systems are sold subject to Sigma’s standard warranty and nothing shall expand or extend that warranty. The data contained in this website is considered representative at the time of publication or viewing and believed to be reliable. Sigma reserves the right to make improvements or modifications to its product lineup and processes which may result in changes to specifications. Sigma assumes no liability for the formwork design or construction. Formwork design and pour pressures at the discretion of the formwork supplier, project engineer, or contractor.

Sigma DG 1000 Series fiberglass form tie
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2801 NW Lower River Road
Vancouver, WA 98660
Office: 360-859-3170
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