Authorized Distributor:

SFTec®

SFT-Connector® — GFRP shear connector for ICF, precast, and sandwich panels

SFT-Connector® — GFRP shear connector for ICF, precast, and sandwich panels

CoresupplyX supplies SFT-Connector as an authorized distributor of SFTec. SFT-Connector is a glass fiber reinforced polymer (GFRP) shear connector that ties two concrete wythes through an insulation layer, or ties ICF and other concrete elements, without introducing a corrosion path the way a steel tie can.

The connector is used on ICF walls, slabs, plant-cast precast panels, site-cast tilt-up panels, and other insulated concrete structures. Length is customized to the wall or panel build-up. Accelerated-aging tests reported by the manufacturer indicate the connector material resists alkali attack for over 100 years.

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Description

SFT-Connector Applications

  • ICF walls – non-corrosive, non-conductive ties through the foam.
  • Insulated sandwich panels – fastens the two concrete layers through the insulation on horizontal casts (precast and tilt-up) and vertical casts (modular panels).
  • Slabs and other concrete structures where a GFRP shear connector is specified.

Three Connector Types

Type I – SFT-Bar Connector

GFRP threaded bar with a high-impact, alkali-resistant polymer collar injection-molded at the centre. The collar creates the holding and sealing section at the insulation layer. Diameter 10 mm. Colour white. Length customized.

Type II: SFT-FlatConnector

GFRP flat-bar connector with the same style of polymer collar. Formed from about 78% glass and 22% vinyl ester polymer by weight (evaluated per ASTM D3172). Non-conductive and non-corrosive. Nominal coefficient of thermal expansion about 5×10−65×10−6 in/in/°F (1×10−51×10−5 mm/mm/°C). Tension tests referenced to ASTM D3039. Diameter 10 mm. Length customized.

Type III: SFT-ContinousShearConnector

GFRP threaded shear connector. Diameter 10 mm. Colour white/black. Length customized. Published strengths below are for the straight portion.

Published Mechanical Values (SFTec)

Property Type 1 BarConnector Type II FlatConnector Type III Continuous
Diameter 10 mm 10 mm 10 mm
Form Thread bar Flat Thread
Tensile Strength 80 kN 59 kN 75 kN (straight)
Compression Strength 24 kN 20 kN 22 kN (straight)
Tensile Modulus 65 GPa 45 GPa 60 GPa
Shear Strength 180 MPa 120 MPa 180 MPa (straight)

Confirm the current SFTec product sheet for submittals. Values above are the figures published on the manufacturer’s connector page.

Benefits

  • Non-corrosive GFRP — no rust staining or section loss at the tie.
  • Non-conductive — useful on walls near electrical equipment or where thermal bridging from steel ties is a concern.
  • Alkali-resistant collar and connector system; manufacturer aging tests cited at over 100 years.
  • Custom lengths matched to insulation thickness and wythe build-up.
  • Lightweight versus steel ties — easier handling on ICF and precast beds.

Notes for ordering

Send connector type (I, II, or III), required length, insulation thickness, quantity, and job location.

Request Connector Info

Additional information

Catalog:

FRP Straight Rebar, FRP Closed Ties, FRP “V or U” Shape, FRP Spirals (circle), FRP “Echelon” Shape, FRP Hollow Rebar

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