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Independent Product Approvals

For over 90 years, Lindapter has manufactured to the highest standards, earning a multitude of independent approvals and a reputation synonymous with safety and reliability. Current accreditations are detailed below.


North America’s leading evaluation service has approved multiple Lindapter products to be compliant with the International Building Code. Girder Clamps (Types AF and AAF) and Hollo-Bolts (HDG) are ICC-ES approved to resist wind and seismic loads. For more information click here.

CE Mark

CE Marking provides additional assurance that a product complies with the EU Construction Product Regulation and will perform as stated in the corresponding Declaration of Performance (DoP). DoPs list Characteristic Resistances for use when designing connections to Eurocode 3. For more information click here.

Factory Mutual

This American insurance organisation offers an approval that is recognised by the fire protection industry worldwide.

TÜV Nord

TÜV is the certifying authority for safety, quality and environmental protection in Germany.

Lloyd’s Register Type Approval

Lloyd’s Register Type Approved products have been subjected to tensile, frictional, vibration and shock tests, witnessed and verified by Lloyd’s Register. Lloyd’s Register Type Approved products have been subjected to tensile, frictional, vibration and shock tests, witnessed and verified by Lloyd’s Register. 

VdS Schadenverhütung GmbH

VdS is a leading independent testing institution in Germany for products used in fire protection applications.

Los Angeles Department of Building and Safety

Los Angeles Research Reports (LARR) verify that Hollo-Bolts (HDG) and Girder Clamps (Types AF and AAF) comply with the City of Los Angeles Building Code.

ISO 9001

Accredited to ISO 9001 since 1986, Lindapter strictly enforces a quality management system that includes rigorous product testing to ensure consistently high manufacturing standards. To download our certificate click here.

ISO 14001

Lindapter operates an ISO 14001 certified environmental management system, constantly monitoring and improving aspects of the business that may impact on the environment, such as the use of natural resources as well as handling and treatment of waste and energy consumption. To download our certificate click here.

Faster to Install

No drilling or welding!

Independently Approved

Reasons to choose Lindapter

  • Save time and money

    Save time and money

    Clamping two steel sections together avoids time-consuming welding or conventional drilling and bolting.

  • Safer connections

    Safer connections

    Drilling and welding in the field is avoided, removing the need for hot work permits and encouraging safer site conditions.

  • High strength

    High strength

    Lindapter clamps are manufactured from high strength materials to resist high load requirements and harsh environments.

  • Industry leading approvals

    Industry leading approvals

    Lindapter has earned a reputation synonymous with safety and reliability, gaining multiple independent approvals.

  • Adjustable


    Quickly align steel sections by sliding the section into the correct position before tightening the Girder Clamp to complete the installation.

  • Free connection detailing

    Free connection detailing

    Lindapter’s experienced Engineers can detail a custom connection based on your specific requirements free of charge.

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