Knock-IT is designed to offer a method of attaching to steel purlins.

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Knock-IT is designed to offer a method of attaching to steel purlins. 


Our standard purlin clips supplied are designed for vertical flanges up to 7mm thick. 


The range consists of a pre-determined length of wire from 1 metre to 10metres with a choice of safe working load


Designed to offer a method of attaching to steel purlins.

Standard purlin clips supplied are designed for vertical flanges up to 7mm thick.

The range consists of a pre-determined length of wire from 1 metre to 10 metres with a choice of Safe Working Load.

The system consists of wire and zip-clip with a purlin fixing termination.

The Applications

Suitable for:

• Vertical flange purlins

• Lighting

• Plenum boxes

• Chilled Beams

• Radiant heat panels

• Cable tray

• Acoustic boards

• More purlin clip options available


Safe working loads

G 10kg

S 35kg


• Key free release system for adjustment

• Available with both 1-5mm and 5-7mm purlin clips as standard

• Other purlin hangers available on request

• High tensile galvanised wire 1960N/mm² grade 7 x 7 construction

• BSEN 12385 standard

• Ensure loadings are within purlin manufacturers guidelines.

• For higher loadings please refer to the wrap around range of products.


If you would like more information, please contact our dedicated Zip-Clip technical team on technical@dpbuildingsystems.co.uk or 0121 706 7777 or visit their supplier shop Click Here