Cullen Technical Guide 2026

Walls

PC

Installation Instructions

Panel to Panel - Inline | Gable Panel Connections

Min. 300mm

1/3

1/3

1/3

Min. 300mm

Insert a 2nd PSTS screw into the “SECOND FIX” angled screw hole and drive until screw is tight.

(The 2nd screw will diagonally cross the joint, pulling the panels tight and closing any gaps).

A minumum of 2 PC are required to close a gap down the full panel and to achieve suitable racking performance.

Position the PC at the panel junction, the dashed line aligns with the edge of the panel covered by the ‘CULLEN’ logo. Secure one of the provided PSTS screws into the “FIRST FIX” screw hole on the far side.

Panel to Panel - Corner

Min. 300mm

1/3

1/3

1/3

Min. 300mm

(The 2nd screw will diagonally cross the joint, pulling the panels tight and closing any gaps).

A minumum of 2 PC are required to close a gap down the full panel and to achieve suitable racking performance.

Insert a 2nd PSTS screw into the “SECOND FIX” angled screw hole and drive until screw is tight.

Position the PC at the panel junction, the dashed line aligns with the edge of the panel covered by the ‘CULLEN’ logo. Secure one of the provided PSTS screws into the “FIRST FIX” screw hole on the far side.

Panel to Sole Plate | Panel to Rim Beam

Min. 200mm

Min. 200mm

Position the PC at the panel to sole plate junction, alignining the timber edge to the line on the part. Secure one of the provided PSTS screws into the “FIRST FIX” screw hole on the far side.

Insert a 2nd PSTS screw into the “SECOND FIX” angled screw hole and drive until screw is tight.

Number of PC’s required dependent on uplift design value (minimum edge distance 200mm from end of panel).

The latest most up to date version will always be online and not in print or in downloaded pdf.

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Technical support 01592 771132 / technical@itwcp.com / https://www.itwcoe.com

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