Clip Fasteners

Secret-fixed roofs will be attached to the primary structure by a proprietary clip that is screwed or nailed to the purlins. These profiles offer the advantages of fewer penetrations through the cladding, and thermal expansion is unimpeded.

Clip and bracket fasteners can be purpose made to provide the same attributes to most flashings.

Revision Category: 
1 - Minor Errata
Revision Detail: 

This clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.