We have a fire door survey contract in place and majority of the doors are composites. The building are sheltered housing, shared housing , high rise buildings.

The client holds certification on some sites for composites but majority they don’t hold any evidence of certification. 

With the MOH detailing on GRP composites test data where several composite doors manufactures failed, i wounded where we stand if the client can’t provide any certification and is there any guidance on this matter. 

Some composite fire door-sets will have a manufacturer's label at the door frame head underside. This provides traceability to the manufacturer so that you can contact them for information about the fire resistance rating of the door.  If the fire door has third-party certification there should be a label or coloured plug fitted to one edge (usually top or hanging) of the door leaf providing details about the fire resistance rating for the door and traceability to the manufacturer. 

If the client has no certification, what other documentation relating to the doors do they have?  Such documents may be used to trace the product to the manufacturer.  https://www.thefis.org/mhclg-advice-note-17/

Thanks Neil