Technical Bulletins
The Technical Bulletins have now been withdrawn.
- Technical Bulletin 1: Certification of Contractor Designed Details has been withdrawn and replaced with information in Guidance Note 12: Building Risk Group Matrix and in Certification Performance Criteria Guidance B1.4
- Technical Bulletin 2: Guidelines for Checking the Structural Design of Buildings has been withdrawn and replaced by Guidance Note 11 with the same title
- Technical Bulletins
- 3: Certifying the Design of Timber Framed Structures
- 4: Certifying the Structural Design of Conservatories
- 5: Certifying the Structural Design of Protective Barriers
- 6: Certifying the Design of Glazing Systems
- were withdrawn 01/04/2022 following the publication of the new Certification Practice Notes.