PART_B
Approved Document B + BS476
Fire Safety
Fire-rated materials, cavity barriers, intumescent seals. Part B is responsible for 67% of Gateway 2 rejections on higher-risk buildings.
Cost of failure: £40,000–£75,000 per flat for cladding remediation
Materials
Certified products for PART_B
| Product | Manufacturer | Certification | Lead time |
|---|---|---|---|
|
Rockwool RWA45 Fire Pro Duo
Non-combustible mineral wool, melting point >1000°C |
Rockwool UK | Euroclass A1, UKCA marked, DoP available | 5d |
|
Promat Supalux fire board 12mm
Calcium silicate, non-combustible A1 |
Promat UK | BS476 Part 22 · 60 minute fire resistance | 7d |
Packages
Deal packages including PART_B
Tier 1
Single Part Compliance Pack
£150
48h turnaround
- Certified product schedule
- UKCA / BBA certification references
- Supplier contact details
- Approved Document clause references
- 48-hour turnaround
Tier 2
Full Compliance Schedule
£350
48h turnaround
- Multiple Parts covered (B/E/L typical)
- Building control ready documentation
- BREEAM Mat credit references
- Multiple supplier options compared
- Installation specification notes
- 1 revision included
Tier 3
Premium Compliance with Quotes
£600
48h turnaround
- Full multi-Part schedule
- Supplier quotes obtained
- Gateway 2 ready documentation
- BREEAM credit mapping
- Future Homes Standard alignment
- 2 revisions included