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Key

 
Warranty Position Regulatory Position and Guidance Exemptions Does B4 still apply?
Green indicates we consider our position best practice and not in dispute Grey items cover the December 2018 Amendments, Approved Documents and MHCLG's own FAQs and advice notes Green indicates that the item IS exempt from Regulation 7(2), in accordance with Regulation 7(3) Green indicates that B4 still applies, and refers to relevant parts
Yellow indicates our position has the potential to be subjective   Red indicates that the item is NOT exempt. Refer to Regulation 7(3) Red shows that B4 no longer applies

 

Warranty Position

Requirement: Finishes to window, door and curtain wall frames are exempt.

Infill panel finishes need to achieve combustibility class A2-s1, d0 or better.

Is the position indisputable? Yes.

Note: MHCLG's January 2020 update "Review of Ban on use of combustible materials…." is currently consulting evidence on whether paint applied to masonry walls, or multiple applications of paint (as a consequence of maintenance) creates a concern or risk.

December 2018 Amendment

Section 2 Reference: 2(6)(a)(iii).

Reference titles: Any windows and doors in the wall.

Approved Document

Reference title(s): 10.15(d) and Appendix A.

References: Regulation 7(2) and requirement B4: Additional considerations,

Appendix A: Key terms *External wall

MHCLG FAQS / Advice Notes

Reference: Section 9.

Reference title(s): Regulation 7(3) exempt window frames from the requirements of regulation 7(2) this exemption includes all component parts of a windows frame.

Exemptions

Is the item exempt from Regulation 7(2), in accordance with Regulation 7(3)?: Yes.

Reference: 7(3)(j).

Statement: Window frames and glass.

If exempt, are there any restrictions on the use of the system, component or material given in the guidance in ADB vol 2 Approved Document B clause 10.15(d): Window spandrel panels and infill panels must comply with Regulation 7(2).

Does B4 still apply?

Yes: Reference: B4-(1)

For guidance on using this resource, please click here.

Disclaimer: The information in this document is believed to be correct in light of information currently available and at the time of publication but is not guaranteed. Neither LABC Warranty nor its agents can accept responsibility in respect of the contents or any events arising from the use of the information contained within this site. The guidance provided does not replace the reader’s professional judgement and any construction project should comply with the relevant Building Regulations or applicable technical standards. For the most up to date LABC Warranty technical guidance please refer to your Risk Management Surveyor and the latest version of the LABC Warranty Technical Manual.