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

Definition: Glass Juliet Barriers - internal type, e.g. a laminated glass barrier installed on the inside of a sliding door assembly and that is not an integral part of the screen.

Requirement: An internally positioned juliette barrier, which is not an integral element of an external wall window or curtain wall screen is not part of the 'external wall'. It therefore does not need to comply with the December 2018 amendments to the regulations or the B4-(1) element of the regulations.

Note: MHCLG's January 2020 update "Review of Ban on use of combustible materials…." is currently consulting on whether laminated glass in balcony balustrades should continue to be combustibility class A2-s1, d0 or better.

Is the position indisputable? This may not be the view of all organisations.

December 2018 Amendment

Reference: None.

Reference titles: None.

Approved Document

Reference title(s): None.

References: None.

MHCLG FAQS / Advice Notes

Reference: None.

Reference title(s): None.


Is the item exempt from Regulation 7(2), in accordance with Regulation 7(3)?: No.

Reference: None.

Statement: None.

If exempt, are there any restrictions on the use of the system, component or material given in the guidance in ADB vol 2? None.

Does B4 still apply?

Does B4 still apply? No.

Reference: None.

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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.