Major Projects: An Update to our Cavity Tray Warranty Guidance

Posted by Premier Guarantee on 19th December 2022 -

Due to changing building regulations, we are updating our warranty guidance on the use of cavity trays on residential buildings above 18m. 

What are the new requirements? 

Further to government review and amendments on the requirements for cavity trays, we require the following for warranty acceptance: 
 

• For all projects commencing after 1st January 2023, we will require cavity trays on residential buildings above 18m to be non-combustible (performance requirement including A2-s1, d0 or A1 reaction to fire classification) and to have independent third-party product certification that has been assessed as being acceptable to us. 

What cavity tray products are acceptable under the new guidance? 

The graphic below outlines which non-combustible cavity tray products we now accept, subject to conditions.  

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