EW592A YBS Cavi-Mate Cavity Closers


This is an assessment of Cavi-Mate Cavity Closers for use in new build construction. In addition to closing the cavity, they provide the required insulation around the reveals it can also act as a window former with a role as a sub frame to allow the window to be fitted after all other building work is complete for 100-130 mm cavity widths. For use in dwellings and buildings with similar temperature and humidity conditions and correctly installed external cavity walls, which have been designed and constructed in accordance with the relevant clauses of BS 5268. Not to be exposed to organic solvents or plasticisers.  


Valid until 1st September 2022


Please Note: Every care was taken to ensure the information was correct at the time of publication. Any written guidance provided does not replace the user’s professional judgement. It is the responsibility of the dutyholder or person carrying out the work to ensure compliance with relevant Building Regulations or applicable technical standards.


Yorkshire Building Service Ltd
Unit 1 Crags Industrial Park
Morven Street
S80 4AJ
01909 721 662