There have been some key changes to Approved Document B with regards to smoke ventilation, take a look!

#ApprovedDocumentB #SmokeVentilation #Construction

Here at Sertus we manufacture smoke ventilation products. We also like to educate people about smoke ventilation and related fire safety topics. Whether you're a smoke control pro or just someone who stumbled across our channel by accident, hopefully you'll learn something new and help us in our mission to make the world a safer place 😁

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