The lines are blurred here but, in the opinion of the BBA, a good rule of thumb would be the declaration of performance (DoP). If you are making changes that affect this, that would constitute a new product. If these changes are minor formulation changes that do not affect the performance of the product, this may not be substantial enough to be classed as a new product.
Building Regulations and guidance have been amended across the UK several times during 2022, mainly covering fire safety, energy economy and ventilation.
BBA Certificates are to be updated to allow for these new requirements, but users should be aware that this will take some time and that, in the meantime, the Regulations quoted and the associated comments may not be valid. This does not affect the performance characteristics quoted in Certificates and potential users should ensure that these parameters enable a product to satisfy the requirements of the current Regulations.
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