As stated on current BBA certificates for Siniat Products, the certificate will remain valid for an unlimited period provided that the product and its manufacture:

• are maintained at or above the levels which have been assessed and found to be satisfactory by the BBA
• continue to be checked as and when deemed appropriate by the BBA under arrangements that it will determine
• are reviewed by the BBA as and when it considers appropriate

Further guidance can be found on the BBA website:

https://www.bbacerts.co.uk/news-and-media/news/faq-items/how-long-do-bba-agrement-certificates-last/

Should you need to question any specific technical information or guidance please contact Siniat Technical directly.