Fifty-years-old this year, the British Board of Agrément (BBA) remains the construction industry’s most respected body in terms of product classification. A BBA certificate carries a stamp of authority and is still the most effective way for a new product to gain vital credibility in an ever-increasing marketplace.


Created in May 1966, the BBA – or the Agrément board as it was known then – has undergone a number of changes, gradually expanding its testing, inspection and certification services to other product areas. Its remit may have widened throughout the years, but the BBA’s objective remains the same as the day it originated – to provide a mark of quality, safety and reliability that gives customers reassurance of the product’s fitness-for-purpose.  

Only products and systems that have passed a series of comprehensive assessments – including laboratory tests, onsite evaluations, quality management checks and inspections of production are awarded an Agrément Certificate.


The issue of certification isn’t the end of the story – it is only the beginning. Once a Certificate is issued BBA carries out regular monitoring to maintain its validity. A product’s classification continues to be placed under the microscope with a comprehensive, three-yearly BBA review.

We carry BBA certification on all of our roofing membranes and our proud of the durability classifications we have achieved. In most instances, the BBA issues certifications that cover a product’s durable performance for 25 to 30 years, whereas all Sika-Trocal membranes are approved for up to 35 years – proof that we’re leading the way in terms of installation performance.


For more on our BBA accredited membranes click here