BMAA members' products are specifically designed to be used for the
recommended purpose and are guaranteed to be supplied free of defects.
'Free of Defects' means that the product meets its published
description and specification, and is homogeneous in appearance after
allowance for minor variance that is inherent on the processes of
The product has performed satisfactorily when used in its design
context in all of the climatic extremes experienced throughout
'Satisfactorily' means with continued but gradually diminished
utility over its expected life, due to the unavoidable effects of
Ultra Violet Radiation and weathering, such as colour variation,
strength loss and dimensional change.
'Expected life' is at least the period covered by warranty, provided
the product is installed properly, and cleaned and maintained as