As a responsible supplier, Sarnafil strives to ensure that its Registered Installers are on top of all relevant regulatory changes, and that they are equipped to advise their clients of the impact of any changes. However we appreciate that not every company is as diligent as Sarnafil, and that you may be provided contradictory information to that on this page. That is why we have listed below independent bodies that can be consulted on this key topic and included a copy of an article that appeared in Construction Manager Magazine in July 2007.