Chrysotile, a type of asbestos, is thought to be from Daler-Rowney factory's roof in Bracknell.
The Royal Berkshire Fire Service was helped by six other services during the blaze in May.
Residents have since been allowed back home after the factory fire in Bracknell An art materials manufacturer is assessing the damage to its headquarters after a large fire broke out on Monday. Homes ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results