The scientists also observed another mechanism of fire spread throgh melted and burning bitumen. “Compared to previous research on flat roofs, we saw the same type of effects by the cavity ...

Flat roof extensions are constructed using a deck which could be made up of softwood boards finished with a bitumen coating. However, increasingly, they are made using thick sheets of weather- and ...

"It is to be constructed with a horizontal external timber cladding and provides a new pitched roof in reconstituted Cotswold slates to replace the existing bitumen flat roof." Several planning ...

"It is to be constructed with a horizontal external timber cladding and provides a new pitched roof in reconstituted Cotswold slates to replace the existing bitumen flat roof.” No comments were ...