Bitumen, the sticky, gooey black stuff you sometimes see oozing out of hot road surfaces, is a valuable binding agent. Not only in road building. But also in construction and in the production of ...

Bitumen impregnated fibre roofing material will sag over time unless very well supported. New galvanised sheets will be installed soon. #thepotteringshed #derelict #barn #dreamworkshop #rottenroof ...