abstract
asphalt
asphalted
asphaltic
background
bitumen
bituminous
black
board
coating
construction
covering
felt
flat
floor
glued
grains
granular
granules
grey
industry
material
melt
mineral
paper
prepared
protection
protective
raw
roof
roofing
rough
rubberoid
ruberoid
sheathing
sheet
site
stone
tar
tarred
texture
textured
waterproofing