coated felt sheet
Noun
Meaning
An asphalt felt that has been coated on both sides with harder, more viscous asphalt.
A glass-fiber felt that has been simultaneously impregnated and coated with asphalt on both sides.
Source: en.wiktionary.orgNoun
An asphalt felt that has been coated on both sides with harder, more viscous asphalt.
A glass-fiber felt that has been simultaneously impregnated and coated with asphalt on both sides.
Source: en.wiktionary.org