Drywall Joint Tape
This information reflects our best understanding of product composition in 2015.
ASTM C475 defines joint tape as "a strip of material used to conceal and reinforce the joint between two gypsum boards". This material can be paper or glass mesh. This CP reviews the more commonly used paper type of drywall joint tape....
ASTM C475 defines joint tape as "a strip of material used to conceal and reinforce the joint between two gypsum boards". This material can be paper or glass mesh. This CP reviews the more commonly used paper type of drywall joint tape. The paper joint tape, in general, has no adhesive of its own and is imbedded in joint compound.