The Gypsemna’s MOISTURE RESISTANCE SOUND PROTECT (MRSP- 15mm) Type X Gypsum Board is an interior gypsum board consisting of a solid set, moisture and fire-resistive, Type X gypsum core enclosed in GREEN-colored face paper and a strong liner back paper. Gypsemna’s MRSP Type X board features a specially formulated core providing moisture, acoustic and fire resistance ratings when used in tested assemblies. Long edges are slightly tapered, allowing joints to be reinforced and concealed with joint tape and joint compound. The face paper and the back paper are 100 percent recycled.