Kraft Paper

30/30/30 Triple-ply asphalt laminated paper. Typically used under the mortar bed or backer board when setting tile around sinks, shower or basins. Moisture resistant. Meets federal specification UU-B-790A, type 1, grade B, stlye 1 A. Meets UBC standard 14-1. 36” x 167’ roll (500 sq ft)