ROCKWOOL™ Rockboard 40 4x24x48, 40SF/BDL
$2.26 / SQUARE FT
ROCKWOOL™ Rockboard 40 is a semi-rigid, multi-purpose mineral wool insulation board. It acts as a barrier from noise and fire and is recommended for general purpose use as well as for mechanical rooms. This board insulation is water and moisture resistant and does not rot or promote mildew, fungi, or bacteria.