Product Code: JM R20Batt -001

Johns Manville R20 Batt Insulation come in 15",19",23" and 24" widths. Made to fit into 2x6 construction. All Johns Manville Unfaced insulation products are made of naturally white, Formaldehyde-free™ fiber glass, lowering environmental concerns, including the risks of poor indoor air quality and the effects of manufacturing on the environment.