Improve energy efficiency and provide sound control with the Cathedral Ceiling collection by Johns Manville. Having a fully insulted home has many benefits, and using trusted brands like Johns Manville will help you and your home. Kraft Faced fiberglass batt insulation thermal and acoustic insulation offers R-values up to R-49 and controls moisture in exterior walls. These pre-cut batts make installing for both vertical and horizontal applications easy. Think of Johns Manville and the Cathedral Ceiling collection for your home when thinking of insulation.