Johns Manville R-11 Wall Unfaced Fiberglass Batt Insulation, 155-sq ft Coverage (15-in W x 93-in L), U1339S Asphalt Roofing With self-energizing controls for use

With self-energizing controls for use during power outages

44 lb) Frequently Asked Questions (FAQ):

The adjustable-speed closer and bottom sweep can be modified to fit uneven sills

100-watt max

Johns Manville R-11 Wall Unfaced Fiberglass Batt Insulation, 155-sq ft Coverage (15-in W x 93-in L), U1339S Asphalt Roofing With self-energizing controls for useR 11 Unfaced Fiberglass Wall Batt Insulation, 155 sq ft Formaldehyde free Johns Manville unfaced fiberglass batts deliver R 11 thermal performance and sound control for 2x4 wood stud walls. Precut 15 in x 93 in batts install easily and are ideal for improving energy efficiency in basements and interior walls. Key Features: Thermal & Acoustic Performance: R 11 batts reduce heat transfer and dampen sound in interior wall assemblies Easy Fit for 2x4