Johns Manville R-19 Kraft-Faced Fiberglass Roll Insulation, 48.96-sq ft (15-in W x 39.167-ft L) – Individual Pack, B240 GeoWood Bamboo ) 26 in Rough Opening

) 26 in Rough Opening Height (In

structural planks

Q: Is the cupola ready for a weathervane

20 Assembled Width (in

A: 1/4 in-18 NPS

Johns Manville R-19 Kraft-Faced Fiberglass Roll Insulation, 48.96-sq ft (15-in W x 39.167-ft L) – Individual Pack, B240 GeoWood Bamboo ) 26 in Rough OpeningR 19 Kraft Faced Fiberglass Roll Insulation, 15 in x 39. 167 ft Kraft faced, formaldehyde free fiberglass roll insulation designed for 2x6 wood stud walls and floors. Delivers R 19 thermal performance with built in vapor retarder to boost energy efficiency and sound control in long, unobstructed runs. Key Features: Built In Vapor Retarder: Kraft facing controls moisture in concealed wall and floor applications Energy & Sound Control: R 19 fiberglass