Insulation Materials We Stock 22-1/2" x 48" Owens-Corning Attic Mate Rafter Vent Baffle IS16 Simpson Insulation Support, 100pcs IS24 Simpson Insulation Support, 100pcs D-KZ-470 Kanzawa Insulation Cutter, 6.3", 170mm R-13 23" Knauf EcoBatt Kraft Faced Insulation Batts R-13E 15" Johns Manville Kraft Encapsulated Insulation R-15 15" Knauf EcoBatt Kraft Faced High Density Insulation Batts R-19 24" UltraTouch Cotton Insulation R-21 24" UltraTouch Cotton Insulation R-30 16" UltraTouch Cotton Insulation R-30 24" UltraTouch Cotton Insulation Rock Wool 16" Safe N Sound Insulation Insulation Netting