Duct Board Insulation R Value
Johns manville 800 series spin glas equipment and external duct insulation provides a broad range of solutions to meet your unique application needs the breadth and depth of our product availability includes plain fsk ap asj or ultra poly top faced board where the facing acts as a vapor retarder.
Duct board insulation r value. All ductboard features an antimicrobial black fiberglass mat finish and a fire resistant foil scrim kraft facing extending the full width of the male edge. For most applications a rating of r 6 or better will provide the best efficiency and long term cost effectiveness. 4 3 1 recycle content. Fiberglass insulation for most projects comes in batts and rolls with r values ranging from r 8 to r 49.
Ideal for hvac rectangular fabrication. Does not consider internal convection effects. Insulated with an r value of 6 for good hot and cold retention. 500 pa water vapor sorption astm c1104 3 by weight at 120 f 49 c 95 r h.
Open cell polyurethane spray foam 3 5 inches thick 12 6. 150 f 66 c maximum air velocity ul 181 ulc s110 erosion test 6 000 fpm 30 5 m s static pressure limit ul 181 ulc s110 2 in. R 7 5 scored squared edge rigid foam board insulation sheathing. Does not consider presence absence of reflective barriers.
Purchasing the ducting and the insulation separately is often more cost effective and has a greater variety of options when it comes time to choose the r value of your insulation. Hvac insulation duct board duct liner external duct insulation flexible duct insulation accessories the source insulation intel. Value maximum operating temperature limits ul 181 ulc s110 internal. 10 shipped with e 3 pallet technology.
Ul 181 class 1 rigid air duct listed. Owens corning foamular 150 1 1 2 in. Assemble using fiberglass weave and mastic or duct board approved hvac duct tape for ease of use. Mechanical insulation pipe insulation pvc products and fittings.
Expanded polystyrene foam board 1 inch thick. Does not consider directions of heat flow up or down nor winter summer conditions. Can be cut to size as needed to create your own hvac fittings or trunk duct for your convenience. Loose fill such as fiberglass cellulose mineral wool 8 23 inches thick 30 50.