Duct Board Insulation R Value

The r 0 87 value for the first value in this air r value table subsection.

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. Fiberglass insulation for most projects comes in batts and rolls with r values ranging from r 8 to r 49. Value maximum operating temperature limits ul 181 ulc s110 internal. 500 pa water vapor sorption astm c1104 3 by weight at 120 f 49 c 95 r h.

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. Can be cut to size as needed to create your own hvac fittings or trunk duct for your convenience. Ideal for hvac rectangular fabrication. Assemble using fiberglass weave and mastic or duct board approved hvac duct tape for ease of use.

R 7 5 scored squared edge rigid foam board insulation sheathing. Does not consider directions of heat flow up or down nor winter summer conditions. 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. Closed cell polystyrene spray foam 1 inch thick 6 5.

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. Does not consider presence absence of reflective barriers. Loose fill such as fiberglass cellulose mineral wool 8 23 inches thick 30 50. For most applications a rating of r 6 or better will provide the best efficiency and long term cost effectiveness.

10 shipped with e 3 pallet technology. Professional installers and diyers also can use blown in fiberglass insulation in an attic to achieve nearly any r value. Open cell polyurethane spray foam 3 5 inches thick 12 6. Insulated with an r value of 6 for good hot and cold retention.

Does not consider internal convection effects. Mechanical insulation pipe insulation pvc products and fittings. Hvac insulation duct board duct liner external duct insulation flexible duct insulation accessories the source insulation intel. Expanded polystyrene foam board 1 inch thick.