Open cell polyurethane spray foam 3 5 inches thick 12 6.
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.
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.
4 3 1 recycle content.
R 7 5 scored squared edge rigid foam board insulation sheathing.
For most applications a rating of r 6 or better will provide the best efficiency and long term cost effectiveness.
The r 0 87 value for the first value in this air r value table subsection.
Assemble using fiberglass weave and mastic or duct board approved hvac duct tape for ease of use.
Loose fill such as fiberglass cellulose mineral wool 8 23 inches thick 30 50.
Expanded polystyrene foam board 1 inch thick.
Ul 181 class 1 rigid air duct listed.
Fiberglass insulation for most projects comes in batts and rolls with r values ranging from r 8 to r 49.
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.
Owens corning foamular 150 1 1 2 in.
500 pa water vapor sorption astm c1104 3 by weight at 120 f 49 c 95 r h.
Value maximum operating temperature limits ul 181 ulc s110 internal.
Ideal for hvac rectangular fabrication.
Does not consider internal convection effects.
Closed cell polystyrene spray foam 1 inch thick 6 5.
Hvac insulation duct board duct liner external duct insulation flexible duct insulation accessories the source insulation intel.
Does not consider directions of heat flow up or down nor winter summer conditions.
Insulated with an r value of 6 for good hot and cold retention.
Mechanical insulation pipe insulation pvc products and fittings.
Professional installers and diyers also can use blown in fiberglass insulation in an attic to achieve nearly any r value.
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.
