Duct Liner R Value

For most applications a rating of r 6 or better will provide the best efficiency and long term cost effectiveness.

Duct liner r value.

R value year year wvt wvt thermal k permeability perm in 01 10 1 00 r value start 4 2 4 2 4 2 r value 10 years 4 12 3 15 0 55 6. Thickness recommendations to control condensation sheet r values k flexduct liner r 6 and r 8 black in thickness noted within the specified temperature ranges will prevent condensation under design conditions defined below k flex duct liner r 6 and r 8 are not available in all thicknesses listed. An r value tells you how well a type of insulation can keep heat from leaving or entering your home. Composed of rotary type glass fibers it features a durable air stream surface with an antimicrobial agent and a sustainable base mat.

Duct liner application considerations a key design objective of modern residential commercial and industrial facilities is to incorporate a concern for energy consumption. F w m2 c h ft 2 f btu m2 c in. Mm w 1 5 1 25 0 24 0 033 0 24 1 32 4 2 0 74. 0 85 r6 r value.

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. Johns manville linacoustic r 300 is a rigid fiberglass board that is specifically designed for lining hvac plenums and air distribution ductwork and meets or exceeds all astm c 1071 type ii duct liner requirements. Value operating temperature astm c411 250 f 121 c maximum air velocity ul 181 erosion test astm c1071 6 000 fpm 30 5 m sec water vapor sorption by weight. This ensures consistently high performance and easy processing on a wide range of duct fabrication equipment.

Linacoustic r 300 s airstream surface is coated with our proprietary permacote coating which provides a durable and smooth surface that is resistant to the accumulation of. Building occupants benefit from less unwanted noise and more consistent temperatures for improved comfort. Toughgard r duct liner fabricated duct systems must be kept clean and dry from the point of. Product k value c value r value type thickness btu in h ft.

Toughgard r rotary duct liner offers outstanding thermal and acoustical performance in duct liner applications. When wet coated surfaces of quietr duct liner board in contact with galvanized steel may cause discoloration of the sheet metal. 2 f w m c btu h ft. Insulation r values vary based on the type thickness and density of the insulation material.

When wet coated surfaces of quietr rotary duct liner in contact with galvanized steel may cause discoloration of the sheet metal. Iaq control mold resistance. 6 3 1 5 astm c1071 type i.