Duct Liner R Value

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.

Duct liner r value.

An r value tells you how well a type of insulation can keep heat from leaving or entering your home. Typically a higher insulation r rating means better climate control and better energy efficiency for your home. Building occupants benefit from less unwanted noise and more consistent temperatures for improved comfort. 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.

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. This ensures consistently high performance and easy processing on a wide range of duct fabrication equipment. 6 3 1 5 astm c1071 type i.

Mm w 1 5 1 25 0 24 0 033 0 24 1 32 4 2 0 74. 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. The antimicrobial properties are intended to only protect this prodcut.

Toughgard r rotary duct liner offers outstanding thermal and acoustical performance in duct liner applications. The surface burning characteristics of these products have been determined in accordance with ul 723 astm e 84 nfpa 255 and can ulc s102. 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. F w m2 c h ft 2 f btu m2 c in.

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. Toughgard r duct liner fabricated duct systems must be kept clean and dry from the point of. 0 85 r6 r value. Insulation r values vary based on the type thickness and density of the insulation material.

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. Composed of rotary type glass fibers it features a durable air stream surface with an antimicrobial agent and a sustainable base mat. 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.