Duct Liner Insulation R Value

Jm offers this product as part of our commitment to providing a complete range of product solutions. Typically r 4 to r 8 is appropriate for the ducts within the insulated part of your home. The antimicrobial properties are intended to only protect this prodcut.

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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.

Duct liner insulation r value.

Toughgard r rotary duct liner offers outstanding thermal and acoustical performance in duct liner applications. 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 astm c1104 3 at 120 f 49 c 95 r h. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. 5 5 1 5 astm c1071 type i.

For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3. It provides acoustical and thermal performance for lined metal ducts. Because it never gets very cold in florida you don t need duct insulation with as high an r value as you would if you lived up north. For most applications a rating of r 6 or better will provide the best efficiency and long term cost effectiveness.

Composed of rotary type glass fibers it features a durable air stream surface with an antimicrobial agent and a sustainable base mat. Fungi resistance astm c1338 meets requirements fungi resistance astm g21 meets requirements. This product meets the needs of one segment of the market that prefers a textile fiber duct liner.