Duct Liner Insulation R Value

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

Duct liner insulation r value.

It provides acoustical and thermal performance for lined metal ducts. For most applications a rating of r 6 or better will provide the best efficiency and long term cost effectiveness. This product meets the needs of one segment of the market that prefers a textile fiber duct liner. 5 5 1 5 astm c1071 type i.

Typically r 4 to r 8 is appropriate for the ducts within the insulated part of your home. 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. Fungi resistance astm c1338 meets requirements fungi resistance astm g21 meets requirements. 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.

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. 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.