Log in or register to create Field Kits and Sales Worksheets. Why register?

6.3 All supply and return ducts in unconditioned space, including connections to trunk ducts, are insulated to ≥ R-6

The following Solution Center guides provide specific guidance for supply and return ducts in unconditioned space:

Guide describing how to air seal and insulate flex ducts.

Guide describing how to air seal and insulate fiber board ducts.