DB-R4 – DUCTBOARD (4’X10′ – 1″)

Ductboard is a rigid fiberglass sheet with foil facing that you cut and fold to fabricate custom ductwork. If you’re building a new duct run, replacing damaged ductwork, or adding a supply branch, this is the raw material. R-4 insulation rating at 1″ thick — the standard for most residential applications.

Specs: 4′ x 10′ sheet, 1″ thick, R-4 insulation value, fiberglass with foil-scrim-kraft (FSK) facing

Replaces: 196441681, 441681, OC475SHEETQ, T0475

Fits: Universal — used to fabricate custom ductwork for any HVAC system

In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.

Cross-reference numbers

This part replaces the following OEM and aftermarket numbers:

• 196441681
• 441681
• DB-1
• DB-R4
• OC475SHEETQ
• T0475

Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.