DUC-BLOC PAN- 24" x 40" EXTRA LARGE RETURN PAN

Sierra Building Science, Inc.

$ 300.00


Will fit over return grilles up to 23” x 39” (outside dimensions).  Creates an airtight seal around return grille without taping.  Same two-part airtight foam gasket as regular pans.  Includes a protective travel cover and strap to protect the foam gasket during transport.  See it in use in the “Part 3 of 3 – How to Use Duc-Blocs. Requires two Zipwall poles, purchased separately.

Many older homes have 36” wide hallways.  If clearance in narrow hallways is an issue, you might want to consider the smaller 24” x 34” Large Return Pan. 

Duct tester collar (flange) and flex duct not included.

Shipping will be charged separately based on the size and weight of the replacement order



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