RACO Duct Sealing Compound is an asbestos free, non-toxic general sealing compound for use in indoor or outdoor applications. Common uses include sealing around electrical boxes, flashings and mast service entries. It is permanently soft and will adhere to most clean dry surfaces.
- Non-corrosive, safe for metals and plastics
- Non-irritant to skin
- Paintable
- Recommended temperature usage range: 25˚F to plus 120˚F
- Temperature tolerance range: minus 30˚F to plus 175˚F
- Not slump at plus 275˚F
- cULus Listed













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