This galvanized steel joist lining by Imperial is used to create a run of rectangular duct between studs. This product is covered by a 1-year limited warranty.
- Used to seal the underside of the floor joist space to create a return-air duct
- The 16 inches width is equal to the distance of joist spacing, allowing the panning to be nailed or screwed directly into the wood
- Galvanized steel construction