8-Inch Wall Thimble Kit with Finishing Collar (Through-Wall) checklist-Estimated Lead Time 6-8 Weeks Rockwool ComfortBatt R30: With an

Rockwool ComfortBatt R30: With an R-value of 30

500 square feet

Passes NFPA 286 Corner Burn Test for walls or ceilings only

Whether you’re lounging in the living room or working in the office

8-Inch Wall Thimble Kit with Finishing Collar (Through-Wall) checklist-Estimated Lead Time 6-8 Weeks Rockwool ComfortBatt R30: With anEnsure your 8 inch chimney system meets fire codes with this dedicated Wall Thimble Kit. Designed for "through the wall" installations, it shields wall studs from heat while preventing drafts. The kit comes complete with a matte black finishing collar, ensuring that the connection between your black stove pipe and the thimble looks seamless and polished.