6-Inch Ceiling Support Box - Black Finish (Square) checklist-Estimated Lead Time 4-8 Weeks 7” thickness can be used

7” thickness can be used as structural insualting sheathing when applied to wood studs

These starter strips are black in colour

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6-Inch Ceiling Support Box - Black Finish (Square) checklist-Estimated Lead Time 4-8 Weeks 7” thickness can be usedThis 6 Inch Ceiling Support Box serves as the primary load bearing anchor for your chimney system. Capable of supporting up to 60 feet of vertical pipe, it creates a fire safe transition through flat or cathedral ceilings. The box features a matte black finish to match standard interior stove pipe, providing a professional, polished look while maintaining the required 2 inch clearance to combustibles.