8-Inch Ceiling Support Box - Black Finish (Square) checklist-Estimated Lead Time 6-8 Weeks its vapor-open characteristics and ASTM

its vapor-open characteristics and ASTM E84 Class A Flame / Smoke fire protection rating highlight its safety and effectiveness in promoting healthy indoor air quality and supporting resilient building assemblies

Preprinted nailing pattern and overlap lines to speed installation

and various cladding types including brick and metal panels

thereby extending the lifespan of your siding installation

it is also verified to provide homes with more comfort

8-Inch Ceiling Support Box - Black Finish (Square) checklist-Estimated Lead Time 6-8 Weeks its vapor-open characteristics and ASTMThis 8 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.