DuraVent DuraVent 18" Inner Diameter - DuraTech Class A Chimney Pipe - Double Wall - Roof Radiation Shield

DuraTech Collection 18" to 24" Class A Chimney Pipe Roof Radiation ShieldWarranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. The DuraTech 18" to 24" Class A Chimney Pipe Roof Radiation Shield is required at top of chase enclosure or where chimney passes through the roof. Not required if chimney is unenclosed in the attic. Four plates (included) make up one shield.Features:Length: 22-1/2"Height: 7-1/8"Not Required if Ch...