Roof Exhaust Stack

Single stack i e to add stack momentums together in dilution cal culations the stacks must be uncapped and nearly be touching the middle stack of the group.

Roof exhaust stack.

Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation. Air vent 1 500 cfm black galvanized steel electric power roof vent. Exhaust fans pipe stacks specialty diverters. Goose neck vent the master flow 4 in.

Alternatively the effect of the screen can be minimized by installing a highly porous screen greater than 70 11. Avoid a direct line of sight between exhaust stacks and air intakes. It s made of zinc coated galvanized steel for durability and reliability. The master flow 4 in.

Square to round covers are used when you have a round pipe stack penetrating through the roof which for metal roofs must transition through a roof curb or more conveniently through a roof curb system. Concentrations on the roof and reduce the effective stack height as a result. At rcs we begin our square to round transitional cover design with the. As shown in figure 1 stack height h s is measured from the roof level on which the exhaust stack is located to the top of the stack.