Roof Exhaust Stack

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.

Roof exhaust stack.

A solid screen can decrease the effective stack height by as much as 80. 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. This vent is designed to be used on 4 in. Avoid a direct line of sight between exhaust stacks and air intakes.

Goose neck vent the master flow 4 in. Exhaust fans pipe stacks specialty diverters. Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation. The master flow 4 in.

Find vent pipe flashing at lowe s today. 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. At rcs we begin our square to round transitional cover design with the. It s made of zinc coated galvanized steel for durability and reliability.