Roof Exhaust Stack

It s made of zinc coated galvanized steel for durability and reliability.

Roof exhaust stack. The master flow 4 in. Goose neck vent the master flow 4 in. Avoid a direct line of sight between exhaust stacks and air intakes. Alternatively the effect of the screen can be minimized by installing a highly porous screen greater than 70 11.

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. Exhaust fans pipe stacks specialty diverters. Air vent 1 500 cfm black galvanized steel electric power roof vent. Concentrations on the roof and reduce the effective stack height as a result.

This vent is designed to be used on 4 in. Find vent pipe flashing at lowe s today. 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. 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.