Roof Exhaust Stack

Goose neck vent the master flow 4 in.

Roof exhaust stack.

It s made of zinc coated galvanized steel for durability and reliability. Exhaust fans pipe stacks specialty diverters. This vent is designed to be used on 4 in. Find vent pipe flashing at lowe s today.

Alternatively the effect of the screen can be minimized by installing a highly porous screen greater than 70 11. 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. A solid screen can decrease the effective stack height by as much as 80. Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation.

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. Concentrations on the roof and reduce the effective stack height as a result. Avoid a direct line of sight between exhaust stacks and air intakes. The master flow 4 in.