Relief and intake gooseneck detail.
Roof exhaust fan installation detail.
They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling.
If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it.
6 roof mounted exhaust fan accessories.
Restraining method for mechanical joint valve.
A grease pipe is usually positioned towards the roof slope to provide single point drainage of water and residue.
Rectangular transitions offsets and elbows.
First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.
Some means for collection such as an exhaust fan grease box must be provided.
Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood.
Radial roof exhaust fan detail.
Our prefabricated roof curbs reduce installation time and costs by ensuring compatibility between the fan curb and roof opening.
They are typically easier to install and won t detract from the appearance of your roof.
Models gps gpr for non grease exhaust applications on non insulated flat roof decks.
Sanitary floor drain detail.