You ll need to same tools as the ones required for a roof vent.
Venting garage heater through metal roof.
Metal roofing works well with this because the metal is unaffected by heat not being able to pass through it and enter the attic.
With a few tools it is easy to vent a garage heater.
In many cases for existing homes this is the easier way to go.
In most cases manufacturers recommend that a professional.
Insert the 2 foot piece of 4 inch b vent pipe through the hole in the garage wall from the outside in.
Then connect the wires to the fan and screw the fan into the ceiling or side wall.
Connect the exhaust hose to the fan and then push it through the roof until the nozzle is entirely through.
Secure the hose to the outside of the roof with the installation brackets provided in a kit.
How to vent a garage heater.
You ll want your ductwork and the flange to be of the same size.
Typical vents are usually galvanized sheet metal ducts vented through the wall or vented through the roof with a flue.
I just built a garage with a metal gambrel roof.
Some people prefer this method since this option allows you to maintain the integrity of your roof.
Venting a garage heater through a wall the other solution to ventilating your garage when installing a gas heater is to run the vent duct through the wall of your garage.
The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.
Ladder the ladder is only useful when you want to vent the heater through holes in the roof of the garage.
Natural gas heaters for garages must vent exhaust gasses from the burners to the outside of the building.
Vent your bath and kitchen exhaust fans through the roof through a special roof hood.
The size of the duct you ll use depends on the size of the vent flange on the heater.
Should you vent a metal roof.
Typically the gases are vented from the heater to the outside of the garage with galvanized sheet metal duct.
Installing some type of ventilation mechanism on a metal roof is not a lot different from the addition of vents to any type of roof.
Whether you plan on installing the ducts through the roof or cut holes in the wall of your garage these will be very useful.
It can also be useful for wall mounts especially if these mounts are on the upper side of a tall garage.
Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
There are ductwork kits that can take some of the guesswork out of this job.
The other option of course is a vented attic which requires an equal balance of intake and exhaust vents.
