Venting Furnace Through Metal Roof

In many cases for existing homes this is the easier way to go.

Venting furnace through metal roof.

So which type of venting system should your furnace have. If there is no sub roof to support the metal roof consider installing slatted vents just under the eaves instead of on the roof. Should my furnace flue pipe go through the roof or the side of the house. The water will condense and drip into the insulation below and perhaps into the house.

In this video i cover installing a roof boot for a vent pipe in a metal roof. 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. Metal roofing works well with this because the metal is unaffected by heat not being able to pass through it and enter the attic. Should you vent a metal roof.

First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic. That depends on whether you have a standard efficiency or a high efficiency furnace. Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood. Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl.

That s because the combustion byproducts are in a gaseous form so the gases can float up through the flue pipe and out of your roof. The other option of course is a vented attic which requires an equal balance of intake and exhaust vents.