They must withstand a complete temperature range as well as damage from the sun wind branches or even hailstones.
Range venting through roof vs wall.
In either case do not vent into the wall or the attic.
You should also check the install instructions as there should be something in there about maximum length of ducting if you are considering going out the wall.
But first we should explain to you how it works.
For homeowners who prefer an inconspicuous vent a roof vent is a better choice.
You can buy the proper flashing to install it on a flat roof and a roof cap that has screen around it to prevent insects from entering.
As for the walls rainscreen compatible intake and exhaust vents are now available.
Range hoods are typically vented using a special duct work that runs through a roof and less often through an exterior wall of your house.
While this can be done through the ceiling and out through the roof it s best to go through an outside wall because there s less need for waterproofing.
This is the most budget friendly type and among the simplest to install.
It is considered a little more expensive to vent your range hood through the roof than through the wall.
Hi john yes you can vent a range hood through the roof using a 6 single wall pipe.
The duct work is usually concealed within the walls and it is really important to make everything air and water tight.
This is why you need to install the range hood vent properly or you call a roofing contractor.
The range hood vent uses ducts that are made to run in the roof or walls.
Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems.
Many times your choice depends on where your range is located.
If you decide to vent through the roof go all the way out to clear air through the roof and don t just vent it into the attic.
That length gets shorter the more bends you have in the vent piping.
The more things that you have sticking through the roof the more potential that you have for a leak.