Starting at the furnace connect the various pipes by using the elbow joints working your way towards the chimney.
Painting roof furnace vent.
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There s no need to do the sides since they ll be hiding inside the hole.
These pipes can be easily painted to blend in with your roof color.
I used krylon satin finish spray paint in ivory.
I did 4 light coats with about 5 minutes of drying time in between.
Run the vent pipe up through the roof and install a metal or pvc flashing collar over it.
Gas furnaces usually come with their own specifications.
The vent pipe must overlap at each joint to prevent gas from leaking.
This is also often recommended for water heater or furnace vents if pvc material.
But they stick out like a sore thumb don t they.
Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl.
The easiest way is to do this is to use a good quality spray paint.
Your choice of colors unless the city or hoa has restrictions on what colors to use.
The paint helps protect the pipes from the suns uv rays.
Watch this video to l.
Adhere to them even if you are building the vent on your own.
Pvc and abs vents through roof exposed to sunlight should be protected by water base synthetic latex paints.