Ease of cleaning them is exponentially greater than a slab vent.
Pvc dryer vent in slab.
Though i have not seen a pvc clothes dryer vent in the slab we do allow pvc pipe in the slab for fireplace air intake vents and pvc pipe for down draft cooktop vents.
The pvc runs from the laundry room to an outside wall of the slab and are most likely 8 12 feet long.
Interesting comments from all.
The dryer vent connection is just a pvc pipe running down into the slab and then in the front of our home there is a 90 degree pvc bend that spits out the exhaust and sometimes some lint.
For one pvc has a rather low maximum operating temperature.
Builders in this area are using 4 pvc pipe for a dryer vent before they pour the slab for the home.
Exhaust ducts for domestic clothes dryers shall be permitted to be constructed of schedule 40 pvc pipe provided that the installation complies with all of the following.
As a professional dryer vent cleaner we see many of these useless vents.
Pvc pipe is fantastic for many different applications and it is even sometimes used for duct and venting applications but there are a few reasons why pvc pipe is not a great choice for dryer vents.
This encases the pvc within the concrete floor.
Why not use pvc for your dryer vent.
Surprisingly the vertical vents work well.
Steel stainless steel or copper.
Irc 2006 m1503 2 duct material single wall ducts serving range hoods shall be constructed of gal.
All pvc pipe and fittings have a max operating.
Now i m not an expert but i m pretty sure that s not how dryer vents should work.