You must terminate your dryer vent outside the building according to section m1502 of the irc.
Dryer vent terminates in attic.
A dryer vent should be vented outside.
The international residential code allows you to run a dryer vent through the attic but you can t terminate it there.
Amy may 6 2010 at 10 01 am.
For more on dryer venting see our blog posts what is the maximum length for a clothes dryer vent.
Don t just blow the bath or kitchen vent exhaust into an attic nor even more crazy into.
The maximum developed length of a clothes dryer exhaust duct shall not exceed 35 feet from the dryer location to the wall or roof termination.
Dryer vents don t need cleaning.
Your dryer only has the power to push that heavy wet lint so far so it s inevitable that some of it is going remain behind in the vent pipe.
Horizontally through the building wall at a building gable end wall first choice or if the gable end is too distant terminate the bath vent down through a building soffit at the roof eaves.
Every couple of months i ve pulled the vent off.
Not all dryers will allow for this so be sure to check the owners manual to ensure it can be vented in this manner.
Send your questions to tom.
In these cases it may be necessary to vent your dryer through the attic.
The photo below shows an accumulation of dryer lint in an attic after years of the vent terminating in it.
I also have a dryer vented through the attic and out to the roof.
The maximum length of the duct shall be reduced 2 5 feet for each 45 degree 0 8 rad bend and 5 feet for each 90 degree 1 6 rad bend.
And what are the code requirements for an outdoor dryer vent cover.
Venting a dryer into an enclosed space is never a good idea.
Doing so would fill your attic with.
Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside.
This also means that you can t blow the dryer exhaust into the attic or the crawlspace.
Terminate the bath vent duct outside at gable end or eaves.