Roofers generally refer to these caps or terminations as roof jacks or specifically dryer jacks.
Roof termination for dryer vent.
Roof vents need to be selected carefully as there are vents for bathroom and range hoods that appear to be the same but include a screen and some do not include a damper.
Selkirk corp 244800 vertical termination cap 4 inch.
The new dryerjack is engineered specifically for dryers.
For medium snowfall zones and or higher profile roof tiles select the larger model 486 which is as efficient but taller.
At less than 5 1 2 above the roof plane it is also low profile for minimal visibility.
Until now however there were no roof terminations that met all of the stringent dryer venting requirements.
By code they are required to exhibit a built in damper and no screen or grill of any sort.
This also means that you can t blow the dryer exhaust into the attic or the crawlspace.
You must terminate your dryer vent outside the building according to section m1502 of the irc.
They meet or exceed all code requirements and.
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Shorter duct runs created by venting the dryer straight through the roof can improve drying efficiency and lessen lint buildup.