Run your dryer until no debris comes out of the outer vent making sure that the air flow is not restricted.
Outside dryer vent on roof.
The warm moist air inside the vent tends to.
Vent a dryer through the roof only as a last resort.
Vent dryers outside venting the dryer outside in cold weather wastes a lot of heat.
Dryerjacks are the first roof vents designed to meet the more stringent venting requirements of dryer exhaust systems.
But we don t recommend it for two reasons.
You can now replace the outer vent cover.
Cleaning lint buildup from roof vents is difficult and nesting birds and squirrels often find roof vent caps irresistible.
Connect your dryer to its power sources and turn it on.
To make the dyer more efficient you can buy an inexpensive heat diverter and install it in the exhaust duct of electric dryers only not gas dryers you ll save about 50 worth of heat per load in the winter.
The problem with attics the attic is usually colder than the rest of the house during the winter and that can create a problem for a dryer vent.
Check with your appliance dealer or local building inspector for recommendations about the best roof vent cap to use.