Quote:
Originally Posted by jswirs
In my case one definitely has to go up onto the roof to check for lint. After 6 years of not doing this I found handfuls of lint gathered / stuck to the inside and outside of the vent flap. The flap was held in the open position by all the lint. If it was held closed, we could have had a real problem.
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Correct, most homes have that "goose neck" type of vent on the roof that collects lots of lint. If you have a screen take it off because that will clog very quickly. There is really no way to clean the roof vent from the inside of the house because lint will accumulate on the top of the vent and as this person explained it could keep the flapper from opening fully which would be the worst case to happen because that could lead to a fire.