As I'm going over my roof and trying to keep it spiffy I notice that the
vent from the boiler (or flue?) has no cap on it nor do the neighbors'
Should I put a china-hat cap on the flue? Since I've had a leak I'd
like to cover everything I can, but I'm wondering if there is some good
reason not to cap it?
Birds will go there to stay warm, die from Co and fall in and it could
block the chimney. I had a racoon living in my fireplace chimney and
have pulled out 3 live birds, once 2 live pigeons, and many dead ones.
It doesn`t take much on some chimneys to block or reduce airflow
allowing a Co buildup inside fron reduced draw. Old chimneys can be
partialy blocked anyway from years of ofd deteriorating mortar. A cap to
keep out water with screen is needed. Water entering speeds up
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