Originally Posted by johnjh2o
What size vent pipe do you have. In cold climates the vent line should be increased to at least 3" one foot above and below the roof.
some frost partials will till appear in the vent but when a fixture is used the heat from the sewer gas should melt it.
It is 3" and yeah, maybe a foot above the roof. The problem is, for a week we have had sub zero HIGH temps. The vent doesn't freeze unless we have 2-3 straight days of constant subzero temps. Well, here we are into the second week of December with a few more months to go.
I'm just tired of climbing a sloped roof with 3" of snow on it.