The radon guy is going to punch a hole in my roof for the radon exhaust
pipe. I am OK with this.
He told me he has a roof boot for the pipe that he can install from the
inside of the attic. He doesn't have to get on the roof to install it. I
have never heard of such a thing. I am really concerned something like this
would leak. Have you ever seen such a thing?? What is it called so I can
take a google? Thanks.
"The only roof flashing you install from INSIDE the building OVER
shingles or similar roofing materials which forms a weather tight seal
for vent pipe penetrations. Patented and proven, the Kollar utilizes
three independent gasket systems that are designed to work in
conjunction with each other to Keep out the elements and Keep You Off
*I* wouldn't pay $50. but if I was not inclined to do the job myself,
and a guy who I was paying $25-100 /hr wanted to use one & he was
going to guarantee no leaks for say a year--- then I'd think it was a
A year? What consolation is that when everything else on your roof has
a minimum of 20/30 years?
The thing is made for two types of people:
people that are afraid of heights
people that don't mind cutting corners
You can't fight water and win if you don't respect it. It wants to
flow downhill, let it. Don't put a dam in its way and expect water
not to get pissed off.
You also have to factor in some other things, like life expectancy,
how it affects reroofing, etc.
You're getting high prices for the vent flashing as you're probably
asking the contractor to just do the one item. What would normally be
a half hour job for someone already working on your house becomes a
2-4 hour job for someone having to make a special trip.
If you don't yet have a contract with the radon guy, I'd tell him that
you're going to get some more quotes as you don't want that type of
vent flashing. More than likely he'd bite the bullet and find his way
up on the roof. If not, I'm sure you could show another radon guy the
first guy's numbers and get the standard time-tested flashing for the
same overall price.
In RI (probably most places) you need to exhaust the radon to the outside
above the eaves. There is a pipe from the basement to the attic. From
there, it needs to get outside. Also, code doesn't allow a tie-in to a
plumbing vent stack.
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