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Ridge Roof Vent Questions Robert11 03-02-2007
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Posted by Robert11 on March 2, 2007, 8:02 pm


Hello:

Will be having a roofing job, and the roofer suggested a "ridge roof vent"
be added by him when he
does the new shingle installation.

Did a Google search on these things, but a bit confused how they work.

a. what keeps the rain out if the rain is driven horizontally by a strong
wind, which sometimes does happen ?
Wouldn't any "horiz" or near horiz. rain get right into the attic ?

b. Didn't see any mention of screens for these things. What keeps the bugs
and flies out ?

c. BTW: do they come in different materials ? If so, what would I want ?

All in all, a good idea in your opinions ?

(what's a typical or reasonable cost for a typical 40' or so length roof
line for the item and installation ?)

Thanks,
Bob



Posted by Joseph Meehan on March 2, 2007, 8:12 pm


Robert11 wrote:
> Hello:
> Will be having a roofing job, and the roofer suggested a "ridge roof
> vent" be added by him when he
> does the new shingle installation.
> Did a Google search on these things, but a bit confused how they work.
> a. what keeps the rain out if the rain is driven horizontally by a
> strong wind, which sometimes does happen ?
> Wouldn't any "horiz" or near horiz. rain get right into the attic

I don't know how, but the seem to stay dry even in strong driving rains.

> ?
> b. Didn't see any mention of screens for these things. What keeps
> the bugs and flies out ?

They all have a bug filter they construction. It is more like open
foam. It works.

> c. BTW: do they come in different materials ? If so, what would I
> want ?

As far as I know, yes, but as far as I have been able to determine they
all seem to work well.

> All in all, a good idea in your opinions ?

In my opinion, yes. I had it added to my roof when they re-roofed after
hail damage. No extra charge. Good deal and they did a good job. Well
actually there was a sort of extra charge. I told them they did not need to
replace the down spouts and gutters that were dented as the damage was minor
so they offered upgraded materials and venting.


> (what's a typical or reasonable cost for a typical 40' or so length
> roof line for the item and installation ?)

Nothing for mine :-)

> Thanks,
> Bob

--
Joseph Meehan

Dia 's Muire duit




Posted by mm on March 2, 2007, 8:57 pm


wrote:

>Hello:
>Will be having a roofing job, and the roofer suggested a "ridge roof vent"
>be added by him when he
>does the new shingle installation.
>Did a Google search on these things, but a bit confused how they work.
>a. what keeps the rain out if the rain is driven horizontally by a strong
>wind, which sometimes does happen ?
> Wouldn't any "horiz" or near horiz. rain get right into the attic ?

Maybe I don't get horizontal rain, but I also don't get any water in
the attic. The cross section is rather complicated, with a little
awning, I think.
>b. Didn't see any mention of screens for these things. What keeps the bugs
>and flies out ?

Don't know, but there aren't any.

>c. BTW: do they come in different materials ? If so, what would I want ?

Mine is black plastic and I think came in a roll. Others I think are
black plastic and come straight.

>All in all, a good idea in your opinions ?

Yes. There have been discussions about this, but I have a full
lenghth ridge vent and 2 full length soffitt vents and a
thermostatically controlled roof fan and I'm very happy.

>(what's a typical or reasonable cost for a typical 40' or so length roof
>line for the item and installation ?)

House was built with one. I was given a flat price for redoing
everything (plus a surcharge for any piece of plywood that needed
replacing. Oonly 1 did.)

>Thanks,
>Bob


Posted by HeyBub on March 2, 2007, 9:35 pm


Robert11 wrote:
> Hello:
> Will be having a roofing job, and the roofer suggested a "ridge roof
> vent" be added by him when he
> does the new shingle installation.
> Did a Google search on these things, but a bit confused how they work.

It's all magic. Don't strain on the issue. Just get it.

Somewhat connected is the maxim: You can't have too much soffit venting.



Posted by cavedweller on March 3, 2007, 9:01 am


> Robert11 wrote:
> > Hello:
> > Will be having a roofing job, and the roofer suggested a "ridge roof
> > vent" be added by him when he
> > does the new shingle installation.
> > Did a Google search on these things, but a bit confused how they work.
> It's all magic. Don't strain on the issue. Just get it.
> Somewhat connected is the maxim: You can't have too much soffit venting.

errr...on the ridge?

Recently had a friend report a ceiling leak cause by a recently
installed ridge vent that allowed driven snow to collect on the attic
floor and drip through the ceiling. Seems he's trying to find some
open cell foam or the like to install to prevent a repeat.


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