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Old 05-07-2010, 02:43 PM   #1
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picking a qualified roofer for ShingleVentII


Just a joe home owner here. How can I select a local roofer (southern Delaware) that is competent in installing ShingleVent II ridgevent system after removing existing one from a 3 yr old house. Too many fly by nights in my area. What do I ask? Thanks for any help from a newbie.

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Old 05-07-2010, 02:51 PM   #2
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picking a qualified roofer for ShingleVentII


Download the specifications sheet for installation instructions and also several of the AirVent.com brochures and ask them questions to see if they are familiar with the Air Vents methods and Principle Of Attic Ventilation.

It really is not brain surgery, but they do need to be installed as close to the specifications as possible.

Anyone who is conscientious could read them and do the install, but far too many roofers and contractors have never read one single line of anything before, because they already know it all.

Ed

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Old 05-08-2010, 05:30 PM   #3
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because they already know it all.

Ed
I knew you were gonna say that.......
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Old 05-08-2010, 07:04 PM   #4
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picking a qualified roofer for ShingleVentII


The first thing to ask them is why did the existing 3 year old ridge vent fail.

Are you sure your existing ridge vent did fail?
Is it possible the ridge vent is performing properly but the Intake or Air flow is the problem?
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Old 05-08-2010, 07:08 PM   #5
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picking a qualified roofer for ShingleVentII


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The first thing to ask them is why did the existing 3 year old ridge vent fail.

Are you sure your existing ridge vent did fail?
Is it possible the ridge vent is performing properly but the Intake or Air flow is the problem?
I wonder if maybe it leaked or let snow in. I've had to replace some that didn't keep fine snow out too well.
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Old 05-08-2010, 08:06 PM   #6
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I wonder if maybe it leaked or let snow in. I've had to replace some that didn't keep fine snow out too well.
That's why i brought it up, I have done several inspections and found the existing problems are repairable as well rather than needing to be completely replaced.

Installing ridge vent is like changing a tire, not a hole lot of rocket science knowledge going on there and more often than not "in my experiences" it's a simple matter of incorrect fastening of the product 'vent itself and cap covering it' that causes the issues.
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Old 05-08-2010, 08:31 PM   #7
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Like Sly said, the proper length of nails may not have been used, creating a gap in the compression seal down to the shingle material surface.

Photos courtesy of Gerry of GAK Roofing, taken during one of his inspections.

I just had to get a copy of these for my folder.

This case is extreme, but also very typical.

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picking a qualified roofer for ShingleVentII-ridge-overview-100_2086-resized.jpg   picking a qualified roofer for ShingleVentII-close-up-nail-pops-through-shinge-caps-100_2088-resized.jpg   picking a qualified roofer for ShingleVentII-lengthier-look-ridge-cap-nail-pops-100_2089-resized.jpg  
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Old 05-08-2010, 09:30 PM   #8
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Originally Posted by Ed the Roofer View Post
Like Sly said, the proper length of nails may not have been used, creating a gap in the compression seal down to the shingle material surface.

Photos courtesy of Gerry of GAK Roofing, taken during one of his inspections.

I just had to get a copy of these for my folder.

This case is extreme, but also very typical.

Ed
LOL, that's pretty bad Ed, I'm not sure I have ever seen one that bad and I do a lot of repairs & inspections.

Are my eyes deceiving me or is the back pan on that chimney over top the shingles?
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Old 05-09-2010, 06:12 AM   #9
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Are my eyes deceiving me or is the back pan on that chimney over top the shingles?
Looks like they wrapped the base of the chase with a 2x4. We use a detail similar to that which allows the base flashing to be replaced when re-roofing without disturbing the peel & stick stone.
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Old 05-10-2010, 03:07 PM   #10
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Sly, those are photos from an inspection that Gerry, (GAK), did not too long ago.

My eyes see the same thing as yours do.

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Old 05-11-2010, 07:49 AM   #11
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Quote:
Originally Posted by Slyfox View Post
The first thing to ask them is why did the existing 3 year old ridge vent fail.

Are you sure your existing ridge vent did fail?
Is it possible the ridge vent is performing properly but the Intake or Air flow is the problem?
yes. It was totally flattened when bundles of shingles were thrown on top of it. You can light an inscence stick or candle up there and no smoke at all goes upwards. It hits 145 up there in summer.
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Old 05-11-2010, 09:55 AM   #12
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picking a qualified roofer for ShingleVentII


Good photos Ed (Gary) of what not to do. That's what happens when you pull off the ridge shingles and reinstall same ones over vent...you get nail holes which could leak. You can't see it from the ground as much, so some take short-cuts and get away with it unless homeowner will get up and inspect. Should either buy new ridge shingles or use the 3 tabs.

I'm curious, what manufacturer of ridge vent is under there? I like the low profile and might have that installed if the HOA denies shinglevent II.

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Old 05-11-2010, 04:36 PM   #13
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picking a qualified roofer for ShingleVentII


I have never seen it like that with the ridgecap. Interesting.

And - My eyes are younger than your guys and I see the same thing you do about the chimney flashing. Hmmm.

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