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Old 07-14-2010, 05:46 AM   #31
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skylight and roof replacement and i and w shield


Thanks, again. We have soffit vents and I do have a ridge vent. Neighbor doesn't know if she wants a ridge vent. Presently she doesn't have one, whereas I do.
George

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Old 07-14-2010, 06:26 AM   #32
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Originally Posted by the roofing god View Post
Before ice and water shield ,fwlt was folded up the wall,or onto the skylight frame to prevent wind driven rain and ice backup at those areas as they are a source of major heat loss,which can also cause a buildup of ice at those areas,which can enter thru the flashings in those situations,
Just becAUSE A ROOFER GUARANTEES IT DOESN`T MEAN A THING,HOW LONG DO Want to deal with problems from a substandard installation ????

And yes the velux installation technique calls for fitting the ice and water shield around the curb of the skylight prior to installing the flashing kit.

1 things for sure :If you want a manufacturer to stand behind their product,you have to do the install according to their specifications.
you can find the relevant information at www.velux.com


John...a installer standing behing his work IS what this is all about

ice and water or not
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Old 07-14-2010, 07:23 AM   #33
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Doesn't matter if I&WS is a newby thing or not (I totally agree that it's over used and I never depend on it after the roof is finished - I do use the hell out of it when re-roofing for temporary protection) because Velux requires it. See the pic below from the ECM installation manual. They ship it with their flashing kits. The 1st guy is wrong and is reveling in being wrong. It may not be necessary, but it's required per manufacturer's instructions. End of story. And as has been mentioned several times in this thread, the flashing needs to be isolated because of potential condensation problems. I've had to re-install several skylights due to this problem.
Point taken and I understand what you are saying........

I just get tired of these young punk salesman selling roofs on, (haha) right out sales pitches....and I AM a young punk myself. My point was that, we have all been installing these for years, and installing roofs without synthetic underlayments....and not any problems.

Contractors should be chosen by their track record, not because of using the latest and greatest products to sell their company. I'm only 31 years old and have already seen plenty of "latest and greatest" supplies turn out to be garbage.
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Old 07-14-2010, 07:46 AM   #34
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Point taken and I understand what you are saying........

I just get tired of these young punk salesman selling roofs on, (haha) right out sales pitches....and I AM a young punk myself. My point was that, we have all been installing these for years, and installing roofs without synthetic underlayments....and not any problems.

Contractors should be chosen by their track record, not because of using the latest and greatest products to sell their company. I'm only 31 years old and have already seen plenty of "latest and greatest" supplies turn out to be garbage.
And contractors owe it to their customers to stay on top of advanced products and practices. Contractor #1 learned everything he's ever gonna know 20 years ago. It's a continuing process.

I use the synthetics (and have been for almost 10 years now) because they're less expensive than felt for my purposes. I mostly do copper roofs and consequently have a longer open time than a shingler. #15 felt is not an option to me, although it does have it's place. I'm getting ready to tear into a 10-15 year old terne roof to re-work the skylight flashing because they have condensation issues. $2500 to fix a problem $10 worth of I&WS would have prevented. If the original installer had followed the instructions that came in the box, the customer would be a lot happier.
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Old 07-14-2010, 09:48 AM   #35
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thing is we can use everything thats recomended but as we all know roofs can still leak... as improbable as it seems
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Old 07-14-2010, 12:27 PM   #36
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John...a installer standing behing his work IS what this is all about

ice and water or not
And my point is why open it up to having problems in the 1st place,roofers cover the exterior fix,and usually leave the interior to the homeowners insurance ,,It`s alright to do the job not to the mfgrs specs ???,as long as they cover their work???,meaning don`t worry how many times your ceiling needs repair or painting because he meant well???? , And You have the time to spend having people working on your home when it shouldn`t be necessary ???---whether you back up the flashings with paper or ice and water shield,it`s a necessity.

The details are the most important part of the job ,and should be treated properly--------
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Old 07-14-2010, 01:37 PM   #37
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whatever
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Old 07-16-2010, 07:17 AM   #38
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I think I said we chose #2, He was the younger person-not a pushy salesman. One of 3 sons who run the company with their father. BTW, they are not a new company. They've been in business for 35 years. He did not try to push anything on me. This is just the product they have been using. If anything the old timer, #1, who now runs the office for the 2 owners was the cocky, "don't tell me", pushy type of salesman. Although he was very nice to speak to.
George


hopefully the above came out. My place is on the right and neighbor on the left. She wants to know if she should invest and get a ridge vent> I already have one. We are talking about the single story adjoining family room additiions.

Last edited by geoss; 07-16-2010 at 09:25 AM. Reason: add new attachment
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Old 07-18-2010, 07:07 PM   #39
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just asking on an opinion on whether neighbor on the left should get a ridge vent for the extension family room while we are having the roofs replaced(apprx. slightly under $200) Is it worth it for her???
Thanks
George
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Old 07-18-2010, 07:23 PM   #40
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Does she have soffit venting & rafter vents in place already ?
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Old 07-20-2010, 02:55 PM   #41
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she has the same as I do. Those aluminum little holey things under the soffit-on both sides of the "A" and along the one side
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Old 07-20-2010, 03:35 PM   #42
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[quote=seeyou;469297]And contractors owe it to their customers to stay on top of advanced products and practices.quote]

I agree, but at what point do you “you” decide a product is advanced. When a sales rep. tells you?

I’m just curious.

I’ve been burned by new advanced products before.

Just because something’s new doesn’t mean that the old dogs time tested method is no longer acceptable IMO.
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Old 07-20-2010, 06:24 PM   #43
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[quote=kwikfishron;472487]
Quote:
Originally Posted by seeyou View Post
And contractors owe it to their customers to stay on top of advanced products and practices.quote]

I agree, but at what point do you “you” decide a product is advanced. When a sales rep. tells you?

I’m just curious.

I’ve been burned by new advanced products before.

Just because something’s new doesn’t mean that the old dogs time tested method is no longer acceptable IMO.

Good point. I guess a better description would be "proven" products and practices. It's been proven that Tyvek cuts down air infiltration when applied properly. But I've witnessed that raw cedar installed over it degrades it rather quickly. So, installing Tyvek under cementitious siding might be an improvement over felt, but felt would be the preferred underlayment under cedar.

My personal house is pretty much a test lab. I try lots of products before I sell/install them. Everything has it's boundaries and limitations and the sales reps seem to not be aware of them. I do let them buy me lunch from time to time, though.

And just because some old fart has been doing something a certain way for 100 years doesn't necessarily mean it's the best way. I change my practices constantly.

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