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Flash This!

 
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Old 05-06-2010, 06:57 AM   #21
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Re: Flash This!


Quote:
Originally Posted by oldfrt View Post
What purpose does this calamity(parapet wall)serve?
Can it just be removed?
I bet its a sign or banner reather than a parapet
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Old 05-06-2010, 07:09 AM   #22
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Re: Flash This!


treat each one as if were a chimney 2 steps per side back pans, counterflashings...
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Old 05-06-2010, 11:49 AM   #23
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Re: Flash This!


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Originally Posted by TheToolMan View Post
treat each one as if were a chimney 2 steps per side back pans, counterflashings...

This is where I am planning on heading with this, however, all the flashing will be grace IWS.

The parapet wall it not a a sign/banner and removal is not an option. I was talking to the GC about it this morning and he said that when he bid the job to build it 10 years ago they claimed he was 200k over the next bid. Turns that "bidder" was the building owners brother in-law who came in "under budget" and ended up going under and out of business 3/4 of the way through the job. They turned to "my" GC and asked him to finish the job...he said No. 10 years later we are still dealing with the problem. He said he tried to get a roofer up there but the two guys he called drove by the building, never threw a ladder up to take a look and just said they were too busy...

Hence why he has no turned to the Trim/Punchlist guy to rig up a cheap fix....
When it fails, he won't be looking at me as long as he sees I gave it a solid shot with that I was told to work with...of this I am 100% sure and the ONLY reason why I am even going up there.....

....I will get photos tonights...

Last edited by TBFGhost; 05-06-2010 at 11:55 AM.
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Old 05-06-2010, 08:20 PM   #24
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Re: Flash This!


Don't do it! When it fails, and it will fail, you will be on the hook.

Get it in writing, video tape the meeting, and bring 5 witnesses, but start by calling your attorney and see what he says.

IWS will not last long in the sun.
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Old 05-06-2010, 08:37 PM   #25
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Re: Flash This!


I just had to do something similar on a flat roof deck with post that penetrated the roof. It still isn't a great fix but it will do. roofer put down a new rubber roof. Than he glued two layers of neoprene onto the roof and up onto the 4x4 posts. then used lap sealant on every single joint. I rabbited the 4x4's so I could drop composite post covers for railing system over the posts. you can't do that obviously. Even if you get a really good seal on everything, the post could technically still soak through and leak. I agree with other posters though. ice and water will not hold up in the sun. That is pretty much a lose lose job you are doing.
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Old 05-06-2010, 10:19 PM   #26
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Re: Flash This!


Oh yes, and Morning Wood mentions another issue that brings me to my next point... If the posts crack, you will likely be blamed for the ensuing leakage.
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Old 05-06-2010, 11:15 PM   #27
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Re: Flash This!


TBF,
You can't do that- IWS is not intended as an exposed flashing material for a roof penetrations. You want the stick membrane option,fine, then use the(SSMB) Self Stick Modified Bitumen- but to use IWS as an exposed flashing element is not a wise choice. At the very least- pull of 4 courses of shingles, flash it up the post as I explained earlier with the SSMB, use a term bar at the top and fasten with screws/rubber washer combo, and caulk with black seam caulk (epdm) application at the very top where the term bar/edge of SSMB and post meet. reinstall the shingles and your done.
IWS is not going to work and When it backfires - it's actually not a question of "if" , and when it does it is going to fall on your shoulders. prime example, when it gets cold out, I could walk up on that roof and literally rip your repair write off, it looses its bonding adhesion when the temperatures drop.
If you want a good repair ,do yourself and your reputation a favor- use the SSMB - It is similar to the IWS , but different chemical components are used in both and is designed for it's own applications in sealing penatrations in roofs.
Brian

Last edited by PrestigeR&D; 05-06-2010 at 11:20 PM.
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Old 05-06-2010, 11:52 PM   #28
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Re: Flash This!


Its done already. IWS with tar and more tar. It won't fall on me when it does fail and on further inspection today I don't even think it was the cause of the leaks. I cut open some of the tar that was on the base of the posts and found flashing. I lifted the shingles and found it to be flashed down the sheathing....I think the leak was come in between the doubled up 2x10 "girder". You could see right between the two 2x10s. So we flashed it again with the IWS as asked, tarred and then sealed up the joint between the 2x10s. Who ever did the job betfore us did seal the joint, but only directly above the posts...it would be very easy for water to enter a few inches to the left or right and work it way down. It is the only way I could see water entering....

I did what was asked of me....I will get the paycheck and when it fails a roofing company will be called in to correctly deal with the situation.... Had these been anyone else then the specific GC that asked me I would have told them no.

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Old 05-07-2010, 04:48 AM   #29
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Re: Flash This!


Hope that works out for you. You do realize that I&WS has an open time of 30 days before it starts to degrade from UV exposure, don't you? It's an underlayment, meant to be covered.
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Old 05-07-2010, 06:16 AM   #30
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Re: Flash This!


Talk to the GC and tell him to spend another few hundred on some aluminum coating to paint both the i&w and the roof cement.
It will still be a temp fix, but will hold up longer not being directly exposed to the weather.
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Old 05-07-2010, 08:37 AM   #31
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Re: Flash This!


Quote:
Originally Posted by Slyfox View Post
Talk to the GC and tell him to spend another few hundred on some aluminum coating to paint both the i&w and the roof cement.
It will still be a temp fix, but will hold up longer not being directly exposed to the weather.
Thanks. I will

I just got off the phone with the GC. He is very pleased that we were to able get it done. He is gonna stop by my job site today to pay me in a few hours. I sent him picture messages along the way last night, so he knows what was going on and we did what he wanted. Me and a guy started there at 6:30 and finished at 11:30 with about 1/2 hour wasted in breaks. So I think we made out okay...I made a decent wage, the GC got exactly what he wanted sooner then he expected it....thanks for all and any tips you guys gave.

IMHO I don't think the IWS will be doing a damn thing...I think the seam of the 2x10s is where the water was getting in....the IWS is more of an eye wash at this time.

Last edited by TBFGhost; 05-07-2010 at 09:06 AM.
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Old 05-07-2010, 12:51 PM   #32
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Re: Flash This!


Bummer. General Contractors always seem to think they know roofing. Most I have dealt with know little to nothing about installation, repair, maintenance, nor true cost of a real roofing company.
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Old 05-07-2010, 01:03 PM   #33
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Re: Flash This!


I would be nervous everytime it rained.
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Old 05-07-2010, 07:58 PM   #34
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Re: Flash This!


Quote:
Originally Posted by TheToolMan View Post
treat each one as if were a chimney 2 steps per side back pans, counterflashings...

I don't know how anything other than this could be used as an answer.
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Old 05-07-2010, 09:30 PM   #35
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Re: Flash This!


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I don't know how anything other than this could be used as an answer.
I like the Uncured flashing idea best.
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Old 05-08-2010, 12:44 AM   #36
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Re: Flash This!


Quote:
Originally Posted by AaronB. View Post
Bummer. General Contractors always seem to think they know roofing. Most I have dealt with know little to nothing about installation, repair, maintenance, nor true cost of a real roofing company.

AaronB, not knocking you or any other pro roofing contractors, but I could substitute "Roofing" for "General" in your response and not be very far off.
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Old 05-08-2010, 06:47 AM   #37
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Re: Flash This!


Quote:
Originally Posted by loneframer View Post
Is that a double 2x notched into the posts? Looks like you could have a situation where moisture is channelling along the 2x and finding a way in internally. Might wanna cap that as well.
Quote:
Originally Posted by TBFGhost View Post
I lifted the shingles and found it to be flashed down the sheathing....I think the leak was come in between the doubled up 2x10 "girder". You could see right between the two 2x10s. So we flashed it again with the IWS as asked, tarred and then sealed up the joint between the 2x10s. Who ever did the job betfore us did seal the joint, but only directly above the posts...it would be very easy for water to enter a few inches to the left or right and work it way down. It is the only way I could see water entering....

I thought that could be trouble.
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Old 05-08-2010, 08:42 AM   #38
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Re: Flash This!


It's raining right now...i think we are about to find out.
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Old 05-08-2010, 09:48 AM   #39
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Re: Flash This!


I think it is safe for me to speak for the others here that we have a request for you,
:loneframer,griz,AaronB,roofny,BamBamm5144,Slyfox, seeyou,Morning Wood,TheToolMan,oldfrt, and myself would like you to print this bottom seciton out in quates and hand it to that GC of yours :


"IWS IS NOT THE PROPER PROPER MATERIAL FOR EXPOSED PENATRATION<

>
>
>
>
>
>
>
>
>
FROM THE PROS OVER AT CT>

>> LOOK UP AT TBF,"

end print

NOW SLAP HIM REAL GOOD!!!!

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