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Roofing Question #4476406
08/01/17 10:56 AM
08/01/17 10:56 AM
Joined: Nov 2011
Posts: 430
pennsylvania
GGorman04 Offline OP
GGorman04  Offline OP
Joined: Nov 2011
Posts: 430
pennsylvania
I have a leak in one area of my roof. A co-worker recommended FlexSeal tape.
They also have the spray on in a can.

Has anyone tried this or can give some advice on other options?
Thanks in advance

Re: Roofing Question [Re: GGorman04] #4476418
08/01/17 11:19 AM
08/01/17 11:19 AM
Joined: May 2009
Posts: 12,192
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline
Joined: May 2009
Posts: 12,192
N.H, U.S.A.
Oh come on. Mickey Mouse.

What kind of roof construction? and is the leak near a Gable end or dormer or Punch through?

I just spent 10's of thousands of dollars over the past decade to fix a BAD roof leak ( on my log cabin) only for ME to find ( not "expert" carpenters) a poorly sealed chimney liner at the cap.


2014 Nissan Rogue S CVT, OC#9 41392mi-QSUD10W30 + M110A CHAMP Filter; 2017 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter
Re: Roofing Question [Re: GGorman04] #4476426
08/01/17 11:25 AM
08/01/17 11:25 AM
Joined: Sep 2016
Posts: 1,418
Minnesota
bioburner Offline
bioburner  Offline
Joined: Sep 2016
Posts: 1,418
Minnesota
The stuff works very well for EDPM roofs on a lot of campers. I have resurfaced and repaired three camper roofs since February. I suspect you have a asphalt shingle roof though.
Most asphalt roofs with leaks are in my experience are from around vents and chimneys.



97 Ford E350 D,99 F350 dually D
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Re: Roofing Question [Re: GGorman04] #4476428
08/01/17 11:28 AM
08/01/17 11:28 AM
Joined: Sep 2007
Posts: 968
TX, USA
JMJNet Offline
JMJNet  Offline
Joined: Sep 2007
Posts: 968
TX, USA
Depends on where the leaks are?
Most of the time, all it needs is the roof caulk which is usually used under the flashing and to cover the exposed nails.

So you have to determine the source of the leaks.
In reality, somebody have to go up there on the roof and see what can be done.
I suggest to find a roofing professional if you are not comfortable going up on the roof.
The hospital bill of an accident will be more than the price you pay the pro to fix it.


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: Roofing Question [Re: GGorman04] #4476437
08/01/17 11:41 AM
08/01/17 11:41 AM
Joined: Dec 2009
Posts: 745
Battle Creek, MI
SVTCobra Offline
SVTCobra  Offline
Joined: Dec 2009
Posts: 745
Battle Creek, MI
One of my buddies use the Flex seal to temporarily patch his roof until he could get it fixed properly. Said it worked pretty well.


If marriage was outlawed only outlaws would have in-laws.
Re: Roofing Question [Re: GGorman04] #4476446
08/01/17 11:53 AM
08/01/17 11:53 AM
Joined: Jul 2005
Posts: 30,430
NY
demarpaint Offline
demarpaint  Offline
Joined: Jul 2005
Posts: 30,430
NY
For a quick fix it works, most of the time.........


God Bless Our Troops

Re: Roofing Question [Re: bioburner] #4476465
08/01/17 12:15 PM
08/01/17 12:15 PM
Joined: Dec 2016
Posts: 6,232
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,232
Waco, TX
Originally Posted By: bioburner
The stuff works very well for EDPM roofs on a lot of campers. I have resurfaced and repaired three camper roofs since February.


With which product?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Roofing Question [Re: GGorman04] #4476487
08/01/17 12:33 PM
08/01/17 12:33 PM
Joined: Aug 2003
Posts: 10,780
Buffalo, NY
JTK Offline
JTK  Offline
Joined: Aug 2003
Posts: 10,780
Buffalo, NY
Another area to consider is ridge vents. I recently troubleshot an odd leak in my sister-in-law's $700K, couple year old mansion. Nightmare roof. Tons of peaks, valleys, etc. It's coming in through a ridge vent. During certain driving wind and rain, it blows right in. I found where the previous owner (and builder) tried to band-aid this area of ridge vent by filling it with spray foam! SIL/BIL can afford to have it fixed right at some point.

Last edited by JTK; 08/01/17 12:34 PM.

2017 Ram 1500 4x4, 3.6L. 2016 Nissan Quest SV (Babe magnet IV)
Re: Roofing Question [Re: GGorman04] #4476529
08/01/17 01:29 PM
08/01/17 01:29 PM
Joined: Dec 2006
Posts: 2,767
Columbus, Ohio
John_K Offline
John_K  Offline
Joined: Dec 2006
Posts: 2,767
Columbus, Ohio
Originally Posted By: GGorman04
I have a leak in one area of my roof. A co-worker recommended FlexSeal tape.
They also have the spray on in a can.

Has anyone tried this or can give some advice on other options?
Thanks in advance


I used the spray for something that was somewhat protected from the weather. Wore off in 3 months. Carp in my book.


2009 Mercury Grand Marquis, 8 cyl auto, 82xxx miles, PU/Fram Ultra
2005 Hyundai Sonata, 4 cyl auto, 95xxx miles, Maxlife/OEM Filter
Current oil stash: 510 qts.


Re: Roofing Question [Re: GGorman04] #4476556
08/01/17 01:50 PM
08/01/17 01:50 PM
Joined: Nov 2011
Posts: 430
pennsylvania
GGorman04 Offline OP
GGorman04  Offline OP
Joined: Nov 2011
Posts: 430
pennsylvania
Thanks guys.
It is a rubber roof on my commercial building.
Would rather not get up on the roof myself

Re: Roofing Question [Re: GGorman04] #4476564
08/01/17 01:59 PM
08/01/17 01:59 PM
Joined: Sep 2015
Posts: 3,861
Connecticut
69GTX Offline
69GTX  Offline
Joined: Sep 2015
Posts: 3,861
Connecticut
Flex tape or any of the dozens of rubber roof repair kits using mesh/liquid sealant. Even with the Flex Tape I would still put a sealant around that as well.


----------------

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: Roofing Question [Re: GGorman04] #4476601
08/01/17 02:39 PM
08/01/17 02:39 PM
Joined: Feb 2015
Posts: 65
Hamburg Michigan
Elevguy Offline
Elevguy  Offline
Joined: Feb 2015
Posts: 65
Hamburg Michigan
There's a product called gayco elasticmetric https://gaco.com/product-details/gacoelastomeric/ made for flat rubber roofs

Re: Roofing Question [Re: GGorman04] #4476648
08/01/17 03:27 PM
08/01/17 03:27 PM
Joined: Jun 2015
Posts: 662
Arizona
Kawiguy454 Offline
Kawiguy454  Offline
Joined: Jun 2015
Posts: 662
Arizona
I was a hot tar roofer for 1.5 years and my dad for 30+. We always used a bucket of roof mastic and a roll of fiberglass fabric to seal the flashing's. The mastic is a tarry fibrous goop you apply with a small trowel. You can mash it over strips of the fabric to give it some strength covering over small voids. You can get it at home depot and it will last years if you do it right. That stuff in a can is TV-Junk.

Re: Roofing Question [Re: Linctex] #4476740
08/01/17 05:32 PM
08/01/17 05:32 PM
Joined: Sep 2016
Posts: 1,418
Minnesota
bioburner Offline
bioburner  Offline
Joined: Sep 2016
Posts: 1,418
Minnesota
Originally Posted By: Linctex
Originally Posted By: bioburner
The stuff works very well for EDPM roofs on a lot of campers. I have resurfaced and repaired three camper roofs since February.


With which product?

Cofair Products UBW425 Ultra bond, from Amazon but available from some home improvement stores, overpriced from camper supply.
The roof coating I used to recoat three roofs, Dehco 16-46128-4,rubber roof coating and came from 4Wheel online via Amazon $50/G

Last edited by bioburner; 08/01/17 05:35 PM.


97 Ford E350 D,99 F350 dually D
13 Scion Xb
12 Ford Transit Connect
06 Nissan Xterra
03 K1200 BMW
07 Kawasaki KLR650
13 Madass
Re: Roofing Question [Re: GGorman04] #4477254
08/02/17 09:36 AM
08/02/17 09:36 AM
Joined: Nov 2011
Posts: 430
pennsylvania
GGorman04 Offline OP
GGorman04  Offline OP
Joined: Nov 2011
Posts: 430
pennsylvania
Thanks guys for the help! It would make sense to buy a product made for a flat rubber roof.

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