| Sealing the drip rail using foil-backed butyl tape [message #316774] |
Sat, 29 April 2017 09:19  |
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RF_Burns
Messages: 2276
Registered: June 2008
Location: S. Ontario, Canada
Karma:
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Recently there was a post about removing the drip-rail along the edge of the roof to reseal it. The fasteners were just breaking and it seemed like a real mess to get into. I watch one of JimB's video and it didn't look like a fun job.
Anyway, at our tower sites we use all aluminum equipment shelters built for us by a commercial custom trailer manufacturer. The floors and corners are welded aluminum extrusions and the walls are aluminum sheets sandwiching foam insulation. They make great shelters, but the flat roofs started to leak after a couple of years. The seams were sealed with calking gun type of sealant. The manufacturer sent a guy out to all the sites a couple of times to reseal them, but they would leak again. On day at the lumber yard I saw a roll of foil-backed butyl roof sealant. The roll was about 6" wide and about 1/16" thick. I bought enough for one shelter to try and it was a success so we did them all and no problems since.
The stuff we used was too wide for the GMC gutter rail, but I went searching and found this 2" wide and 0.011" thick stuff. I'm thinking you would just cover along the top seam of the gutter with the roof, gravity will take care of the bottom seam. You should not really see it from ground level.
https://tinyurl.com/ldk36ma
Has anyone tried this stuff? or opinions? Says it is paintable and UV resistant. up to 200*F
Mine doesn't appear to be leaking, but it looks like a good option for those with issues.
Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that
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