Leaking Metal Roof
Printed From: Unofficial Allis
Category: Other Topics
Forum Name: Shops, Barns, Varmints, and Trucks
Forum Description: anything you want to talk about except politics
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=206847
Printed Date: 29 May 2025 at 12:44am Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Leaking Metal Roof
Posted By: Coke-in-MN
Subject: Leaking Metal Roof
Date Posted: 23 May 2025 at 3:02pm
After hail last year got the house roof replaces but no back and forth with contractor as 3 sky-lites ( lite tubes ) were also damaged which now are not made anymore . So Insurance turned down pole shed roofs as they say hair is cosmetic and they do not cover that or wear and tear to metal roofs . Hail strikes are over 10 in a measured area of sq ft . What happened is rebound from hail strike caused nail fasteners to pull out of purlins so have many areas where lead washer galvanized ring nails are 1/2 to 3/4 inches above sheeting. Now to figure what is next to try to do . Fight insurance or find another solution . Asked insurance adjuster about water damage to interior , was told I should do something to stop it from occurring - it's my responsibility to secure roof .
------------- Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something. "Challenges are what make life interesting; overcoming them is what makes life meaningful."
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Replies:
Posted By: steve(ill)
Date Posted: 23 May 2025 at 4:10pm
Nails always PULL.. Should never be used.. Pull them out one at a time and install SCREWS with the rubber washer.. If you dont mind the hail dimples... No need to change the tin..
------------- Like them all, but love the "B"s.
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Posted By: DanWi
Date Posted: 23 May 2025 at 6:03pm
Had the son in law walk the roof of our 30 year old 60x100 pole shed 2 years ago after noticing some loose nails. He replaced about 50 that day. On older sheds a guy should check that every so many years as maintenance.
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Posted By: DMiller
Date Posted: 23 May 2025 at 6:24pm
Have to watch screws as well, were our roof transitions the Valley pan will deflect from heat and cool, actually Unscrewed several, had to get on the roof and reset.
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Posted By: DaveKamp
Date Posted: 28 May 2025 at 8:14am
There's a considerable amount of thermal expansion that occurs on metal roofing- they'll not only pull, they'll stretch the holes out... then they drip... 
------------- Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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Posted By: Ray54
Date Posted: 28 May 2025 at 11:13am
The joy of a nailed on tin roof. The old barn here was built in the 1880's ( best guess of my ancestors ). In the 1930's a new tin roof was put on it. The 1 x 4's the shingles had been nailed to where all reused. Since the 1970's I had the privilege to go hammer nails down. In the 1990's we started replacing nails with screws. But in the last 10 years the zinc has left all is rusted. My days of climbing on roofs is over.
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Posted By: Coke-in-MN
Date Posted: 28 May 2025 at 9:46pm
About 15 years back I had roofs sprayed with a asphalt / aluminum paint product and it kept in from dripping . Now that has worn off along with nail pop . A year after it was built found some leaks and guy working for me coated each nail and any spots that were leaks with silicone sealer , problem came when roof was sprayed the silicone caused the coating to not stick on it . Put the building up in 1975 and was going to just be dry out building , then bought some more trucks and dozer so concrete floor added , along with heat and insulation .
------------- Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something. "Challenges are what make life interesting; overcoming them is what makes life meaningful."
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