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Storm Shelter Leaks

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Forum topic by siemensgeek posted 08-30-2020 08:48 PM 274 views 0 times favorited 9 replies Add to Favorites Watch
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siemensgeek

48 posts in 91 days


08-30-2020 08:48 PM

I have a metal underground storm shelter that has developed pin-hole leaks in the wall and ceiling (roof?). I guess that’s what happens when you bury metal for 30+ years. I have been trying to find a coating that I could apply to the inside to seal it. Nearly everything I find on the internet is for concrete or masonry. I found one product for metal roofs, Liquid Rubber Waterproof Sealant. It is meant to go on the top side of a metal roof. Do you think it would work for an inside surface. Does anyone have another suggestion.

I’m trying to get the house in order to sell it so I can buy another house with room for a shop. If I can’t patch the storm shelter I’m thinking about cutting off the top and filling it with dirt.

-- Greg, Amarillo quote - 'Tis dangerous meddling with edge-tools. ~John Tatham, c.1652


9 replies so far

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rcs47

217 posts in 4012 days


#1 posted 08-30-2020 09:15 PM

Flex Seal – The guy makes a boat out of screen with the stuff, it must be good ;-)

-- Doug - As my Dad taught me, you're not a cabinet maker until you can hide your mistakes.

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LesB

2622 posts in 4326 days


#2 posted 08-30-2020 09:16 PM

If it is rusting through I would question its over all integrity. Besides leaking will ill is cave in on the new owner?

Just from a liability stand point I would fill it in or at a minimum let the new owner make the decision if they want you to fill it or let them deal with the situation.

-- Les B, Oregon

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MrUnix

8240 posts in 3082 days


#3 posted 08-30-2020 10:08 PM

POR-15 should work, but as Les mentioned, there is more going on than just a leak that probably needs to be addressed as well.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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CaptainKlutz

3722 posts in 2377 days


#4 posted 08-30-2020 10:43 PM

+1 Question the integrity.
Make note on sales contract of the age, let the inspector find the pinholes (if they even bother), and let new owner decide it’s fate.

IMHO – If you buried it galvanized metal structure 30 years ago, didn’t coat/seal outside and properly channel water away from exterior; then you are already past the life expectancy of 15 years for simple galvanized coated steel in ground contact.
If the outside was sealed and has proper drainage; then pin holes might be due interior condensation and interior sealing could extend the usable lifespan.
Reference: https://www.galvinfo.com/galvinfonotes/

Best Luck!

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

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sras

5594 posts in 4012 days


#5 posted 08-30-2020 11:31 PM

If the metal is rusting, sealing the inside won’t stop further deterioration.

Is the home more valuable with the shelter? Do most homes have one where you live?

-- Steve - Impatience is Expensive

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siemensgeek

48 posts in 91 days


#6 posted 08-30-2020 11:44 PM

I’m not the one that buried it. It came with the house when I bought it back in 1979 and the house was built in the late 50’s. Here in the Texas panhandle a storm shelter was a plus, now its a liability. I agree with the risk assessment you guy’s have made I think I would sleep better if it was gone. I don’t have what it would take to get rid of it so I guess I’ll start looking for a contractor to do it for me.

-- Greg, Amarillo quote - 'Tis dangerous meddling with edge-tools. ~John Tatham, c.1652

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corelz125

1597 posts in 1859 days


#7 posted 08-31-2020 01:10 AM

If you dont want to bury it you could also weld new metal in. Either patch over or cut out the rusted parts.

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siemensgeek

48 posts in 91 days


#8 posted 08-31-2020 02:08 AM

Steve
If it was in good shape it would be slightly more valuable but if it is structurally unsafe I think it’s time to scrap it.

-- Greg, Amarillo quote - 'Tis dangerous meddling with edge-tools. ~John Tatham, c.1652

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siemensgeek

48 posts in 91 days


#9 posted 09-25-2020 03:42 PM

Here is the ‘fix’ for my leaking storm shelter…
Uncover it, cut it off 2’ below grade and fill it with dirt. The contractor is coming today to fill it.

-- Greg, Amarillo quote - 'Tis dangerous meddling with edge-tools. ~John Tatham, c.1652

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