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Rotted Qdeck

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[#1] Posted: 10/25/2010 - 11:07:10 AM
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The room under this garage, has one vent. The garage floor had nothing indicating a moisture, or structural problem. Could this be from lack of proper ventilation, or is there something else that could cause this? 1987

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Rotted Qdeck
[#2] Posted: 10/25/2010 - 12:30:26 PM
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Basements under garages are just plain dumb.

In the first pic, what are they doing with foil flex?

Tom

http://clearcreekhomeinspection.com/

Life is tough enough as it is, it's tougher when you're stupid. Don't do stupid things.
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Rotted Qdeck
[#3] Posted: 10/25/2010 - 12:43:59 PM
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Yep, dumb. Several years of salty ice falling off cars onto the garage floor, soaking into concrete, migrating to steel sheet, makes for a pretty rusty bunch of steel.

If you're going to do it, put down flexicor panels, pitched, install a roof membrane, then place concrete over "roof" and provide a drainage plane.


Kurt in Chicago

"If I smell it, it goes in the report".............Phillip Smith...2012


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Rotted Qdeck
[#4] Posted: 10/25/2010 - 1:09:57 PM
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Quote: Originally posted by kurt

Yep, dumb. Several years of salty ice falling off cars onto the garage floor, soaking into concrete, migrating to steel sheet, makes for a pretty rusty bunch of steel.




That makes sense, but shouldn't I have seen some sort of salt damage to the concrete floor?

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Rotted Qdeck
[#5] Posted: 10/25/2010 - 6:06:16 PM
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Based on the pattern of the rust, it looks to me as though water is seeping thru the control joint (or random crack -- I can't tell) visible in the last pic. When the I beam rusts seriously, it's gonna be a real problem...
Kevin

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Rotted Qdeck
[#6] Posted: 10/25/2010 - 7:44:35 PM
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Quote: Originally posted by gtblum



That makes sense, but shouldn't I have seen some sort of salt damage to the concrete floor?


Not necessarily. Properly mixed and placed concrete is remarkably resistant to salt damage. I think the "salt damage" so often described by concrete contractors is an excuse for their crappy mixes and a way to beat warrantee claims.

I've been dumping salt on my 50 year old sidewalks for 20 years, and there's no noticeable damage anywhere. Think about the tonnage of salt dumped on highways and roadways every winter; it's certainly not good for concrete, but if it was all that bad, the roads wouldn't hold up for more than a couple seasons.

A little salt on a garage floor isn't going to do all that much.



Kurt in Chicago

"If I smell it, it goes in the report".............Phillip Smith...2012


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Rotted Qdeck
[#7] Posted: 10/26/2010 - 05:00:04 AM
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Quote: Not necessarily. Properly mixed and placed concrete is remarkably resistant to salt damage. I think the "salt damage" so often described by concrete contractors is an excuse for their crappy mixes and a way to beat warrantee claims.


Concrete takes months, sometimes years, to fully cure. If you were to pour a new concrete driveway today it would be highly susceptible to salt damage this winter, the surface just wouldn't be cured enough to take it. Add in the fact that flat work guys are scrambling to beat the season and that driveway has less than a 50/50 chance of surviving this winter unscathed. That said, the wife batched out over 800 yards last Friday and Saturday. A good chunk of that was a driveway.

Tom

http://clearcreekhomeinspection.com/

Life is tough enough as it is, it's tougher when you're stupid. Don't do stupid things.
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Rotted Qdeck
[#8] Posted: 11/04/2010 - 12:30:29 AM
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Great post! It's very nice. Thank you so much for your post.

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Rotted Qdeck
[#9] Posted: 11/04/2010 - 03:33:35 AM
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Quote: Originally posted by Tom Raymond
That said, the wife batched out over 800 yards last Friday and Saturday. A good chunk of that was a driveway.


That sir, is one helluva driveway!!!

Darren
Succasunna NJ

New Jersey Home Inspections

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Rotted Qdeck
[#10] Posted: 11/04/2010 - 04:59:03 AM
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Well only about 150 or 200 yards went to the driveway but they aren't anywhere near done, this guy has more money than brains and has already poured close to half an acre of flat work. The rest was flow fill for a bridge project, and 300 yards for the floor of a manure lagoon, and they still had one truck running small batches. I don't know how it happened that way, but that is the closest the plant has come to running at capacity all year, shame it only lasted 2 days.
Tom

http://clearcreekhomeinspection.com/

Life is tough enough as it is, it's tougher when you're stupid. Don't do stupid things.
Dr Joe Lstiburek
   
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