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Old 02-06-2018, 10:19 PM   #1
Ten Point
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Join Date: Jun 2008
Location: Orange, TX
Hunt In: Jasper & Orange County in TX, Carroll County in MS
Default Raising Garage floor question

Due to Harvey we are doing a complete make over on our house. One project is to raise the level of the garage to the same level
As the rest of the house. Right now there is a 10 difference leaving the house and entering the garage which hasnt been used to park cars in years and weve decided to enclose it in. What would
Be the best option to raise it to make it level with the rest of the slab? Ive heard I could bring in dirt/sand and raise it 6
Then pour a 4 slab, or pour a 4 slab then make a wood floor to bring it up. I think pouring a 24x24x10 thick slab will be way to costly.need opinions green screen! And Im open to other suggestions as well.
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Old 02-06-2018, 10:33 PM   #2
Eight Point
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Join Date: Apr 2015
Location: Portland, Tx
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Contact Mapei's technical department. They are very helpful.
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Old 02-06-2018, 10:41 PM   #3
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2x and lumber is the lowest cost. Negatives are the potential for more sound and bounce depending on how you install (spans and adhesives).

Concrete is simple and not expensive. No more than 3-5 yds or $300-500. Any 2000 mix will work. Lay down poly so the next owner has options with your garage.
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Old 02-06-2018, 10:41 PM   #4
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Location: Friendswood
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They have a product called "form fill" that they use at the chemical plants. Basically if they need to pour a slab and the grade is not sufficient they will pour this. It is portland, sand and no gravel. It is self leveling which will allow you to pour a slab on top. They also use this product to fill up holes, washed out pipes, etc..... I am not sure on the cost but it is an option.

I guess you could bring in select fill and compact it then pour. Make sure you put down a poly barrier.
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Old 02-06-2018, 11:02 PM   #5
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6" of foam, then pour a 4" slab on top. Foam is used to take up space on things like concrete steps inside of buildings, like stage stairs etc.
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Old 02-06-2018, 11:38 PM   #6
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Treated lumber and 5/4 decking.
Easy to remove if next buyer wants a garage
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Old 02-07-2018, 05:15 AM   #7
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Location: College Station
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My sub usually pours the front wall as a barrier, then comes back and packs dirt to fill most the void like mentioned. Then pours the 4" slab on top, which is tied onto the wall.

-in my case this is usally industrial settinga, 60"+ docks that are 30-60' square.

Last edited by calfroper_06; 02-07-2018 at 05:20 AM.
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