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Old 08-26-2007, 10:46 PM   #1
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Crazy Garage Extension, Building over blacktop?!?!

Hello. I'm new to this site because I got this crazy idea and I'm wondering if it will work. I have a garage that is part of my house with the space above it being a large closet to our master bedroom upstairs. Out in front of the garage is a 50 x 50 foot area of relatively flat blacktop which leads to the street as our drive way. I was thinking about extending the garage to be able to park larger vehicles like RVs, etc. The existing garage right now is super high, at least 17-20" ceilings but with standard 7 feet garage door. The garage right now is a 3 car garage with a 2 car door and a 1 car door. The floor is standard concrete slab.

Is it crazy to build a huge garage extension over drive way blacktop? Would I have to cover it with concrete? would I have to tear up the backtop and pour a concrete foundation? I guess it would have to depend on how heavy my cars are...


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Old 08-27-2007, 05:48 AM   #2
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You would need to tear up the blacktop and install a proper foundation, and a proper concrete garage floor with the right code required slope. = $$


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Old 09-09-2007, 01:14 PM   #3
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50x50 blacktop!!!! OMG!!!

blacktop is not strong enough to hold structure. It will sink or sag.

Just curious: what do you want to put in the garage that a 3 car garage doesn't hold!

Idea: Plant grass or something; the area is HUGE!
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Old 09-10-2007, 08:37 AM   #4
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I'm pretty sure blacktop can't be enclosed either.

i.e. used as a garage floor.
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Old 09-13-2007, 11:09 AM   #5
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Just a dumb question

Will subdivision and city(if applies) 'setbacks' allow you to come closer to front ??? SOME say nothing in front of house. Do you have room for a driveway on side of house and another 'garage' in the back?? Some covenants dont allow those either,check twice, build once!!
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