Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Building & Construction

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 08-17-2009, 10:37 PM   #1
Newbie
 
Join Date: Aug 2009
Posts: 17
Rewards Points: 10
Default

adding a 2nd story to an existing garage


I have a
2 car garage on a floating slab
2x4 construction
the roof / trusses is a gable roof... not real steep..
the garage is a standard looking garage that you see all over

My question is, can I make this a 2 story so I can have storage or living quarters on the top level..

2nd question is can I make this 2x4 contruction into a 2x6 contruction?

and where can I get some information and plans on how to do it?

Thanks.. I am a novice carpenter!

chrissygarden is offline   Reply With Quote
Old 08-17-2009, 10:46 PM   #2
Member
 
Join Date: Jan 2009
Location: South of Boston, MA
Posts: 17,248
Rewards Points: 2,000
Default

adding a 2nd story to an existing garage


Can it be done - Yes
Are you planning on doing it?
You will not find exact plans/instructions, you would need to either draw them up yourself or hire someone

Is it 1 garage door - big, or two?
Why do you want to change the 2x4 garage into 2x6?
Or do you want to just have 2x6 on the 2nd floor - more insulation?

Rip the roof off
Put a new floor across
Build new walls
Build roof
Finish as needed

Scuba_Dave is offline   Reply With Quote
Old 08-17-2009, 11:26 PM   #3
Newbie
 
Join Date: Aug 2009
Posts: 17
Rewards Points: 10
Default

adding a 2nd story to an existing garage


There is 2 garage doors...

I wanted it 2x6 construction to add insulation and I thought I may need more support for the 2nd level..

I live in Wisconsin, so I was not sure if the floating slab could take all the weight of the 2 story addition.

And can I raise the height of the walls on the first story?

Thanks for your advice...
chrissygarden is offline   Reply With Quote
Old 08-18-2009, 11:22 AM   #4
Member
 
Join Date: Jan 2009
Location: South of Boston, MA
Posts: 17,248
Rewards Points: 2,000
Default

adding a 2nd story to an existing garage


So there isn't a foundation under the garge walls?
That will be a problem
Scuba_Dave is offline   Reply With Quote
Old 08-18-2009, 11:11 PM   #5
Newbie
 
Join Date: Aug 2009
Posts: 17
Rewards Points: 10
Default

adding a 2nd story to an existing garage


just a floating slab...

but it is in real nice shape, the concrete is about 5-6 inches think..
So what do you think>>
chrissygarden is offline   Reply With Quote
Old 08-18-2009, 11:21 PM   #6
Member
 
Join Date: Jan 2009
Location: South of Boston, MA
Posts: 17,248
Rewards Points: 2,000
Default

adding a 2nd story to an existing garage


If its just a slab 5-6" thick I doubt it will carry the weight of a 2nd floor
Is this attached to the house?

My (new) attached garage w/2nd floor & walk up attic I had to put a footer & foundation in down to ~4'
Scuba_Dave is offline   Reply With Quote
Old 08-18-2009, 11:28 PM   #7
Newbie
 
Join Date: Aug 2009
Posts: 17
Rewards Points: 10
Default

adding a 2nd story to an existing garage


So do I have any other options to get this garage a 2 story besides tearing it down and starting over with a concrete footings???
chrissygarden is offline   Reply With Quote
Old 08-18-2009, 11:32 PM   #8
Member
 
Join Date: Jan 2009
Location: South of Boston, MA
Posts: 17,248
Rewards Points: 2,000
Default

adding a 2nd story to an existing garage


That option would be beyond me - you need someone in concrete
Possible you could dig out & have concrete poured under edge of slab
Or jack up garage, cut edges of sab & have foundation poured
But beyond my experience
Scuba_Dave is offline   Reply With Quote
Old 08-18-2009, 11:54 PM   #9
Registered User
 
Join Date: Mar 2009
Posts: 9,967
Rewards Points: 2,000
Default

adding a 2nd story to an existing garage


I suggest you contact your local Building Department, and ask them.

The minimum code accepted is 8" wide concrete wall on a 12" wide x 7" deep concrete footing to support a two story building.
You may get by with an engineered footing down at your frost depth, pinned and poured under the slab, but again, it's a local thing.
Ask them if they accept this, a lot easier:
http://www.oikos.com/esb/43/foundations.html

Be safe, G

Gary in WA is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
wiring from existing panel to new garage al99m Electrical 8 07-29-2009 09:42 PM
Garage Wiring issues jimmyfloyd Electrical 20 06-08-2009 03:57 PM
adding heat ducts to existing plenum milcurt HVAC 4 01-13-2009 08:52 PM
Questions on Building apartment On top of existing detached garage nsxman2001 Building & Construction 4 12-16-2008 05:36 PM
Adding radiant heat to existing slab Seabass HVAC 9 04-27-2007 05:10 PM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.