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Garage wall height for lift and insulation ?s #2760776
04/06/20 02:51 PM
04/06/20 02:51 PM
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GA
roadrunninMark Offline OP
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I am contemplating building a garage at the house as I cannot find one (that I like, anyway)that already has the extra shop included. I am building them "online" to get an idea of what it would cost, a metal building, and trying to keep costs down. I'll have to add concrete, dirt, and electric so I am looking at an $800 savings by going with an 11' high side wall vs. 12'. Below is some pics of what I designed, the roof line gets higher the farther to the center you go. I am not sure what the roof pitch is and it doesn't say anywhere. I am guessing about 3:1? Will the 11' high sidewalls be enough to get a car on the lift without it hitting the roof support structure, which I think rises with the roof line (I will ask this along with roof pitch)?

Second question is insulation. For them to have 2" fiberglass insulation (roof and sides), there is an extra charge of $5,000. 2" of fiberglass doesn't even sound like a lot and I was thinking spray foam would be way better but at what cost? The building is 30'w X 35'd X 11' high. The garage doors are 10'h X 8'w roll up. Even if the spray foam costs the same, I believe it would be much better than 2" of fiberglass?

Ok, found out roof pitch is 3 /12. Roof structure does rise with the roof and the metal frame is 2 3/4" sq. tubing


bldg1.pngbldg2.png
Last edited by roadrunninMark; 04/06/20 03:04 PM. Reason: additional info
Re: Garage wall height for lift and insulation ?s [Re: roadrunninMark] #2760782
04/06/20 03:18 PM
04/06/20 03:18 PM
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Romeo MI
MR_P_BODY Offline
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I built my shop myself and a buddy when needed... 36x 40 with 12' walls.. if I put my truck on the
hoist it clears by about 6"... I put in 6" insulation on the roof and 4" on the walls.. I did everything
on the place.. it has heated concrete floors ans LOTS of electrical for my mill,lathe,welders and
more.. I bought most everything for the building company(you get a better price).. I saved
every receipt the whole place was 26K
wave

GarageDoor 002.jpgBoilerHeat.jpg
Last edited by MR_P_BODY; 04/06/20 03:23 PM.
Re: Garage wall height for lift and insulation ?s [Re: MR_P_BODY] #2760784
04/06/20 03:36 PM
04/06/20 03:36 PM
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Illinois
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sixbbl 69 Offline
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13 ' inside wall height with 14 '' insulation above that .12x12 door ,9' door and 7' door.12,000 lb 4 post lift behind 9' door MH behind 12'.

Re: Garage wall height for lift and insulation ?s [Re: MR_P_BODY] #2760787
04/06/20 03:44 PM
04/06/20 03:44 PM
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GA
roadrunninMark Offline OP
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Thanks P, is your lift directly in the center or off to the side? Do you put it higher to work on or can it be a little lower, enough room to park one car under the one on the lift? How hard was it to put together yourself? Here in GA, I don't think I would need heat in the concrete but would put something (foam board?) underneath plus some plastic for a moisture barrier.

Re: Garage wall height for lift and insulation ?s [Re: roadrunninMark] #2760791
04/06/20 03:50 PM
04/06/20 03:50 PM
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Bend,OR USA
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I had one shop built (24x40 Ft )with 12 foot high sides and one 10 ft. high by 16 foot wide swing up door. I'm a drag racer and hobby car builder so I wanted to be able to drive my one ton car hauler truck into the shop at night with the car on it after getting back from the races and close the door instead of having to unload and start the race car up after midnight to drive it into the shop. I didn't want to leave it out overnight in my yard, especially in the winter.
Looking back now I should have had the walls built to at least 13.0 ft. high so the big door could have been 12.6 inch high so any standard commercial height truck and trailer could drive into it for resale value later to any buyer work
My current house had a pole barn on it when we bought it, the shop had been added on several times before we bought the house with the shop, it is 15 Ft. wide in the center part x 40 t. deep with a around a 14 Ft. high center ceiling, the center shop door is a roll up that is 10.0 ft. wide with 12.0 ft. tall, with 9Ftx7 inches wide I.D. I have a Direct lift 7000 Lb. rated drive on car lift in it also with no issues with my 1940 Ford Tudor sedan hitting the ceiling up
The sides that where added on later are 7.0 Ftx40 ft. on one side and 9ft. wide x 34 ft. long on the other side which I now use as a engine assembly room wrench
I would like to add onto it with the another addition being bigger than the current shop which would be adding on 35 ft. onto the end of my current shop towards the east property line and make it at least 40 ft. deep with 14, ft. high walls due to this area having a lot of commercial truckers and hot rodders like myself who like large shops also up I would have to add another driveway to the addition to make it usable also and have two: two 13.0 high x 16.0- ft. wide doors also up
On the insulation issues how cold and hot doe sit get where you live? I have seen -25f here in Bend, OR in the winter since we moved up here from the SO CA Mojave high desert where it would get up to be 105 F in the summer days in July and August and get down to 18 F at night in the winter. My shop in the desert had R12 or R14 in the walls and R34, I think, in the ceilings.
My current shop was all open walls on the inside except the 9x34ft part, it was enclosed with particle board. the other part had no insulation so when I enclosed it with drywall added R34 in the walls and ceilings up
The first winter we lived here I didn't not heat the shop realcrazy I ended up with a bunch of rusty car parts whiney
I now used a Wal Mart Deloughi brand small 110 V electric oil heater( I don't see a Watt rating on it, sorry) now in the engine room all winter long which keeps it at or above 50F in the engine room and at least above freezing in the rest of the shop. I also have a airtight wood burning stove to use to warm the engine room up in the winter when I'm working in it up
I have to be careful on using it as it will over heat that room up to 85 F when it is below freezing outside, I'll open one of the doors into the center part of the shop to help let some of that heat into the rest of the shop to control the heat.
IHTHs

Last edited by Cab_Burge; 04/06/20 04:19 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Garage wall height for lift and insulation ?s [Re: roadrunninMark] #2760794
04/06/20 03:56 PM
04/06/20 03:56 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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The hoist is centered and I raise it up all the way.. I am getting a new hoist that will go up 6"
higher so I can walk under it without hitting my head on the tires... I also park my jeep under it
with no issues
wave

Re: Garage wall height for lift and insulation ?s [Re: MR_P_BODY] #2761971
04/09/20 04:08 PM
04/09/20 04:08 PM
Joined: Nov 2003
Posts: 2,936
GA
roadrunninMark Offline OP
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Thanks for the inputs, Cab, Six, and P. I'll go for the 12' sides with 10' high roll up doors if I go this route.

Re: Garage wall height for lift and insulation ?s [Re: roadrunninMark] #2761982
04/09/20 05:12 PM
04/09/20 05:12 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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You will be happy... one thing... its NEVER big enough.. I wanted to go bigger but I was already
larger than was allowed at the time and I had to get permission at the time.. I can go bigger now
but I dont think its worth the hassle... good luck
wave

Re: Garage wall height for lift and insulation ?s [Re: roadrunninMark] #3005843
01/16/22 04:02 AM
01/16/22 04:02 AM
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Posts: 1
Seattle
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Kandagor Offline
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If you have doubts about the dimensions, it is best to contact professional architects who calculate all the parameters competently. It is better to do it right away than redo it later. My father always told me either you do quality work or do not do it. Therefore, I am constantly improving my skills in each area where I work. I recently did forklift training in the UK; I can honestly tell you it's invaluable information. I have improved my forklift skills several times over

Last edited by Kandagor; 01/17/22 04:22 AM.
Re: Garage wall height for lift and insulation ?s [Re: roadrunninMark] #3005867
01/16/22 11:11 AM
01/16/22 11:11 AM
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For a lift you'll want a 12 ft wall, especially if you have a flat ceiling inside. You'll want as much insulation as possible and if you can connect water to the shop then you should use heated floors. I love the heated floors in my shop and it turns out that women like heated floors too.

DSC_7470 (Large).JPG
Re: Garage wall height for lift and insulation ?s [Re: roadrunninMark] #3005900
01/16/22 12:30 PM
01/16/22 12:30 PM
Joined: May 2007
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Northern California
lilcuda Offline
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Do yourself a favor and spend some time researching on the Garage Journal forum. I found out about that forum after I built the garage at my old house and made a bunch of mistakes.

https://www.garagejournal.com/forum/


'67 is an abbreviation of 1967
67' is an abbreviation of 67 feet
They are not interchangeable.
Re: Garage wall height for lift and insulation ?s [Re: lilcuda] #3005950
01/16/22 02:19 PM
01/16/22 02:19 PM
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So Cal
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Originally Posted by lilcuda

Do yourself a favor and spend some time researching on the Garage Journal forum. I found out about that forum after I built the garage at my old house and made a bunch of mistakes.

https://www.garagejournal.com/forum/


What where you mistakes we can learn from?

Re: Garage wall height for lift and insulation ?s [Re: autoxcuda] #3005968
01/16/22 03:20 PM
01/16/22 03:20 PM
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Hamtramck, PA
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One BIG mistake many make with the concrete - put down a vapor barrier before pouring the slab to guarantee that it will not sweat.

Thick mil plastic sheathing is cheap compared to the problems that moisture coming up from under the slab can cause later.

(concrete is porous, so any ground moisture can wick up into it from below if not blocked)

Re: Garage wall height for lift and insulation ?s [Re: autoxcuda] #3006015
01/16/22 08:14 PM
01/16/22 08:14 PM
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Northern California
lilcuda Offline
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Originally Posted by autoxcuda
Originally Posted by lilcuda

Do yourself a favor and spend some time researching on the Garage Journal forum. I found out about that forum after I built the garage at my old house and made a bunch of mistakes.

https://www.garagejournal.com/forum/


What where you mistakes we can learn from?


The architect convinced me that 1/8” per foot slope of the slab was code. When I asked the building department, they agreed. Turns out it was BS. There is no code saying anything about the slope of a slab, at least not here (Northern CA). I ended up with a garage with a very sloped floor, which made jacking up cars precarious at the worst, a pain in the butt at least. I found out after it was done that the slope thing was BS. I did insist on 14’ of flat area at the back, so at least I had a space for benches, my toolbox and an area where I could build an engine.

I also had mine built as extra wide and deep 2 car (26’ x 36’). It sounded good and looked good on paper, but in reality, it wasn’t ideal. I should have built it 36’ wide and 26’ deep with three bays, with one dedicated to a lift.

We sold that house 7 1/2 years ago. My garage now is much smaller and even though my garage at the old house wasn’t ideal, I miss the space (approx 900 sq ft)

The moral of the story is do a lot of research and don’t jump into the project like I did.


'67 is an abbreviation of 1967
67' is an abbreviation of 67 feet
They are not interchangeable.
Re: Garage wall height for lift and insulation ?s [Re: Alaskan_TA] #3006059
01/16/22 09:33 PM
01/16/22 09:33 PM
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Banana Republic
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Originally Posted by Alaskan_TA
One BIG mistake many make with the concrete - put down a vapor barrier before pouring the slab to guarantee that it will not sweat.


iagree Previous house I lived in had no moisture barrier under the garage floor and would sweat during major temp changes. When we built our new home, I put down plastic in the attached garage and the detached garage.


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Re: Garage wall height for lift and insulation ?s [Re: roadrunninMark] #3006061
01/16/22 09:36 PM
01/16/22 09:36 PM
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Sticky South
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I wouldn’t dare show a pic of mine at the moment as it’s a mess, but I did 32x48 with 12ft flat ceiling and don’t have a lift yet the spot where it will go has 8in thick concrete and the lift cross bar will just fit under the ceiling. I had some industrial heavy back insulation given to me so it’s double rolled in the overhead so it’s cool in the summer and takes very little to heat when it gets cold. One thing on the drive in doors go at least 10x10 or if you are going to use one on a regular basis do one 10 wide and the other 12 especially if you need to back an open trailer in, enclosed with roof A/C will need 12 x 12. Doug


Sorry honey I spent the rent
Re: Garage wall height for lift and insulation ?s [Re: lilcuda] #3006063
01/16/22 09:39 PM
01/16/22 09:39 PM
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A slope on an interior floor is weird. Not sure that that guy was thinking who told you to do that. The shape of the shop can be very subjective and sometimes the preference changes over time. I've been super happy with my shop over the past 20 years. I have wished at times that I would've done 12 ft eves rather than 10 ft but that is the only regret I've had.

Re: Garage wall height for lift and insulation ?s [Re: AndyF] #3006084
01/16/22 11:11 PM
01/16/22 11:11 PM

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1) Put 4" (R20) of rigid insulation under the slab with the 6mil poly over top of it and rebar of course
2) Put one wider garage door (insulated) instead of two, you will save money there
3) Don't cheap out on any insulation as it is great for keeping the cold out and heat in during winter and the heat out in the summer
4) Limit the amount of windows to keep expense down
5) run a gas line in for a small unit heater. (won't need much if you insulate really well)

Re: Garage wall height for lift and insulation ?s [Re: lilcuda] #3006353
01/17/22 11:18 PM
01/17/22 11:18 PM
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GA
roadrunninMark Offline OP
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Originally Posted by lilcuda
Originally Posted by autoxcuda
Originally Posted by lilcuda

Do yourself a favor and spend some time researching on the Garage Journal forum. I found out about that forum after I built the garage at my old house and made a bunch of mistakes.

https://www.garagejournal.com/forum/


What where you mistakes we can learn from?


The architect convinced me that 1/8” per foot slope of the slab was code. When I asked the building department, they agreed. Turns out it was BS. There is no code saying anything about the slope of a slab, at least not here (Northern CA). I ended up with a garage with a very sloped floor, which made jacking up cars precarious at the worst, a pain in the butt at least. I found out after it was done that the slope thing was BS. I did insist on 14’ of flat area at the back, so at least I had a space for benches, my toolbox and an area where I could build an engine.

I also had mine built as extra wide and deep 2 car (26’ x 36’). It sounded good and looked good on paper, but in reality, it wasn’t ideal. I should have built it 36’ wide and 26’ deep with three bays, with one dedicated to a lift.

We sold that house 7 1/2 years ago. My garage now is much smaller and even though my garage at the old house wasn’t ideal, I miss the space (approx 900 sq ft)

The moral of the story is do a lot of research and don’t jump into the project like I did.



I am liking this idea... to make it wider than deeper. 32' W X 28' to 32' D. A third bay with the lift in it is a great idea.

How much work space is enough for behind? Maybe it should be 36' D. Yes, I am thinking 32' W by 36'D with 3 garage doors in the front and one walk through door on the side.

Re: Garage wall height for lift and insulation ?s [Re: roadrunninMark] #3006728
01/19/22 10:40 AM
01/19/22 10:40 AM
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Motor City
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I get away with 10' ceilings in my garage but it is mainly for storage. Obviously, 12' would be better. It is tight with several inches to spare with each car but it works. Mine is heated and air conditioned with insulated walls and ceiling. It's the best I could do with an average residential 2 car garage (now 3).

20210320_161519.jpg20210320_145617.jpg20210318_161408.jpg

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