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Garage Gym Insulation

Posted on 1/19/22 at 8:03 am
Posted by Tigerfan56
Member since May 2010
10526 posts
Posted on 1/19/22 at 8:03 am
I have a one car detached garage. I want to have it double as a gym.

I live in a harsh northern climate so I want to insulate the space. I can install fiberglass insulation myself - which is the cheapest and easiest option. That’s my preference due to cost and not wanting to hire someone.

My only concern is safety. Is it safe? I’m not an expert on this kind of stuff by any means. I have read it can be harmful to breathe if the material becomes agitated. The insulation would not be exposed, I would cover it up with plywood. However, I will be dropping weight on the ground, using the walls for different exercises, etc. so I didn’t know if that would make the particles in fiberglass become airborne and breathable? It’s a small space - 120 square feet - where I will obviously be breathing heavily.

Is this going to be a problem or am I worrying for nothing?
Posted by lsu777
Lake Charles
Member since Jan 2004
37973 posts
Posted on 1/19/22 at 8:49 am to
quote:

I have a one car detached garage. I want to have it double as a gym.

I live in a harsh northern climate so I want to insulate the space. I can install fiberglass insulation myself - which is the cheapest and easiest option. That’s my preference due to cost and not wanting to hire someone.

My only concern is safety. Is it safe? I’m not an expert on this kind of stuff by any means. I have read it can be harmful to breathe if the material becomes agitated. The insulation would not be exposed, I would cover it up with plywood. However, I will be dropping weight on the ground, using the walls for different exercises, etc. so I didn’t know if that would make the particles in fiberglass become airborne and breathable? It’s a small space - 120 square feet - where I will obviously be breathing heavily.

Is this going to be a problem or am I worrying for nothing?




shouldnt be anything to worry about so long as you cover it and especially if take some caulk and seal it. when you install wear a mask and then make sure when you are installing stuff on the wall, its into the stud.
Posted by Yewkindewit
Near Birmingham, Alabama
Member since Apr 2012
21846 posts
Posted on 1/19/22 at 9:44 am to
Just the mention of the phrase “fiberglass insulation” makes my skin itch. I don’t have any skin issues with poison ivy, sumac, nor chemicals, however I cower before fiberglass insulation.
I drove past some on side of the interstate once with the A/C on outside air and the itching began within seconds.
Posted by Tigerfan56
Member since May 2010
10526 posts
Posted on 1/19/22 at 10:15 am to
quote:

shouldnt be anything to worry about so long as you cover it and especially if take some caulk and seal it. when you install wear a mask and then make sure when you are installing stuff on the wall, its into the stud.


Thanks. This is what I keep reading but I’m looking for as much input as possible because this is very uncomfortable and unfamiliar territory for me. I’m not very handy. I will have a friend who has experience with installing insulation be helping me out though.
Posted by lsu777
Lake Charles
Member since Jan 2004
37973 posts
Posted on 1/19/22 at 11:02 am to
quote:

Thanks. This is what I keep reading but I’m looking for as much input as possible because this is very uncomfortable and unfamiliar territory for me. I’m not very handy. I will have a friend who has experience with installing insulation be helping me out though.


i mean if you ever walked in an attic that has fiberglass then you have been around it. once you put the wood up its nothing to worry about.

just wear a mask(like an n-95) long sleeves and pants to install. then put wood over it and then caulk the seems. then it is sealed. even if your didnt caulk but cut the wood correctly it would be sealed, atleast close enough.

nothing you lift will be close enough to making the fiberglass become air borne.

i know plenty of people who have insulated a garage to lift in or just work in that just installed the insulation paper side out and didnt cover it. nothing to worry about.


now key for you is goign to also be sealing any air leaks once you install and insulating your garage door. after that, a small heater should work fine.
Posted by matsuflex
Louisiana
Member since Feb 2009
1609 posts
Posted on 1/19/22 at 11:53 am to
Is there such a thing as DIY spray foam?
Posted by Tigerfan56
Member since May 2010
10526 posts
Posted on 1/19/22 at 12:10 pm to
quote:

Is there such a thing as DIY spray foam?


There is and I looked into that but from what I can gather it’s more expensive and messy/difficult
Posted by lsu777
Lake Charles
Member since Jan 2004
37973 posts
Posted on 1/19/22 at 12:33 pm to
quote:

Is there such a thing as DIY spray foam?


yea but its like 500+ for a kit that yields only like 17 sf.

so if you have 10 foot ceilings, 16" between 2x4 studs you are only going to get about 4.3 spaces for each kit.

in a 10x10 space you are looking at needing 7 kits if you have a garage door and that doesnt include doing the ceiling which would bring it to over 10 kits needed

for 5k....you can do a lot of traditional installation and you are approaching the cost to have it professionally spray foamed.
Posted by Salmon
I helped draft the email
Member since Feb 2008
86138 posts
Posted on 1/19/22 at 2:05 pm to
have you looked at the insulation kits for your garage door? otherwise you are just going to be wasting your time
Posted by Tigerfan56
Member since May 2010
10526 posts
Posted on 1/20/22 at 9:21 am to
quote:

have you looked at the insulation kits for your garage door? otherwise you are just going to be wasting your time


Yeah I will
Be insulating the garage door also
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