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Help with outdoor room insulation

Posted on 6/5/19 at 9:22 am
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41538 posts
Posted on 6/5/19 at 9:22 am
The previous owner of my home converted half of an old garage into a shed and the other half into an outdoor room. The room is nice but it's not insulated very well as he never really meant for it to be used year round.

I work from home and want to convert the room into my office. The problem I have is it gets quite hot in the summer and cold in the winter because at the top of two walls is an opening to the "new" shed and on the other side is the opening to an empty loft that was closed off. I know, it's quite confusing. The "floor" of the loft is insulated well except the closed off portion that borders the interior of this room and the closed off portion between the shed and the interior of the room are only closed off with fence boards and nothing else. The guy was going for a rustic ambiance.

Problem I have is heat and cold transfer very easily as though there's no barrier at all. This transfer is noted in the picture by the arrows.

Would just plain ole sheet insulation work well if I slap it up there over the fence boards and then cover the sheet insulation with something else or would that cause moisture problems? There's ventilation on the left side of this picture (the "loft" side) but no ventilation on the right side (the shed side).

I hope this isn't too confusing and my apologies for the crappy drawing.


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Posted by Milk
central
Member since May 2010
1042 posts
Posted on 6/5/19 at 11:15 am to
I had to read your post a couple of times to understand so I may get this wrong.

Your office is in the middle. You have a partition on one side with the shed that’s open at the top. The other side has a loft with insulated floor.

Is the roof insulated? Do you have ducts in the office or an A/C unit?

Your best bet is to strip the walls if they don’t contain insulation, insulate them. Either continue the wall up on the shed side then insulate the roof.

Or frame a ceiling in and insulate that.

Pictures of the actual space would be more helpful.

I’m not a carpenter, but I have done similar things to my garage.
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41538 posts
Posted on 6/5/19 at 11:33 am to
The roof is insulated with sheet insulation only. The walls have insulation but (shocker) it's only sheet insulation as well (I was told this by the previous owner, I haven't seen it myself since I haven't opened the wall).

I do have a window AC unit in it but no ducts since it was never supposed to be an interior room.

I'm thinking it will be possible to convert it but it'll take some planning and work.
Posted by Milk
central
Member since May 2010
1042 posts
Posted on 6/5/19 at 12:14 pm to
It all depends on how much work you want to put in it. Since it’s your home office I would do it right and write it off on your taxes if that’s an option.

Are planning on hiring someone or doing the work yourself?

None of it is difficult, but it helps to have some experience building if the room is smaller.

Personally if it was only going to be an office. I would frame a ceiling in, insulate and deck it. All that storage space could be accessed from the garage part.

What are the room dimensions BTW?
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41538 posts
Posted on 6/5/19 at 1:07 pm to
quote:

It all depends on how much work you want to put in it. Since it’s your home office I would do it right and write it off on your taxes if that’s an option.

I didn't think of that. Good idea!
I think it may be about 20x20.
Posted by Wilson
Metairie
Member since Jul 2011
240 posts
Posted on 6/11/19 at 3:42 pm to
Make whatever easy insulation improvements you can and then buy a big mini-split. You can always go back and make more improvements. If it's 20x20, I'd get a 18,000 btu mini-split system. Should be more than enough.
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