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Insulating a wood shed

Posted on 8/13/19 at 12:24 pm
Posted by MsGarrison
Steele Town LOL
Member since Nov 2009
22009 posts
Posted on 8/13/19 at 12:24 pm
Just got it last week. It’s a cabin shed 10x16 and I wanted to insulate it and many into an outdoor hang out spot; I was wondering if radiant barrier would work (going to heat and cool the shed).
Posted by convertedtiger
Baton Rouge
Member since Aug 2010
2786 posts
Posted on 8/13/19 at 12:31 pm to
Rockwool that bitch.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5266 posts
Posted on 8/13/19 at 12:45 pm to
Seems like traditional fiberglass or wool insulation for the wall and attic (assuming it has one) would be sufficient for a building that small. Some type of radiant barrier would be easily install in that type of shed - does it have soffits, and if so, are they vented?
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 8/13/19 at 1:25 pm to
I'm sure the studs are 24" OC. Just buy some R13 fiberglass batts for the walls and R30 for the ceiling. Look for 24" wide goods. Home Depot carries it.

Would wire up the building first.

Once insulated, cover everything with 1/4" OSB.
Posted by MsGarrison
Steele Town LOL
Member since Nov 2009
22009 posts
Posted on 8/13/19 at 2:04 pm to
No soffits.

My problem comes with the roof. It has no attic, however, I could make one but would rather not. What could I do to insulate it ? Standby for picture..

Couldnt upload a pic but my shed has this type of roof with plywood and tin on top.

This post was edited on 8/13/19 at 2:08 pm
Posted by MsGarrison
Steele Town LOL
Member since Nov 2009
22009 posts
Posted on 8/13/19 at 2:09 pm to
Wiring tonight.


Going to get some romex wire, junction boxes, outlets, switches.

Ill post progress of the shed. Really like doing this as a DIY project. Hope to make it a cool space by mid-september to enjoy fall evenings and football.
Posted by convertedtiger
Baton Rouge
Member since Aug 2010
2786 posts
Posted on 8/13/19 at 2:22 pm to
One thing I would add, whatever you think you want in power, double it. Also, don't go cheap on the wiring. Mine is wired all 12 gauge 20amp circuits. Also, run power outside. You would be surprised often you will use an exterior outlet or two. Adding a 220 line is not a bad idea either. We wound up putting in a secondary box with amperage to spare for future expansion.
Posted by NATidefan
Two hours North of Birmingham
Member since Dec 2008
36032 posts
Posted on 8/13/19 at 3:20 pm to
quote:


My problem comes with the roof. It has no attic, 


Insulation panels would be easiest and most bang for the buck I believe.

Could do spray insulation. But it's a bit pricey for a shed.

Could just throw some fiberglass rolls up there and cover them with some sheet rock or plywood.
This post was edited on 8/13/19 at 3:43 pm
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5266 posts
Posted on 8/13/19 at 3:53 pm to
quote:

No soffits. My problem comes with the roof. It has no attic, however, I could make one but would rather not. What could I do to insulate it ?


So basically you have an unvented cathedral ceiling scenario, so how about foil-faced polyiso board between the ceiling rafters. LINK see page 3, option 2, unvented roof sheathing, and per installation instructions, you can add additional fiberglass insulation on top of the foam board for additional insulation if you want or feel necessary. Shouldn’t need R30 as you not going to live in it unless you piss off your SO.

Then size your AC and heating not only for the square footage but the amount of insulation you install. There are on-line calculators for this. Maybe something like a 6,000 to 8,000 BTU window heat pump (I’m looking for one now for an attached 200 sq ft storage shed) unless you’re thinking the smallest mini-split they make, but that’s a small area for a mini-split.
This post was edited on 8/13/19 at 5:43 pm
Posted by Kingpenm3
Xanadu
Member since Aug 2011
8961 posts
Posted on 8/14/19 at 9:52 am to
If looking to go fast and cheap, fiberglass and strapping will work across the ceiling. My FIL has an office where he did this and just used duct tape for strapping and put a nail through it at every joist! Ugly as sin, but it works.

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