Building a 30x30 shop 14ft walls

[jawesy]

Hello from the cold north, Manitoba Canada, currently building a 30x30 shop 14ft walls, looking for suggestions and ideas to do, I'm putting in a Bendpack hoist, would like ideas for my indoor radiant floor heat, (electric on demand closed hot water heater type) and any other ideas on what to do, thanks in advance

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[GYPSY400]

http://www.solartubs.com/solar-heating-packages.html
Check this out for your heating system.

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[abachman]

A friend here in the Chicago area uses the Hot Water Heater with a Red Pump for circulation. It does a great job and doesn't need to run all that much.

 

[jawesy]

I Will look into it, thanks

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[38Chevy454]

Can't offer advice for the floor heat, but I will say to put as much insulation as you can. Also seal up around the walls and ceiling joints or electrical openings as good as you can. Insulation will not only help the heat loss, but it also helps with summer to minimize the cooling needs. In general the insulation helps moderate the tempos inside. This is very beneficial for your radiant floor heating as it has a longer heating up recovery time.

 

[jawesy]

I am putting 2x6 walls r20 value, and r40 value for the ceiling, I put 2 inch under slap insulation board to

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[GYPSY400]

I am putting 2x6 walls r20 value, and r40 value for the ceiling, I put 2 inch under slap insulation board to

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That's exactly what I have in Northern ontario .. and it's cozy!
I have no problem heating it with a 40k btu Reznor style heater ( haven't got the in floor online yet) and heating costs aren't that bad..cost me about 25% more on my equal billing and my garage is close to the size of my house. Keep in mind I run a programmable thermostat with the max temp going up to 16 or 17*C

I think the insulation in the slab makes a huge difference.. even if I shut the heat down for a few days it doesn't get below freezing inside the garage.

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[Dragfluid]

Put house wrap under the siding. Put Polyiso foam sheets on the inside, over your wall insulation. This provides for a thermal break and also adds another R-6. Also, using dense pack cellulose on the walls will be cheaper and more effective than fiberglass. Go more on the ceiling. At least R-60 cellulose.
Don't forget ceiling fans!

 

[gnpenning]

Your slab exterior needs a thermo break as well otherwise you will just sending heat to the outside. I made that mistake once, corrected it the next time and it makes a huge difference.

My buddy tried the water heater on his with SIP panels and has always been disappointed. I've always used a correctly sized boiler. You can find on-line calculators for this.

 

[Dragfluid]

Yes on the thermo break for the slab. Forgot to point that out. To see what we're talking about, look at my build thread, and it shows it. 2" of rigid foam, 24" down.

 

[Firebrick43]

Put house wrap under the siding. Put Polyiso foam sheets on the inside, over your wall insulation. This provides for a thermal break and also adds another R-6. Also, using dense pack cellulose on the walls will be cheaper and more effective than fiberglass. Go more on the ceiling. At least R-60 cellulose.
Don't forget ceiling fans!

Don't disagree on most of it but look up tyvek failures. It's becoming a big problem.

 

[Dragfluid]

Don't disagree on most of it but look up tyvek failures. It's becoming a big problem.

I looked it up. That argument has been going on for quite a while.
Ginger or Maryann?

But from all appearances, it still looks like the pro wrap folks win.

 

[bigarmzz]

That argument has been going on for quite a while.
Ginger or Maryann?

LOL, everyone knows its Maryann

 

[rburke65]

I vote Ginger!