Re: Insulating block wall garage
- From: Tony <tony.miklos@xxxxxxxxx>
- Date: Tue, 03 Nov 2009 15:14:02 -0500
Joe wrote:
On Nov 2, 12:03 pm, Tony <tony.mik...@xxxxxxxxx> wrote:Part of my garage was going to be below grade so to make things
easy, we did the whole 1st floor block. Now I'm really regretting
it due to high heating and cooling costs. My original plans were
to stucco the outside of the block. It looks like 10 times the
work and a lot more money to put 1/2" or 3/4" foam panels, then
wire lath, then stucco. Besides the obvious I'd have to tear out
and redo 3 windows, one door, and do something up top were the
stucco would now meet the vinyl soffit to allow room for the foam
panels. I know the foam panels aren't the best insulation, but it
would triple or quadruple the current r-value of 8" block (about
1.11 r-value).
My other choices of course include framing and insulation the
inside of the block walls.
Really your most cost effective option.
snip>
Given your problem I would contact an Icynene installer and price out
2 x 4 framing with 3 1/2" foam filling behind drywall (INSIDE). The way higher insulating value of such an installation will definitely have a reasonable payback period compared with the limited options
you could do other wise. Your personal tax expert could also advise
you of energy tax credits available to sweeten the project cost. Once
the framing is in place you can add electrical outlets, water lines,
air lines, whatever, prior to the foam operation. From an appearance
standpoint this is also a win-win situation as no external changes
will be obvious to your tax assessor. Forget about the attitude that
it is 'only' a garage/workshop'. For the hours you will spend there,
there is no common sense reason not to have heat and AC. My little
26' x 26' shop is heated/cooled and there is no way I would do
otherwise. Projects get done more quickly, tools don't rust from
excess humidity and list goes on. The shop is a major utility at our
house, like laundry. And a money saver to boot.
By saying that it is "only" a garage/workshop was referring to the looks of tapcons and fender washers. My last garage/workshop had heat and A/C
also and I don't consider it a luxury.
I called the 2 closest Icynene dealers (43 and 44 miles away) and I am waiting for rough over the phone estimates, then next would be an on site estimate, or maybe a price quote?
I understand the reasoning why the Icynene is so much better because it fills in cracks and stops air infiltration, but in my last stick built garage I believe I insulated it better than 99.9% of contractors, paying very much attention and detail for the fiberglass to expand properly and sealing off air infiltration and air convection currents on both sides of the insulation. That was 24x32 sq', up in PA, and heat cost me $100 to $175 per winter. That was with a oil/hot air furnace from a mobile home. It was left at 50-55F unoccupied and about 65 or more when working in there. What I'm trying to say is that if I do fiberglass myself, it will be far better than in the fiberglass/Icynene comparisons.
I'm still looking for an affordable heater that is approved for garage
use. In the old one I suppose I was lucky the place never burnt or the
insurance company could have blamed the non code heater. I have a mobile home LP heater sitting in there, trying to find out if the insurance company will approve its use. (like my other posts, there is no building code to follow, I only have to go by what my insurance company says.
.
- References:
- Insulating block wall garage
- From: Tony
- Re: Insulating block wall garage
- From: Joe
- Insulating block wall garage
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