DIY Garage Workshop Insulation

Larry — Thu, 29 Jan 2009 05:45:23 +0000

Helping a friend with a garage workshop insulation question.

I’d like to share a little story with you that involves my neighbor Mike who lives through the woods, right behind my house. He’s not your average retired guy as he always has some kind of do-it-yourself project going on. This time he was looking for an effective solution to insulate his garage workshop.

Just a little background on my friend Mike. He spent 30+ years working as a machinist for the Navy. And Mike wasn’t just any ole machinist, he worked on the nuclear propulsion systems on Submarines and Carriers. Mike’s also a rough and tumble Alaskan gold miner and can build or repair just about anything.

Well, not to long ago, Mike invites me over to talk with him about coming up with a solution for insulating his workshop doors. He says if we use the 1/4 of a brain we each have, we should be able to come up with a solution. Funny guy.

His metal garage workshop doors are a pair of 10 ft. wide x 14 ft. tall flat framed 2x4 doors with sheet metal cladding on the exterior.

The doors also bypass each other to open (clearance between them is only about 1/4 inch) making it difficult to apply standard insulation to the doors.

Well, after some discussion, I recommended using Prodex radiant barrier insulation on his shop doors. This is an excellent insulation material I’ve used on another garage door insulation project.

Since Prodex is only 1/4 in. thick, he simply cut each section of insulation a bit taller than the space between the 2x4’s. That way, the insulation could be stapled to the 2x4 framing as well as siliconed directly to the metal.

Prodex recommends creating an air space to increase the effectiveness of the product, but we didn’t have that option due to the extremely small clearance between the sliding doors. Having said that, an air space was naturally provided by the 50% corrugation of the metal cladding.

Notice that foil tape was applied on all insulation seams.

In the end, the shop doors easily open and look great too. Now, not only is Mike using less energy to heat and cool his workshop but the reflective qualities have improved his garage workshop lighting and created a more comfortable place to work.

So even if you’re a brilliant and resourceful guy like Mike, but still have a question about your project, just ask your personal DIY consultant, and I’ll find the answer to help you succeed with speed.

Here’s a link for more information on Prodex including installation instructions.

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DIY Garage Workshop Insulation

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DIY Garage Workshop Insulation

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