The Chronicles of Woodworking in a Can #14: I Made a Hole!

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Blog entry by cmckerliesr posted 02-28-2011 02:04 AM 1262 reads 0 times favorited 3 comments Add to Favorites Watch
« Part 13: Wouldn't you know it! Part 14 of The Chronicles of Woodworking in a Can series Part 15: Pictures and stuff »

So I have been planning where or how the electrical will be coming into the shop or can. In case you are wondering the can is made of 22 mm steel. I was not sure if my punch set was going to be able to pull the hole because it said it could be used up to 10 gauge steel.
So here is what I used to pull the hole, of course I drilled a pilot hole first.

Yes it is a cheap piece of crap. But I do not pull a lot of holes in metal and it served the purpose. I have owned this thing for about 8 years, and I think this is only the second time I have used it. In any case, I first pulled a half inch hole then a 1 inch hole.
I have yet to put conduit through it. But here is the hole from inside and outside the can.

I used a pry bar to distort the top of the hole for now so that if it rains, the water will not just run in the hole.

I also meant to take a picture of the walls as I have added more insulation to the inside and it is making a difference. Today was quite warm and it was not quite as hot inside the can. I have covered 90% of the wall that the bench is against. But have stopped short of the top because I have noticed there is some sort of vent holes near the corner of the can. (I will photograph them soon to show you). And have decided not to cover them with insulation. When I put up the OSB, on the walls I will probably cover them. This will at least let a little air circulate behind the wood as I am not working to make it air tight inside. I have planned to leave gaps in certain places to help air flow. There is a patch in the ceiling of the can, which I plan to cut out in order to install a vent. Possibly a 12 inch wind turbine. Because of the ribs in the metal, I am planning on pushing the vent up from inside the can and attach it to the ceiling inside. Not sure how, just yet.

Either way, I have to get about 5 or 6 more rolls of insulation to cover the walls and ceiling. OH! I have been using spray adhesive to attach the insulation to the wall. So far it has been sticking very well. Then again I only need it to stay up long enough so that I can attach OSB to the walls.

So, the upper cabinets that I had hung before are now down on the floor. Yes! In the way! I keep trying to convince my oldest son to buy me two more cans to attach to the original one. But so far, he continues to act as though he does not hear me. lol!

I am still looking for an old window mounted air conditioning unit so that I can cut a hole in one of the walls and install it to keep it cool inside. But part of that will depend on just what the insulation does. It really does not matter to me if it is a little warm inside. I just do not want it to be as hot as it has been where I can barely stand to be in there. I have found out that before I started putting in the insulation. It really depends on wind, and humidity as to how hot it gets in the can. It can be 80 or 90 degrees Fahrenheit outside and be comfortable inside. If the humidity is low and there is slight breeze. Even at 100, it is not bad. But let the humidity climb above 40% and little to no breeze and it can get very very uncomfortable in the can.

So, now that I have gone way off the subject let me get back to the electrical and the hole.
Soon I will be installing a temporary outdoor outlet box in the hole with a weather proof male connector in the hole. More for the purposes of sealing up the hole then anything else. I will also be routing this blue plastic conduit along the wall once the OSB is up. I do not remember who makes it or what it is called. But because the blue plastic conduit has some easy snap together connectors and is cheaper then the other stuff I have priced this is what I will install.

Oh! You guys may be glad to know that I also plan on going to Big Lots to buy a cheap digital camera to keep in the shop so that I have no more excuses about not including pictures when it is necessary. I stress cheap ($60), because there is no way in hell I have bringing my Canon Digital SLR into the shop.

OK, well I think I have said enough for now and possibly I may have even confused things a little.

Keep Making saw dust and thanks for visiting with the man in the can.

-- The Man in the Can, Craig M. North Carolina

3 comments so far

View lew's profile


12060 posts in 3754 days

#1 posted 02-28-2011 03:16 AM

Thanks for the update, Craig!

Looks like a pretty hefty set of punches.

We have a thing here- on the internet- called “Freecycle”. Folks post stuff they want to give away. If you have this in your area, you might find an air conditioner.


-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View Dennisgrosen's profile


10880 posts in 3114 days

#2 posted 02-28-2011 03:48 AM

thankĀ“s for the update :-)
22mm I thought they were made in thinner steal from what have seen in the green ingineurs serie
where they builded a cheap compartment for students as a invastigation of how cheap they cuold build
and they used three containers and cut out some of the sides with a grinder
and it looks like they were only a few mm thich

so what the H…. has this been used for ?

take care

View dbhost's profile


5711 posts in 3231 days

#3 posted 02-28-2011 08:45 PM

Of all the shops here, I must admit yours is the most unique… I am fascinated by this idea. Especially living in a hurricane zone. A shipping container workshop like this would stand a much better chance of surviving the high winds of a hurricane…

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