1 Video View·May 7, 2023
I don't need these yet, but I will probably want them one day.
Today we build some raised beds using reclaimed barn wood and metal siding. Anytime I can, I like to intercept things going into the waste stream. I go through the build to show you how we did it.
Many of these tips were learned from Sherry and Derek, over at Gardening in the North. She may have other tips for you as well! https://www.youtube.com/channel/UCHk8xZzWYjZv0pjfr9iOjxw
--- Just a side discussion I want to have on galvanized steel. Galvainization is done using Zinc, and the Zinc is used as a sacrificial plating, so that it gets eaten instead of the steel. Unfortunately, it can also have some other nasties in it like lead and cadmium in the molten zinc dip process.
We had a few people bring this up, and I think it's worth having an expanded discussion on - thank you kindly for the concern!
Using old galvanized steel like this should be done with caution, but it can be done. The leeching rate of the toxins only happens when the coating is exposed to both extreme moisture and also acidic conditions, which are unlikely to be present in your raised bed. However, to be extra safe, we can take some precautions.
For us, we made sure to orient the tin coating on the outside of the bed, so that there is never any soil contact. This is the single most important thing you can do. We will also monitor our soil and test for these things (but I do not expect to find them). We also made sure that the interior of the beds were in good condition (i.e. the metal wasn't rusting through, getting access to the coating on the outside from the inside - soil). On one panel there was a little backside rust, and we made sure to orient that on the bottom of the bed, and surround it with gravel to give better drainage there. I'm honestly not too worried about it.
However, it's important that we know that's something that we should be considering in our designs. For example, as much as I am okay with using the metal in this way, I wouldn't be okay with orienting the paint on the inside of the bed, in direct soil contact. That would likely still be okay, as long as the soil pH isn't overly acidic, but it's still just another barrier I'd like to have, so we might as well be extra safe. If I had no choice but to do that, then I would line the bed with greenhouse poly (making sure there is drainage at the bottom of course), however I wouldn't really want to rely on that never getting damaged, so I would probably just avoid it.
If someone feels that's even not a risk they'd like to take, then I would recommend avoiding using any galvanized coated metal at all, but as I said, almost all resources that I found which were well cited and referenced with research/science, it was stated that it was something to be aware of, but not to be overly concerned with. Just don't add aluminum sulphate to make the soil acidic and then grow blueberries in that bed.
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Hey welcome back to the food forest. Yesterday we did this. We made a whole
bunch of raised garden beds using reclaimed wood from barn
teardowns. The siding is reclaimed as well. These are
good things to do anytime that you can intercept
stuff going into a waste stream and then turn them into something useful and
functional. That is my jam. It also saves a bunch of
money and I actually kind of like the way they look.
They look a little bit rustic. They look like they've been here for a while.
So we'll rewind, we'll show you the build, we'll show you what we did yesterday
and I hope you enjoy the video.
So just a tip, whenever you're screwing stuff in
you don't want to screw in like this where the screw is going into the end of
the grain. You actually want to go where the
screw end is actually going to end up in the
piece of wood against the grain. It's just a
it's a stronger fasten. Yeah. That'll hold much better through
against across the grain.
We're just using a compressed air nailer. Oh we're actually almost out. So
it's a compressed air wire coil gun and
super easy load.
Makes you double double take everything you see on YouTube or
the internet right? Super easy. Oh look at that it just popped right in
because they turned the camera and did nine shakes.
Now this is the inside of the bed
so the soil will actually push up against this.
These nails really just have to keep this in place.
So next thing we're doing is putting these brackets on the corners just to
stiffen it up. Do you think you should have got bigger
ones? No these are good. It's actually good enough. These are
good yeah. It goes right through the tin.
You do both sides right? Like all four? Yeah. Yeah. And and and down the bottom?
Yeah and we'll flip it. All right so now we're just going to flip
it and do the same on the other side. So this
lived as a barn for about 80 years and then now it's going to live as a
garden bed hopefully for another 80. But when you use barn reclaimed wood
you get different sizes right? People used you know just whatever
they could cut back in the day. So this is just that much smaller than that.
We have this here so we'll just basically hide that. This
will be the bottom of the bed. But I guess that's what you get when you
just use reclaimed recycled barn wood. You get what
you get. But I actually think it looks nicer
actually than brand new. It looks rustic. Looks like it's been
there for a long time. We're going to put the last brackets on
and then we'll transport it over.
and every brand holds a new end
eyes on the road don't lose control i'm speeding fast to chase my soul i'm
driving motions high and low holding on
neon lights in the fast lane light riding high reaching for the sky
i had it all but lost and fell back down
spent my time playing the game where every single day was a losing battle
and every drink was a dead end
lose control i'm living fast i've lost my soul i'm
driving to get away running through emotions high and low
okay
so the wife said that's the unit you drive and sit in stationary with your
leg up and and that's what's bothering me and
it says to fix that you have to uh you have to rest it
constant rest and you know me i can't rest anything
you know what i mean so best part about this
is this was just on a facebook marketplace one day
bunch of free tiny little crushed up pea gravel
so i grabbed it this was like three years ago
put it in the corner of my driveway i've just been parking the back of the
trailer over top of it figured i'd use it at some point
well this is the easy way to level we're basically just
on the high side dig a trench i'm gonna fill it with gravel
so there's no soil contact with the wood
let the sun shine in the day i'm trying to make this darkness go
away i'll paint with colors and i'll sing until my lungs give up
let the sun shine in the day leave my windows open so that i can
hear the sound of people talking the wind blowing in the trees
oh i will open up my eyes so i can see the light
oh and i'll try to spread my wings so i can fly
oh and the darkness starts to fade feels like things are gonna go my way
i'll let the sunshine in the day i'm gonna let the past be filled with smoke
so there we go so that's two of them we're gonna put two more there
we're gonna put trellis between them so we want five feet
between them that'll put a nice roughly
seven eight foot arc on the trellis the beds aren't
you know level with each other but they're level with the ground and that's
totally fine i don't care about that i don't want to raise all this up or
lower all that down too much this is just garden beds it's not a
house foundation or anything like that but i think so far
pretty good
no oh i'm definitely putting that in the video
are you oh yeah no you're not oh it's funny
it is funny i don't i don't mind making myself look dumb
yeah i think people actually like it yeah because it looks real it's real
yeah well look what i've done yeah look at that big gummy
this looks lower but it's higher right even though it looks
lower yeah and it'll it'll like settle oh yeah
this side's probably high with the stones i guess
bang on it looks higher but it's not i know and it looks like it's done
but when you look at that that's how deceiving it is
yeah it looks like it's hot
all right so here we go these are the final beds
and now we're filling them with wood make that wood core
raised bed it's a lot of material that goes into that
so we might as well use all the wood that we have around
and we've been filling some of this one up
so just all the woody debris we want that on the bottom
that'll help absorb moisture and hold it in then we put
really hot nitrogen on top of it so we're going to go get a
fresh load of horse manure from my sisters
and that'll help break it down faster and we expect it's going to do a lot of
settling in the first couple years so i may not wood chip the top of this
because it's going to probably sink down a good foot or two in the first year
and then probably next year we'll probably put a good six inches
eight inches of wood chips on top and grow no-till gardening
in these hugel raised beds and the last thing we're going to do is
we're going to put trellises between the beds
so we can walk underneath squash hanging down that kind of thing
we can really maximize vertical space we'll probably still grow the tomatoes
on the back fence there because tomatoes when
they're already starting three feet off the ground tomatoes are
just going to be too high to harvest it'll be annoying so any kind
of climber any really tall plant will probably still go in the annual
garden back here in these beds and these uh brand new
raised garden beds will be mostly for stuff
like beets and salad greens and peppers and that kind of thing so
hope you enjoyed this is massive raised beds
done on a budget using recycled wood and metal that would have otherwise
ended up in a landfill somewhere so now they get to live out the rest of
their existence in a garden bed