DIY Modern Minimal Concrete Planter Boxes
In that location's something about simple, straightforward concrete planter boxes that appeals to many people regardless of their way preferences. Even so, the toll tag of a solid-class concrete planter can be a deterrent. If you can relate to this dilemma, you'll be happy to learn that this simple DIY thought is not only fast, but information technology's quite cost-effective and easy. That'due south a win-win-win. Let'south get started, so you're ready for the planting flavor.
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DIY Level: Beginner
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Materials Needed:
- Four (iv) equal-sized, directly-edged concrete pavers (example shows 12" squares)
- Landscape adhesive
- Ardex feather finish (not shown)
- Concrete sealer
- Potting soil & plants
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Begin your projection on a clean, flat surface outside. I recommend some physical steps if possible, as the ascension of the nearest stride volition provide some 90-degree bending support while the adhesive on your planter box dries. Set your first concrete paver (Paver A) on its side, propped side by side to the step for support.
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Apply landscape agglutinative to the side edge of your 2nd concrete paver (Paver B). A zig-zag awarding is helpful to solidify the adherence and the method I recommend.
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Bring the glued border of Paver B close to the side face of Paver A. Straighten their alignment to as close to a xc-caste angle every bit possible.
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Adhere the edge and face up together, pushing them tightly into each other.
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Try to keep a 90-degree bending here, but don't stress about it yet. You'll finalize the angles a piddling later. This is 1 reason, withal, why information technology's helpful to utilize any nearby vertical faces – it'll help the planter stay upright solidly without having to worry virtually its falling over while the adhesive is nevertheless fresh.
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Employ landscape adhesive to the side edge of your third concrete paver (Paver C), and push button it firmly into the side face up of Paver B. Once more, exercise your best to maintain 90-caste corners, but don't be also precise quite yet. Annotation: If you desire to cease up with a truthful foursquare planter box, it'south of import to pay attending to the zipper of the side edges to the side faces, and so all sides finish up equal.
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Grab your fourth physical paver (Paver D) and employ mural adhesive to one side edge and also to the opposing side face. Keep the zig-zag of adhesive on the side face up almost the same size/width every bit the agglutinative you put on the side edge – this shouldn't be difficult, equally you'll likely have a feel for it past now.
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Line up Paver D and then that (1) the glued side edge will press into the side face of Paver C, and (2) the glued side face up will press into the side border of Paver A.
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When all sides are pressed firmly together, foursquare off each corner to a perfect 90 degrees. When the planter box is squared off and secure, exit information technology lone for at to the lowest degree 24 hours, or until the landscape adhesive cures and dries completely.
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Optional: carefully transfer the physical planter boxes to a gravel workspace so the Ardex plume finish won't mar whatever existing concrete surfaces.
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Mix up the feather cease as per package instructions.
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For each concrete planter box, I used a mixture of about 3 cups of pulverisation…
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…with well-nigh 2 cups of water.
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Stir it up.
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This is slightly more water than the instructions call for; play effectually with your ratios to become a adept peanut butter-similar consistency.
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You're going to employ the plume stop freely to the outside faces, tops, and upper half or tertiary of the interior faces of your concrete planter box.
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Start by slathering some feather finish to the inside corners. Your goal here is to encompass the seam and the adhesive.
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Load your spreader with plumage finish.
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Apply to the within wall'southward top half (or top third).
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Repeat for other within corners and walls, then move onto the four peak edges of the planter.
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On the outside walls, first make full the adhesive crack.
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To do this, work your loaded spreader horizontally over the crack, from top to lesser.
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Work out excess toward the center of the wall.
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When the surfaces near the adhesive crevice are covered, piece of work your spreader vertically to brand the agglutinative crack smooth. If y'all get horizontally over this, your spreader will always dip slightly into the crack. Your last passes should be vertical to make the scissure disappear.
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Continue to piece of work feather finish around the exterior wall, adding more to your spreader as needed.
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Add additional plumage finish to the corners; you lot can ever sand these down a little later. It'due south better to have more, with a solid roofing on the corners, than less.
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Shine the entire wall to your taste. Some people prefer a really raw concrete stop (very industrial), while others prefer more subtle ones.
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Run your spreader in multiple directions to decrease bubbling and increase interesting spreader lines. (If you like that kind of thing…which I practice.)
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Loosely check your corners and edges from multiple angles here; if you desire to smooth them out a chip, become ahead. Keep in mind, though, that also much messing around with the feather stop tin make things expect worse. Yous'll be able to sand away rough corners and edges after it dries, too.
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You can even smooth out corners with your finger, if y'all find that helpful.
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Of course, it'south up to you and your preference, only I would recommend that you don't exist too conscientious near smoothness here.
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Leaving in some of the trowel lines volition give the concrete planter a fiddling more character and that industrial aesthetic we tend to honey.
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Let the feather end dry thoroughly. Touch up every bit needed.
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Sand with fibroid to medium grit sandpaper if you desire; this isn't necessary, though.
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It simply depends on your preferences for raw industrialism aesthetics – the rougher your concrete planter box is, the more industrial information technology will likely look.
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Choose a concrete sealant that is designed for outside use.
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The sealant will probably accept a bluish-white tinge to information technology, resembling skim milk or similar. Although mayhap disconcerting, don't worry about this; when it dries, the sealant will exist completely clear and glossy.
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Sealing is rather easy; however, this stuff tends to dry fairly quickly, so your application fourth dimension might be limited. I recommend a system that will allow you lot to seal the unabridged planter box strategically and eliminate, or at least minimize, unnecessary drips of sealant. Start with a generous swipe across the top surface of 1 side. Ignore the dripping downward the sides for a infinitesimal.
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Seal the inside of the planter box on that side, beginning with the two affected corners and so covering the inside wall between them.
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Then move to the outside wall on that same side of your planter box, and seal the entire thing. Look briefly on both adjoining sides for noticeable drips and wipe them away before moving onto the side by side side.
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Repeat this method for all four sides; then do a final one time-over for any lingering drips of sealant.
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Permit the whole matter dry thoroughly. And then flip it over and seal the lesser edge – not for the concrete paver itself, only more for the very edge of feather stop on the bottom edge that may non accept been finer sealed yet. This will help to prevent moisture'south creeping up through the plume terminate from the ground when it rains or whatever.
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Place the concrete planter boxes where you want them.
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In this instance, two concrete planter boxes flank the ramp upwards to a backyard shed.Loving the mode that they expect, yet, we are planning on making four more to spread around the backyard landscape.
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Make full with potting soil and add your plants, whatever they may be. Case shows a unmarried tidal wave petunia in each concrete planter box, which will fill the acme space beautifully in simply a few weeks.
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Be certain to add together a water source, such as a sprinkler or drip organization, or take care that yous water your plants every solar day. Whatever growing affair planted higher up ground will dry faster than plants in the ground itself, due to increased wind and heat effects on the pot itself and, consequently, the soil.
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It'southward such a cool, crisply industrial look for such niggling cost and effort.
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We dearest the dissimilarity of a bright flowering plant with the grayness physical of the simple planter box. Beautiful.
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And, if you're making i, I highly recommend making at least two at the same time. Because you'll want more of them. Trust me.
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Source: https://www.homedit.com/concrete-planter-boxes/
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