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DIY Construction Barrier

What kid (and adult! 😉) doesn’t love getting out in the dirt getting dirty and moving some dirt around. Feeling the dirt run through your fingers and using a toy dump truck to move dirt around while the warm sun beats down sounds like an amazing day outside. Bring that joy inside for your kids construction themed party!

This DIY is a construction barrier that is used all over cities and towns to keep people from going into places they shouldn’t. This fits right in with a construction themed party and is the perfect dimension to put on a table. If you’re feeling adventurous you could even scale this DIY up and make them larger!

DIY Construction Barrier | Hello Invites

Using only a few items – foam core, a wooden dowel and some craft paint – you can make this cute DIY yourself!

DIY Construction Barrier | Hello Invites

DIY Construction Barrier | Hello Invites

DIY Construction Barrier

For this project, you’ll need:

  • 20” x 30” piece of foam core
  • 7/8” diameter dowel that’s 36” long
  • Craft paint: black, orange, yellow
  • Exacto Knife
  • Ruler
  • Painters Tape
  • Chopsaw or Hacksaw (to cut the dowel down)
  • Glue

Finished project size: 20” wide by 17” tall

DIY Construction Barrier | Hello Invites

To start this project you’ll want to get everything cut down. Here are the cuts needed out of the foam core:

  • 3 x 20” x 2″
  • 4 x 7” x 1″
  • light image (3 pieces total – see below for template)

The light is composed of three pieces of foam core. Here is a light printable template that you can print out, cut out and trace onto the foam core to cut out.

Here’s how I arranged mine:

DIY Construction Barrier | Hello Invites

You will have extra foam core left over – save it for your next DIY project!

Foam core is best cut with an exacto knife as scissors can crush the foam core and won’t give you clean cut lines.

You’ll also need to cut the dowel down. I cut my dowel down into two pieces – a 13” piece and a 14” piece.

Next you’ll want to glue your light together. Stack the three pieces on top of each other with a dab of glue and let dry.

DIY Construction Barrier | Hello Invites

Next you’ll want to tape the large slats for the cross bars that are orange and white. Make a small pencil mark on the top and bottom of each piece at 1.75” intervals. Then take your painters tape and tape cross sections. You’ll start at the 1.75” mark at the top and tape to the 0” mark for the first one so it creates a diagonal. Continue and finish all three pieces this way.

DIY Construction Barrier | Hello Invites

Now it’s time to paint! The colors I used are: Anita’s Acrylic Pumpkin, Apple Barrel Banana and Black. It’s paint I just had on hand, but choose any colors you think will work. You’ll want to paint the white parts on the slats orange, the light piece – top part orange and bottom part yellow and the dowels and four other small slats black. You’ll need multiple coats for each item.

DIY Construction Barrier | Hello Invites

(My super classy painting cardboard station. 😉 )

Once everything is painted, let dry. Once dry, pull the painters tape off the slats. You’ll want to be really careful because depending on how sticky your painters tape is, it can pull off the top layer of the foam core and we don’t want that. Carefully erase any pencil marks that still remain.

DIY Construction Barrier | Hello Invites

Now it’s time to assemble! Take the three slats and lay them upside down so the painted side is face down. On each slat mark 3” in from each edge. This is where you’ll place your dowels. Arrange the slats roughly 1.5” apart and the dowels on top. Add a small dab of glue on each mark on the slats for where the dowel will go. The longer dowel should be on the left side and even with the top board. I did this against a wall to make sure that the bottom of my dowels would be level so it wouldn’t wobble when finished. Let dry.

DIY Construction Barrier | Hello Invites

Once dry, stand your DIY up and brace it on something if it doesn’t stand on it’s own. On each of the bottom braces, make a mark at 3.5” (center of each one). Add a dab of glue at that mark and place on each side of the dowel for the bottom stand braces. On the dowel that is even with the top, add a dab of glue and place the light on top. Let everything dry.
DIY Construction Barrier | Hello Invites
DIY Construction Barrier | Hello Invites

You’re finished!

DIY Construction Barrier | Hello Invites

DIY Construction Barrier | Hello Invites

DIY Construction Barrier | Hello Invites

DIY Construction Barrier | Hello Invites

DIY Construction Barrier | Hello Invites

I hope you enjoyed this DIY! If you create this DIY, please share it on social media! Tag us using @helloinvites and the hashtag #helloinvitesparties so we can see them!

See all construction themed party decorations here.

Have a great party!

DIY Construction Barrier | Hello Invites

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