Cheap DIY Styro Foam Brick Walls – Individual Bricks

I am all for recycling and using and what is considered trash in fun craft projects.. I feel I need to point out that in my craft based professions (costume design and construction and RPG & LARP Accessories) I do not use trash but for making terrain which can be costly and other family crafts, I am all for using old packaging and cardboard, empty toilet roll tubes, lids and caps of bottles.

I will be uploading a series of DIY tutorials for making all sorts of D&D terrain using simple items that most people have on a daily/ weekly basis.

This is an alternative to the one piece wall shown in another tutorial. This is more like actual brick laying or lego building. It takes longer, gives a great finish and s good if you do not have access to an old soldering iron or are concerned about using one. I would recommend this rather than the soldering iron version if you are doing this as a family project with the kids.

You will Need:

  • Craft knife
  • Pencil
  • Metal Ruler
  • Foam packing sheets
  • cardboard offcuts
  • foamboard offcuts
  • acrylic paints
  • pva glue
  • paint/ water containers
  • paint brushes
  • Kitchen towel

First take your foam sheets and cut them the full length into strips around 1 cm width.

then cut the strips into brick lengths. I would recommend not measuring here. I varied them and did it by eye so a sit does not look too uniform.

Next make your foamboard base. This needs to be from 2 – 4 cm wide and can be as long as you want each wall section and perhaps some corner sections?

Do not worry about being perfect in your cuts – I always cut away at an angle on foamboard bases ..

Next start laying your bricks. Apply plenty of pva on any side that are touching any other sides. You can always wipe away excess but you want a solid wall. You can choose to build part walls and broken walls for ruins or for buildings finish at same level. Messy ‘grout’ lines are great but wipe any excess glue from brick faces.

Let dry

Then go back over carefully with PVA / Mod Podge to ensure it is solid and sticks together well.

Once dry it is time to paint.

Start with a base of black. make it a mix of wash and neat acrylic so you get a good covering but do not take away any detail.

Once dry repeat the dry brushing as per my earlier tutorials. We used a dark grey, light grey and white here, and as the colour lightened the brush was dryer. As previous, finish with a black thin wash and once that is all dry a coat of pva with a water mix to seal it all.

These have not actually had their final wash yet but I will upload them once they are finished. We have a lot more to build!

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