From the page: A wall asking for a fresh start
Idea 3
Homemade wall filler for holes
Before industrial wall filler existed, carpenters and masons of the past mixed flour, lime and water to fill flaws in wood and walls. It works because flour, cooked in water, releases starch that sticks like a natural glue, and the plaster or lime hardens as it dries, forming a firm, sandable surface.
What you need
- 2 tablespoons of wheat flour
- 1 cup of water
- 1 tablespoon of plaster or hydrated lime (if you have it)
- Wooden spoon for mixing
- Putty knife or old knife
- Fine sandpaper
How to make it
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1
Dissolve the flour in a bit of cold water first, so it does not clump — this ensures a smooth paste, without lumps.
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2
Take it to low heat with the rest of the water, stirring constantly, until it becomes a thick porridge. The heat activates the starch, which is the recipe's "binder."
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3
Turn off the heat and mix in the plaster or lime while it is still warm. It is this powder that gives body and makes the filler truly harden as it dries.
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4
Let it cool and apply it with the putty knife to the holes and flaws in the wall, pressing firmly to fill everything.
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5
Wait for it to dry completely — it may take a few hours — and sand lightly until it is level with the wall.
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6
Wipe with a damp cloth to remove the sanding dust before any painting or touch-up.
Finishing touches
Make only the amount for the day, because the filler does not keep well once made. If the wall is large, work in sections, and only paint over it when it is dry and firm to the touch.
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