Build a light well attachment out of concrete

What you need:

• 32 grit gravel
• Crushed sand
• Screed concrete
• water
• Bricks
• Concrete tub
• Trowel
• Frankfurt shovel
• Rake
• pimple
• wheelbarrow
• Tension cord
• Spirit level
• Shuttering boards
• Screw clamps
• Nails

That brings you a light shaft

• If you install a light shaft in front of your basement window, sunlight falls into your basement and you can use the room as a basement. So you simply gain living space.
• With a light well attachment, not only light but also fresh air comes into your basement room. The room thus gains twice the quality of life and can be viewed as a fully-fledged living space.

How to prepare the light shaft in front of the basement window

• Schacht before that window the end. To be able to work better, you should dig about 50 centimeters more on all sides.
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• Dig about four inches deeper. Fill under the shaft first with 32 gravel and then with crushed sand.
• Concrete a floor slab for the light well attachment made of screed concrete. Let it dry out for at least 72 hours.


Create a light shaft in front of the basement window

In the case of structural changes, as well as in the case of a new building, it may be necessary to ...

How to build the light well attachment out of concrete

• Use sound boards to create the shape of the light shaft attachment. Connect the sound boards with nails and screw clamps.
• Pour screed concrete into the form and let it harden for at least 48 hours. You can then remove the sound boards.
• To brush Paint the manhole with bitumen to make it watertight. You can get the color in building materials stores.
• Fill outside the light shaft attachment with the excavated earth. Compact the earth with a plate compactor.
• You can cover the light shaft with a grille. You can get this in hardware stores or in building materials stores. If it doesn't fit, you can cut it to size with a flex and smooth the edges with a file.