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crawl space ventilation / Ventilation vide sanitaire — image 1
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crawl space ventilation / Ventilation vide sanitaire

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This system allows you to ventilate a crawl space while leveling the ground.

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The system allows the earth of a house to be leveled while allowing ventilation of the crawl space.
The bottom is empty so that the rain can penetrate the ground and not flood the crawl space.
The system is modular, you can put as many modules as necessary in order to reach the necessary height and then finish with a grid.

I made this design because in stores what I found was overpriced and unjustified for a piece of plasticPreferably print in PETG in order to better resist external aggressions, especially for the grid which will be exposed to direct sunlight.

You can either screw the pieces into the wall or glue them with putty.

Important: Make a bed of gravel under the bottom of the first module so that rainwater can gradually infiltrate.

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