Well, from what I saw on the plans, we have geotextiles but they are over 20 years old... And some underground walls 3m deep!! In short: I can't imagine the work of earthworks, moreover it would be necessary to tear off macadam and a terrace to deal with! In addition, this will not prevent infiltration...

Is it possible to waterproof the walls of the crawl space? In other words: is it possible, recommended or strongly discouraged to apply a water-repellent treatment to the walls of a crawl space? The walls of our crawl space are often wet to the point of wetting the ground for several meters in the event...

Hello, After some research on google about the manufacture of wind turbines, I often fall back on this forum. So this is where I come to ask for your help. thank you in advance for the help you want to give me Mickael Hi Mickael Something to improve the performance of the stove...

Hello everyone A simple mechanism :) as a variant of wind turbine speed regulator a wind turbine with variable pitches 1.for a significant wind resistance at rest 2.for the reduction in speed by erasing the blades the blades pivot on their axes depending on the wind pressure, with a spring...

:? Hi tertous, I often forget to turn off the switch on my power strips in the evening, or during the day, when I go shopping. So, I would like a power strip, which shuts off after say 10 minutes, in case of low current consumption. The level of this low consumption should be...

Thank you So a slight overpressure in your house With a double flow by having a stronger motor at the intake than at the suction its must work or by playing on the flow regulators in the suction pipes and on the openings at the window level. Puree to quantify the...

Hello Would a double flow VMC equipped with a HEPA filter be enough to purify the stale outside air (phyto product...)?. FYI: For the moment I am equipped with a single flow VMC, the outside air goes directly into the house http://fr.wikipedia.org/wiki/Filtre_HEPA I found this: A m...

Yesterday, I came across the opinion of an Internet user on the ciao.fr site, and what I read amazed me by its simplicity: In a house heated by a closed fireplace, the principle consists of bring in a large flow of fresh air from outside (or from a basement) just under the fireplace of ...

Cuicui is the name APPER uses for a solar drain system. What's funny is that, according to my plumber, drain systems were invented AFTER pressure systems. It's a bit like the "paradox" of 4-speed and 2-speed engines: the simplest was invented after...

excellent! Thank you for your answer! (and sorry to answer so late but I don't currently have access to the net during the week) I wanted to do some calculations but I didn't know where to start... Your estimate seems very realistic to me. But couldn't we increase the radius of the wheel, for example...