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  • COMMAIK
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  • The Villa
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    • The upper floor
    • The first floor
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    • The garden
  • Stories from the construction
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  • Draining the basement with a new horizontal barrier – conclusion after 9 months

    Keller trocken legen fazit nach 9 Monaten www.commaik.de b - Draining the basement with a new horizontal barrier - conclusion after 9 months

    It is now nine months since our old damp cellar was drained with a retrofitted horizontal barrier – time to take stock. In a building over 100 years old like ours, which was built without the foundation waterproofing that is common today, moisture in the basement is a real challenge. As the rising damp in our cellar became increasingly visible, I installed a new horizontal barrier with injection cream in the thick cellar walls to create a barrier against the ground moisture. In this article, I show in detail what effect the moisture barrier has had, where problems still exist and what other measures seem sensible to keep the cellar…

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    Hardy palms for the garden – these 5 species can withstand frost down to -15 °C

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    Balkonkraftwerk optimieren Neue Module und 220V Batteriespeicher fuer maximale Effizienz www.commaik.de blog - Optimize balcony power plant - New modules and 220V battery storage for maximum efficiency

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    Poolheizung Upgrade Von EPDM zu Ripp Rohr – effizient mardersicher www.commaik.de 074 - Pool heating with ribbed pipe systems - Build your own solar heating for the pool

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    13. April 2025
  • Drainage – retrofitting a horizontal barrier yourself

    A gloved hand holds a white stick near a moldy wall. On the wooden floor, a silver packet labeled NOVUstick für nachträgliche Horizontalsperren contains 10 sticks for creating an effective horizontal barrier and improving drainage. www.commaik.de

    In addition to draining the outside of my villa, which was built in 1900, some of the basement walls also need to be sealed from the inside. The horizontal barrier in the 36 to 80 centimeter thick walls is no longer in tact. This time I dared to install a retrofit horizon blocker and used the NovuSticks for this. Here I describe my approach and my experiences.

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    MOVA Z60 Ultra Roller Complete im Test Staerkster Saug Wischroboter www.commaik.de 018 - MOVA Z60 Ultra Roller Complete test: Fully automatic cleaning with AI and hot water

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    15. October 2025
    A small backyard swimming pool with clear blue water is surrounded by patio stones. The covered outdoor seating area, topped with solar panels, offers a perfect spot for winterizing the pool. A palm plant sits in the foreground. www.commaik.de

    Winterizing the pool – putting pool technology into operation and adjusting water values

    29. January 2024
    ECOVACS GOAT A1600 RTK im Test Kabelloser Maehroboter mit KI RTK Navigation www.commaik.de 008a - ECOVACS GOAT A1600 RTK: The innovative robotic lawnmower without boundary wire in the test

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  • New submersible pump defective – draining the cellar

    A red pump, an orange bucket, two white plastic bottles, and a blue hose rest on the ground against a rough, stained concrete wall with some water dripping from above. The scene highlights the essential role of the pump in this setup. www.commaik.de

    Two months ago I built a sump pit with a sump pump in my cellar to collect the water seeping into it and further dry out my cellar. A submersible pump with an integrated float switch should then pump the water out via a hose. Unfortunately, things turned out quite differently. The new submersible pump in the pump sump was defective after just a few weeks. Read this article to find out why the pump was destroyed and how the draining process continued.

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    parkplatz mit rasengitter und gabionen 12 a - Build your own parking lot with gabions and lawn grids

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    5. October 2014
    Partially built garden kitchen with light-colored gas concrete blocks, open walls and unfinished columns on a concrete foundation. Trees and a wire fence can be seen in the background. www.commaik.de

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    13. November 2021
    A patch of grass with a hole dug in the soil, exposing underground cables for a robot lawn mower. Nearby are an orange cable locator tool, wires, a white hose, and two blue wire connectors. www.commaik.de

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    19. January 2024
  • Drying basement – pump sump | build septic tank yourself

    Keller trocken legen pumpensumpf bauen 17 a - Drying basement - pump sump | build septic tank yourself

    I built a sump pump at the lowest point of my house to help drain my cellar in the long term. The water is collected there and pumped out automatically. In this article, I describe how I built the soakaway and what I had to pay particular attention to. I go into the advantages and disadvantages of this method of draining the cellar and of course also write about whether this method works. Drying out the basement of my 120 year old house has been going on for 12 months now. In the interior, I have previously used the injection method to dry out. The areas above the barrier layer…

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    Keller unter Wasser War die Trockenlegung umsonst a - Draining and waterproofing basements: Effective measures against moisture and flooding

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    24. November 2024
    Partially built garden kitchen with white gas concrete blocks forming the base, set on a concrete patio. A black grill stands against the back wall, while construction tools and materials are scattered around the area. www.commaik.de

    Build your own garden kitchen – Masonry walls with aerated concrete

    26. September 2021
    A sprinkler provides irrigation to a lush green lawn in front of a stone building with a barred window and garden tools hanging on the wall in the background. www.commaik.de

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    27. October 2019

Autor & Blogger

In this construction diary, we share our experience in the renovation and modernization of our Art Nouveau villa and hope to give a few suggestions and tips to some of you.

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