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  • COMMAIK
    • Contact Form
    • Imprint
    • Privacy
  • The Villa
    • The top floor
    • The upper floor
    • The first floor
    • The cellar
    • The garden
  • Stories from the construction
    • irrigation
    • Photovoltaics
    • Pool and terrace
    • SmartHome
    • The planning
    • The demolition
    • The installation
    • Machinery
    • Restoration and working techniques
    • This and that
  • Videos
    • Build & Renovate
    • Irrigation
    • Carport
    • Gabions
    • Garden
    • Garden kitchen
    • Pool
    • Smart Home
    • Drying
    • Tutorials
  • TESTED & RATED
    • Heating solutions & energy
    • Outdoor & Garten
    • Pool & garden kitchen
    • Security & Smart Home
    • Tools & DIY
  • Commaik Music
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  • Building a BPC and WPC terrace on a slope – My new pool terrace with recycled boards

    A backyard features a rectangular swimming pool surrounded by a wooden deck, a small covered terrace with a bar, a palm tree, garden beds, a lawn, a greenhouse, and a white house with stone siding. www.commaik.de

    BPC decking, slope, pool construction and substructure – in this post I show how I built my new pool deck with recycled BPC boards, solid larch beams and aluminum profiles. The pool is located on a slope, which places special demands on stability, gradient and load-bearing capacity. I share my experiences with BPC and WPC, explain the differences in installation and show what really matters when it comes to a durable, resilient decking construction. If you want to build a patio yourself, you’ll find lots of practical tips and insights here.

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    Partially constructed garden kitchen with unfinished concrete block walls, a wooden roof, and a grill inside. The structure sits in a backyard, surrounded by trees visible in the background. www.commaik.de

    Build your own garden kitchen – solid half-timbered roof with OSB and welded sheeting for the outdoor kitchen

    22. March 2024
    A red and black portable parking heater is displayed on a table with its components, including hoses, wires, a remote, clamps, a silver exhaust pipe, a vent, and a small black bottle in a wooden workshop setting. www.commaik.de

    Diesel parking heater for animal house, workshop and camper: My test of the Vevor 8kW heater

    3. January 2025
    A fire barrel with flames rising from the top stands outdoors on dirt, with stacked firewood neatly arranged in the background. www.commaik.de

    Build your own smoke-free fire barrel: DIY instructions from a 200 L oil drum with secondary ventilation

    17. October 2025
  • Pool heating with ribbed pipe systems – Build your own solar heating for the pool

    Black pipes on a rooftop pool heating system in the foreground, with a backyard swimming pool, lawn, stone wall, blue shed, and covered seating area in the background on a sunny day. www.commaik.de

    Pool heating, solar absorber, Ripp pipe system and the efficient use of solar energy – in this article I document the complete conversion of my old EPDM pool heating system into a modern Dolphi-Ripp solar heating system. After more than ten years of practical experience with EPDM mats, I will show you why the change was necessary, which system is convincing today and how the new solar-based pool heating is proving itself in everyday life. Step by step, I describe the planning, installation and initial results – including technical details, comparisons and practical tips for installing a solar absorber on the roof.

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    A man stands in front of a backyard with a pool, thinking. Two Reolink Duo 3 security cameras—PoE and WiFi—are displayed, showcasing the latest in Reolink surveillance. The Reolink logo appears at the top right. www.commaik.de

    Reolink Duo 3 WiFi & PoE review: Smart UHD surveillance camera with 180° field of view

    29. January 2025
    A backyard features a rectangular swimming pool surrounded by a wooden deck, a small covered terrace with a bar, a palm tree, garden beds, a lawn, a greenhouse, and a white house with stone siding. www.commaik.de

    Building a BPC and WPC terrace on a slope – My new pool terrace with recycled boards

    14. May 2025
    A man stands beside images of a backyard with a pool. A Reolink Trackmix PoE security camera is shown on the left, with the Reolink logo at the top right and smart home icons above the garden scene. www.commaik.de

    Reolink TrackMix PoE – 4K dual lens surveillance camera review

    20. July 2024
  • Laying pool edging stones and building your own pool terrace for the perfect pool surround

    A rectangular outdoor swimming pool with clear blue water is surrounded by gray tiled paving and pool edge stones. There is a small palm tree, green grass, and hedges in the background. Some tiling work appears unfinished on one side. www.commaik.de

    When building the pool, the correct laying of the pool edge stones and the construction of a beautiful and functional pool terrace played an important role. In this article, I describe how I selected the materials, prepared the substrate, cut and glued the stones. I also show how I laid the terrace loosely and built a platform as a transition to the garden terrace. Building a pool has been one of my biggest DIY projects. In this article, I would like to tell you about my experiences with laying pool edging stones and building the pool terrace.

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    An empty, bright blue swimming pool with a smooth pool liner, gray steps in one corner, and a circular drain on the wall. The outdoor pool is surrounded by unfinished ground and scattered greenery. www.commaik.de

    Laying, gluing and welding pool liners correctly

    10. February 2024
    A large empty pool under remodeling, featuring unfinished walls, a rolled-up white liner in the center, scattered debris on the floor, and a wooden ladder leaning against one side. www.commaik.de

    Converting a pool – dismantling an old steel wall pool

    8. March 2021
    A clear outdoor swimming pool with sparkling pool water reflects sunlight, surrounded by palm trees and neatly trimmed bushes on a bright, sunny day. The wooden pool deck features a depth marker reading 1.0 M. www.commaik.de

    6 steps to perfect pool water after the winter break

    14. February 2025
  • Build your own garden kitchen – worktop and jamb for the outdoor kitchen

    Partially completed garden kitchen with unfinished wooden cabinets, a dark worktop, an open window, and power tools on the counter. Trees and buildings can be seen outside. www.commaik.de

    After completing the electrics and water supply in my outdoor garden kitchen, it was now time to install the worktop. I wanted to build the work area of the outdoor kitchen in such a way that I would have individual zones to work in for the barbecue, the bar and also the washbasin area. In this post, I describe in a step-by-step guide how I used OSB boards and Fermacell boards to create a stable and moisture-resistant base for the vinyl tiles. These measures were necessary to make the worktop robust, scratch-resistant and easy to clean, so that it meets the requirements of an outdoor kitchen.

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    A portable hcalory diesel heating unit sits inside a metal box with an open lid, next to a light gray wooden wall. Various hoses and a fuel tank are visible, along with ventilation pipes extending from the box. www.commaik.de

    Hcalory TB MAX 8 kW diesel heater in a practical test – compact all-in-one heater for camping, workshops and motorhomes

    9. November 2025
    A man in a black jacket points to the inside of a black, box-shaped electronic device with wires, next to a similar device with the inscription "KROAK TB2" on a gray background. www.commaik.de

    Kroak TB2 diesel parking heater 8kW: Unboxing, test & possible applications

    22. January 2025
    A black Reolink NVR device is shown against a gray background. A large text in German reads "Hard disk retrofitting". The Reolink logo appears in the bottom left corner. www.commaik.de

    Expand Reolink NVR storage space – Installing and configuring hard disks correctly

    26. February 2026
  • Designing a smart and efficient garden kitchen – installing lights, sockets and water connections

    Modern garden kitchen with a wooden roof, barbecue grill, counters, and bar area illuminated by soft yellow and purple LED lights, set against a twilight sky for an inviting light-filled outdoor retreat. www.commaik.de

    The development of my garden kitchen has made significant progress, particularly in the areas of electrical installation, water installation and the integration of smart technologies for lighting and control. I’d like to give you some insight and practical tips on how I overcame these challenges, from carefully planning the lighting to installing smart sockets and light switches that enable flexible and efficient use.

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    A close-up of a black plastic pipe connected to a rusted metal fitting, surrounded by wet, muddy soil and remnants of an old clay pipe—evidence of recent underground plumbing or pipe repair work. www.commaik.de

    A new HT drain is tied into the old clay pipe

    2. January 2018
    An irrigation control system with pipes, valves, and wires is installed beside a stone-filled trench near a raised bed in the garden. Purple flowers and soil are visible in the background. www.commaik.de

    Building a raised bed on a slope with gabions and automatic irrigation

    2. August 2020
    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
  • Renovating the garden terrace: switching from wood to WPC and aluminum profiles

    Close-up of a partially constructed wooden deck, ideal for a garden terrace renovation, with a drill, screws, hammer, and metal brackets on top of the decking boards; metal framing and groundwork visible underneath. www.commaik.de

    The renovation of our garden terrace has been in the pipeline for some time. The larch wood of the substructure could no longer withstand the loads and slowly disintegrated. So after ten years under the open sky, it was time to give our terrace a fresh update with WPC boards. In this article, we take you on a journey of renewal – from the initial idea to the finished result.

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    An outdoor Rain Bird irrigation control box with wiring is surrounded by gravel, drip tube, and plants, indicating the installation or maintenance of a garden watering system. www.commaik.de

    DIY ornamental bed with automatic Rain Bird drip tube irrigation

    2. February 2024
    A cozy wooden cabin interior with a red Hageer wood stove burning brightly and a parking heater nearby, next to an indoor fire pit. Snowy trees are visible outside through large windows and a wooden fence. www.commaik.de

    5 diesel parking heaters compared: which one is right for you?

    19. February 2025
    The dreame a1 pro, a modern robotic lawn mower with a sleek grey design, operates on a grassy lawn, with a building and potted plants visible in the background. www.commaik.de

    Dreame A1 Pro in test – Cordless robotic lawnmower without boundary wire & RTK

    24. May 2025
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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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