Plastic formwork for in-situ concrete is a modern technology that is becoming increasingly popular in construction industry. It is a reusable plastic framework designed for casting the in-situ concrete wall and slab. Unlike traditional formwork, which is constructed using timber, metal or plywood sheets, the plastic formwork is lightweight and easy to handle, making it ideal for use in small and medium construction projects. Plastic formwork is made from a high density polypropylene material that is durable, strong and resistant to wear and tear. The plastic panels are designed to interlock with each other, ensuring a tight fit that eliminates the need for screws or nails. The formwork is flexible, which allows it to be used for curved structures, unlike traditional formwork which requires time-consuming and complicated customisation. The plastic formwork system is easy to install, reducing construction time and costs. The panels can be cut to size and shape according to the specifications of the project, and they are easy to transport and store. The panels can be reused multiple times, making them a cost-effective and sustainable alternative to traditional formwork. The plastic formwork system is versatile and can be used in various applications, including the construction of walls, columns, slabs, beams, stairs and foundations. It is suitable for both residential and commercial projects, and its lightweight design makes it ideal for remote and hard-to-reach locations. Using plastic formwork for in-situ concrete has several benefits. Firstly, it is environmentally friendly, as it reduces the amount of timber and other materials used in construction. Secondly, it is cost-effective, as it requires less labour and offers a higher level of efficiency. Thirdly, it results in a better quality finished product, as the plastic formwork allows for greater control over the concrete pouring process. In conclusion, plastic formwork for in-situ concrete is a modern technology that offers a sustainable and cost-effective alternative to traditional formwork. Its lightweight design, versatility and durability make it a popular choice for construction projects of all sizes. The technology requires experienced professionals to operate and requires stringent testing and certification. Therefore it is important to work with professionals with expertise in plastic formwork in order to achieve the desired results.