The masters of sandwich wall production

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The masters of sandwich wall production

A cold climate and expensive energy have made Finns the masters of sandwich wall production. Elematic is the world's most experienced supplier of circulating lines for the production of sandwich wall elements. To date, tens of lines have been delivered to customers in many countries, from the Northern hemisphere to the hot southern part of the globe.

Elematic is the world's most experienced supplier of circulating lines for the production of sandwich wall elements. To date, tens of lines have been delivered to customers in many countries, from the Northern hemisphere to the hot southern part of the globe. When planning the factory process, Elematic's extensive experience is of primary importance. Only with the right solutions can you achieve maximum productivity and ensure cost-efficiency and competitiveness. The reasons for Finns having reached fame with the sandwich wall technology lie in the climate: the freezing winters of Finland combined with the costly energy have forced constructors to build houses with sufficient insulation since a long time back. Today, the benefits of the energy saving sandwich wall that keep the valuable heat inside the building have been recognized in countries with a hotter climate as well - insulation can also keep the heat out and in fact save even more energy than in colder countries.

Precast causes low environmental burden

The most efficient way of producing sandwich wall elements is in a controlled factory environment. The advantage of controlled concrete production in enclosed factories becomes apparent as each part of the process can be easily monitored and controlled due to the operations being repetitive, plus being performed at one location. Precast production is one way to reduce the total amount of waste and the recycling of waste can be organized more effectively. The factory environment also leads to efficient energy utilization, in other words, the heat resulting from the production process is also utilized in the heating of the building. As a result of industrial production, the environmental burden caused by the manufacture of precast concrete elements is reasonably low when compared to producing the entire building on-site.

Caring for customers' varying circumstances

"Elematic's solutions have been tested in practice for decades and have been proven highly functional. In the development of these solutions, the often difficult circumstances of many precast factories have been taken into account. The automation and mechanization as well as the technical components and other details are on a moderate level that is manageable for the customer", describes Mr. Esa Enqvist, Director of Sales and Marketing at Elematic. The key advantage of circulating lines is that molds no longer need to be left to dry before the next batch is started, providing a substantial increase in productivity. Elematic technology also allows you to change product specifications or start making new products with little effort, as well as complete more work phases at the factory before shipment.

An entire series of walls with one mold

Precast company Betoniluoma Oy in Finland has been producing concrete products since 1953. The company has recently acquired a brand new circulation line from Elematic for the production of sandwich wall elements. Says Mr. Raimo Luoma, Managing Director of Betoniluoma: "We are enormously satisfied with the many advantages the circulation line brings to our production. One of the major benefits is that we can make entire series of wall elements with one mold and so minimize mold costs! If and when we want to change the product we are making, also this can be done with ease." According to Mr. Luoma, another important achievement with the new line is that workers can stop running around the factory for parts and materials. Now it is the molds that circulate and the workers remain put at their own point along the line. The work becomes much more efficient and an additional bonus is that the factory stays cleaner and so also considerably safer and more pleasant.

Energy saving and friendly to residents

"We are developing an entirely new product, a series of sandwich wall houses that are energy saving and friendly to live in. At the Vaasa Housing Fair on the west coast of Finland this summer, one of these new houses was on display and raised overwhelming interest in the public", says Mr. Luoma. Our other contribution to the fair was a beautiful sandwich façade apartment building by the sea with a white exposed-aggregate finish. "We emphasize that the sandwich wall elements of these houses have been produced in factory conditions under strict control and this ensures top quality. When building cast-in-situ, it is close to impossible to achieve the same level of quality as in precast production."

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