Highly insulated building blocks and panels
manufactured from Autoclaved Aerated Concrete (AAC)
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Copyright © - Eco Stein Ltd.
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Eco Stein Ltd. - Importers and Distributors of Autoclaved Aerated Concrete (AAC) Building Blocks and Panels, branded under the name Ytong. These blocks and panels are manufactured by the World Leader in the field of AAC production.
We also manufacture complete wall elements according to customer specification, ready to be assembled.

· NSAI Standard - I.S. EN 771-4 : 2003
· ISO 9001 : 2000 - Production Quality Control
· High compressive strength - typically 2.5 N/mm2 - concrete ceilings can be used
· Lowest ë (Lambda) value for solid blocks - 0.08 W/mK
· U - Value 365 mm wall single leaf = 0.23 W/m2K
· U - Value 480 mm wall single leaf = 0.16 W/m2K
· Breathability ensured
· 100% weather proof using our light weight, water repellent renders
· Shortest learning time - on site advice provided
· Only simple hand tools required
· Easy and simple installation of services such as wiring and plumbing
· Environmentally friendly - fully recyclable - non toxic - does not release any gasses

Ytong products, though only new to the Irish building industry, have a long history in continental Europe. For more than 70 years home builders have used these highly versatile blocks to construct their houses.
Autoclaved Aerated Concrete and its production process was already patented in 1924 by the Swedish Architect, A. Eriksson. Development of this product came about after the First World War, due to the need for a building product that could cheaply and easily be manufactured in large quantities with consistent properties, one of which had to be the high thermal insulation value that today is still unequalled in a solid block.

Over the years, the manufacturing process has been refined and advanced, making it possible to offer a wide variety of products. Every building element needed, such as walls, floors, lintels, ceilings and roof panels, in the construction of a house, can now be produced from AAC, making it possible to build a house complete from Ytong. And because the high insulation values are inherent to all Ytong products, the occurrence of heat bridges is kept to a minimum.

The light weight of Ytong makes it possible to produce large elements that are easy to handle, making the building process more cost effective by reducing building time. Since Ytong is an aerated concrete product, having a weight of only 1/5 to a 1/4 of that of ordinary concrete, it also uses only that amount of aggregates to produce it, reducing the pressure on our environment.
Energy consumption to produce Ytong is also only a fraction of that needed to produce other building materials, benefitting the environment still further by reducing CO2 emissions in the production process of this versatile building material.