The Plastering of our buildings is one of the most important processes in which we pay great attention. The final product must be perfect aesthetically, yet durable and elastic, for structural reasons.
In the buildings that we construct using the CSH building system, we do not use conventional plastering, but a very sturdy cement mixture, which is sprayed on both sides of the walls with a minimum final coating thickness of 60 mm. Note that the coating thickness on conventional brick walls, is 25 mm.
For the production of the mixture, we use as key elements quarry sand and more than double from the usual quantity of cement, i.e. 400 kilograms of cement per cubic meter. We do not use lime dust and instead we use special mineral and resin additives. A special emulsion (revinex) is added to the mixture, to avoid moisture and polypropylene fibers for the reduction of cracks and surface endurance. With these materials, we achieve excellent results and we achieve a water resistant, strong and durable masonry. Due to the lack of lime, steel is not corroded and we do not have peelings (limpets) on the surface of the walls.
The powerful mortar with the steel grid in the thermal wall panels “3D”, we create a shell of reinforced concrete on both sides of the wall. As we saw in the walls section, before plastering, the steel mesh of the walls is laced with the steel frame using with special steel bars. These bars are either welded to the steel frame, or they are embedded in the concrete with acrylic adhesive. So, after plastering, the bearing steel frame and the plastered walls form a unified structural model and the walls contribute to the overall strength of the building, replacing the “X” steel members of the steel frame, optimizing the architectural design freedom.
The steel frame with the strong plastered walls in combination with the small overall weight of the building, create a perfect earthquake resistant model. This is why the construction of light buildings with steel frames, has dominated in areas where there is increased seismic activity.