Its cost is comparable with steep roofs, which are common for our country. The material has high adhesion and vapor permeability, excellent for internal and external finishing works. The Apis Cor and PIK companies have successfully completed the project which was announced in December 2016. It means it’s time to talk about the new fantastic potential of architectural solutions. Technology does not require fixtures and fills all voids in the space between the bearing wall and outer concrete structure, avoids the formation of cold bridges. Printing of self-bearing walls, partitions and building envelope were done in less than a day: pure machine time of printing amounted to 24 hours. That will significantly reduce the construction time.After completing the wall structures, the printer was removed from the building with a crane-manipulator. The solution proposed by the TechnoNICOL company can effectively withstand high snow loads and durability requirements. Paint is easy to apply and easily fills the roughness, after drying up it forms a solid matte surface without cracks, is eco-friendly and resistant to weather conditions. The house can be of any shape, including the familiar square shape, because the additive technology has no restrictions on design of new buildings, except for the laws of physics.A special insulation PIR Slope was used during flat roof installation.Design of the single-story residential house is rather unusual. Due to low thermal conductivity of the material (0. Although, the equipment itself is able to operate in temperatures down to minus 35° C.A distinctive feature of the printer is its design, which is reminiscent of the tower crane, allowing the printer to execute the printing process of constructing the building both inside and outside. The problem was solved by setting up a tent which provided the required temperature. It is a ready-made modular system to create the right main and rear slopes. In the future, with improved equipment, insulation of structures can be carried out in parallel with their printing.Selected materials are among the ones with the lowest thermal conductivity coefficient.The roofing carpet is made of LOGICROOF polymer membranes. Construction took place at the Apis Cor company’s test facility in the town of Stupino, on the territory of the Stupino aerated concrete factory. Coefficient of heat conductivity of PIR crumbs −0.The area of the printed building is 38 m². Possesses good hydrophobic properties.FINISHINGFor the printed walls finishing we additionally used a mineral decorative plaster Reibeputz — KOROED from the manufacturer BITEX.The printer has a small size, easily transportable and does not require long preparation before the commencement of the construction works because it has a built-in automatic horizon alignment and stabilization system.

The material has high performance and technological installation.The house was erected in the coldest time of the year.WINDOWSThe the house we installed double windows provided by the partner company Fabrika Okon, which develops innovative windows with climate control.Apis Cor construction 3D printing technology adapted for different methods of printed walls thermal insulation. Polymer membrane LOGICROOF and insulation LOGICPIR have a combustibility class G1 which provides high fire safety. This project was selected specifically, as one of the main purposes of this construction is to demonstrate the flexibility of equipment and diversity of available forms. Easy to use and work with. Installation works at speeds of up to 1000 m² in a work shift can be done in any weather conditions. That allows to greatly simplify the structure. Winter has added complexity to the project participants, as the use of concrete mixture, that is used as the printing «ink», is only possible at temperatures above 5° C.INSULATIONInsulation system in the printed house was done using innovative materials of TechnoNICOL companyROOFThe roof of the house in Stupino, in accordance with the architectural project, is flat.022 w/m * k, fill insulation from polyurethane foam- 0.As a heat-insulation layer we applied solid plates on the basis of LOGICPIR hard polystyrene.Soon, using new materials, such as geopolymer, you will be able to print a house at any time of the year. Performs the function of a thin-layer decorative plasters on walls that do not require insulation.

For painting of the entire building in a corporate yellow color we used high-quality exterior paint from BITEX Egalisationsfarbe manufacturer.The first house printed using mobile 3D printing technology has been built in Stupino town, Moscow region.OVERLAPPINGSAs overlap insulation we used rock wool ROKLIGHT thermo-acoustic insulating material.022 w/sq.m), thickness and total weight of the roofing system is much smaller than traditional insulation materials. Because of this, precipitation will be effectively removed from the surface of the roof.The printing process is automated as much as possible and almost eliminates the risk of human error.023-0, 025 w/m * k (roughly 25-30% more efficient in comparison with standard thermal insulation materials and 100% more efficient than wood). Specially for the project in Stupino, TechnoNICOL corporation chose two innovative ways of insulation: solid insulating material LOGICPIR for one part of the house and liquid polyurethane composition for the other.Thanks to these properties, to create a comfortable microclimate in the house, quite a small layer is enough.The composition of mineral plaster consists of white cement and ball-shaped marble and granite Wholesale Party Tent Factory crumbs, so it can serve as an additional heat insulation and goes well with the thermal insulation systems: can act as a top layer, especially if the insulation used is mineral wool.HOW IT WAS BUILTIn December 2016, the Apis Cor company in cooperation with PIK proceeded to print the building using a mobile 3D printer. Membrane patches are welded together with special equipment using hot air.THE TECHNOLOGY AND MATERIALS USEDCONSTRUCTIONConstruction is based on Apis Cor 3D printing technology — a unique equipment, which has no analogues in the world today: mobile construction 3D printer and automatic mix and supply unit.

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