ABOUT THE PRODUCT:
The SP and SP-E pre-wall systems are intended for use primarily in new buildings, but also in existing buildings after the necessary changes have been made to the lintel. It is important to plan the use of these types of solutions and the way in which they are to be installed as early as the building design stage, which allows their functional qualities to be used more effectively. The SP and SP-E systems provide excellent thermal insulation, as they do not interfere with the structure of the window, door or lintel, without affecting the energy balance. What is more, these products blend in perfectly with the façade of the building, forming an integral part of it. At the same time, the front of the roller shutter box forms an underlay for any finishing material (e.g. plaster), so that the box becomes an unobtrusive part of the building façade.
The structural components, i.e. inspection cover and guides, can be colour-matched to the window joinery. As in the case of adaptive systems, the roller blind curtain may consist of foam-filled, plastic and extruded profiles. Roller shutters in flush-mounted systems can be fitted with an insect screen, which provides effective protection against insects while maintaining the flow of light and fresh air to the interior
The Darmstadt Passive House Institute (PHI) has recognised the properties of roller shutters in the SP and SP-E systems. The organisation has issued a certificate for boxes of size 165 or smaller, which, with both systems, can be successfully used in buildings with low energy requirements if the installation requirements according to the certificate are met. The SP and SP-E roller shutters are flush-mounted systems, in which the box is built in and its face is at the same time an underlay for the finishing material. This design means that the roller shutter components do not interfere with the window or lintel structure, so that the building’s airtightness remains intact. The SP and SP-E systems have been developed to provide protection against heat loss while at the same time providing an aesthetically pleasing finish to the façade. Importantly, correct installation enables the use of any window which meets the requirements of the Passive House Institute, whose Uw window heat transfer coefficient is lower than 0.80 W/(m²K), while the Ug glass coefficient does not exceed 0.70 W/(m²K).
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