In 1937, a small stressed-skin house was constructed and garnered enough attention to bring in First Lady Eleanor Roosevelt to dedicate the house. Forest Service attempt to conserve forest resources. Research and testing of the technology was done primarily by Forest Products Laboratory (FPL) in Madison, Wisconsin, as part of a U.S. Standard OSB with EPS-core structural insulated panelĪlthough foam-core panels gained attention in the 1970s, the idea of using stress-skinned panels for construction began in the 1930s. They can be used for many different applications, such as exterior wall, roof, floor and foundation systems. SIPs combine several components of conventional building, such as studs and joists, insulation, vapor barrier and air barrier. The rigid insulation core of the SIP acts as a web, while the sheathing fulfills the function of the flanges. SIPs share the same structural properties as an I-beam or I-column. The board can be sheet metal, plywood, cement, magnesium oxide board (MgO) or oriented strand board (OSB), and the core can either be expanded polystyrene foam (EPS), extruded polystyrene foam (XPS), polyisocyanurate foam, polyurethane foam, or be composite honeycomb (HSC). SIP is a sandwich structured composite, consisting of an insulating layer of rigid core sandwiched between two layers of structural board, used as a building material. Find out more here.SIPs are most commonly made of OSB panels sandwiched around a foam core made of polystyrene.Ī structural insulated panel, or structural insulating panel, ( SIP), is a form of sandwich panel used in the construction industry. ![]() VOCs and toxic chemicals can be released into the atmosphere (off-gassing). Non-nutrient - Our MgSO4 sheathing is non-nutrient which means it will not support mould growth, a major cause of respiratory illness.įree of Volatile Organic Compounds (VOC) - our sheathing is free of the harmful VOCs found in many building products used today. Non-combustible - Our MgSO4 sheathing is certified as a non-combustible material and testing proved zero smoke developed or flame spread. The characteristics of the combined materials used in the selectSIP panel, create a building envelope that can absorb and transfer vast amounts of energy in a seismic event - absorbing much more energy than traditional building envelopes. Giving you a product that will outlast typical construction.ĭuctile and seismic safe - Our panels are proven, time and time again, to withstand extremely high levels of tensile stress before deformation and failure. In fact, testing has shown an increase in strength over time through the wet/dry process. Water-stable - The panels are water-stable, meaning they won’t degrade if they get wet. When coupled with the building science behind the unique selectSIP envelope system, the home’s ability to resist the transfer of heat (R-value) is transformative. ![]() The special chemistry of our panels gives them a very high R-value (thermal resistance rating), and exceptional energy efficiency. Using a revolutionary material made up of Magnesium Oxide (MgSO4) in a scientifically formulated cement mixture, we redefine the standard for SIP panels, and the building industry itself.
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