![]() ![]() SIP panels are widely used in building modern private houses. So, what can be built with SIP technology?Īffordable private houses. WHAT CAN BE BUILT WITH SIP PANELS? Today, SIP panel construction is gaining popularity worldwide! Affordable price, eco-friendliness, energy efficiency, and fast construction in a short period of time are winning the hearts of millions of future owners of SIP houses. Thus, thanks to its physical and mechanical characteristics, SIP panel has become a unique building material and gained recognition worldwide, including in Ukraine, occupying over 40% of the global construction industry. In 1990, the Structural Insulated Panel Association (SIPA) was formed by SIP manufacturers in the United States, which allowed for the development of standards, promotion of the technology, and exchange of information among manufacturers, architects, and builders. The high physical and mechanical characteristics of the new material made it possible to completely replace glued plywood. The first batch of oriented strand board was produced at the Edison OSB plant. The year 1982 marked the birth of OSB in SIP technology. In April 1989, the Woods patented the concept of modular energy-efficient homes. ![]() By the end of the 1990s, such panels occupied 40% of the sandwich panel market. By the mid-1980s, such panels were installed directly at the construction site, but in the early 1990s, the first sandwich panels with a polyurethane foam filler as the final product appeared. Woods, and Frederick Woods promoted SIP technology in Southern California.Īccording to the EPIC (Engineered Panels in Construction) association, sandwich panel technology with polyisocyanurate (PIC) and polyurethane (PU) foam fillers appeared in the 1970s. In 1965, Woods Constructors architectural firm (Santa Paula, California) began using SIP panels in their projects. For these countries, the decisive advantages of SIP panels were energy efficiency, environmental cleanliness, strength, and speed of construction. It was most popular in countries such as Sweden, Finland, Norway, and the United Kingdom, where weather conditions were not ideal. Then, SIP technology spread throughout Europe. In the 1960s, the American company Alside Home Program was able to significantly reduce the production time of sandwich panels from several hours to 20 minutes. Additionally, Koppers Company faced unexpected resistance from carpenters' unions in northern states who feared that if buildings with SIP panels were erected so quickly, they would lose their jobs. Sandwich panels under the Dylite brand were produced using polystyrene as the core material and plywood was also used as a cladding. To do this, the company converted the former Hundson Motor Car Plant in Detroit. (The thickness of Dow's panel was the same 57 mm as Wright's panel, but in this case, 40 mm was taken up by the insulation.) The material was used in the construction of Dow's own house in Michigan, which became a showcase for SIP panels. As a result, a prototype of an improved SIP panel appeared - a "sandwich" with two layers of glued plywood and polystyrene insulation in between. Dow, a student of Wright and brother of the CEO of Dow Chemical, continued his experiments in creating structural and insulation materials and created ergonomic three-layer sandwich panels with polyester and plywood covering. In 1951, there was a real revolution in the production of SIP panels, namely the introduction of Styropor (expanded polystyrene), an insulating material, by the German chemical concern BASF. The material gained wide publicity, and even the First Lady of the United States at the time, Eleanor Roosevelt, took notice.įrom 1947, mass testing of variations of sandwich panels began, including panels made of plywood and corrugated cardboard. ![]() In 1937, in the same state of Wisconsin, the first administrative building was constructed using sandwich panels, which later became one of the buildings of the University of Wisconsin-Madison. The total thickness of the panel was 57 mm and consisted of three layers of glued plywood and two layers of tar paper. It is worth noting that this house still stands. In 1935, the American architect Frank Lloyd Wright used sandwich panels with a cellular filler in the design of the one-story Unsonian cottage, which was intended as an example of affordable housing. The first prototype of a modern SIP panel was developed at the US Forest Products Laboratory (FPL) in Madison, Wisconsin, in the early 1930s. However, it was in Canada where the technology was perfected, and buildings constructed using SIP panels are now referred to as Canadian. In fact, their production was first launched in the United States in the 1930s. SIP panels are often associated with Canadian construction technology. ![]()
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