A 2圆 at 16” on center stud frame wall insulated with R-19 batt insulation actually performs at around R-14 when you take into account the loss of insulation due to the walls structure. Traditional stud frame walls have many drawbacks such as “thermal bridging”, which is the heat that escapes through the gaps in the insulation created by the wood structure of the wall. The only lumber used in the panels is oriented strand board (OSB), a structurally-rated sheathing material made from fast-growing, renewable, self-regenerating forests or plantation-grown trees. Structural insulated panel construction contains much less wood than conventional construction because using polyurethane panels means that there are no studs. It's worth considering structural insulated panel construction if you are interested in a well built, energy efficient, comfortable, green home. There are many more pieces to assemble, opening the project up to more variation. In comparison, a site-built, frame structure has many site-related variables such as weather and the skill level of the building crew. Because SIPs have the insulation and sheathing built in, there is less on-site assembly, which means a more predictable, higher quality result. The structural insulated panels (SIPs) are shipped flat on a truck to the building site where they are assembled like a big jig saw puzzle, resulting in a highly insulated, tight, precise, finish-ready structure. Door and window openings are precut using state-of-the-art CNC (Computer Numerical Control) computerized cutting equipment which ensures square and level openings. They are factory-built under controlled conditions which increases the quality and precision of the finished product. These wall and roof panels are custom fabricated for every Sunlight home design. Structural insulated panels (SIPs), also known as foam core or stress-skin panels, are a highly energy efficient and superior alternative to stud-frame construction.
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