What Are SIPs R-Values R-Values Insulation is one of the key components of any energy-efficient home or commercial building. With heating and cooling accounting for 50 percent of energy use in the average home, good insulation saves thousands of dollars in utility bills over the life of a home. SIP Calculated R-Values But R-value doesn't tell the whole story. Laboratory tests that determine R-value have little resemblance to how insulation actually performs in a home.
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Structural insulated panels (SIPs) offer higher R-values, contributing to increased energy efficiency, lower heating and cooling costs, and enhanced comfort in buildings. What Is R-value? R-value, in the context of construction and insulation, refers to the thermal resistance of a material or assembly. PREMIER SIPS R-VALUES & U-FACTORS NOTE: See Detail Premier-102 and Technical Bulletins for additional R-value & U-Factor considerations. Both are available at www.premiersips.com. PREMIER SIPS WEIGHT Premier SIPS are typically manufactured with 7/16" OSB facings on both sides. Custom 5/8" or 3/4" OSB facings are available as an alternative. Thermal R-Values of Insulspan SIP Structures The energy efficiency of insulation is most commonly measured by its R-value. R-value refers to the ability of a given material to resist thermal transfer. The higher the R-value, the more resistant the material is, the less energy you use, and the lower your energy bills. Jump to Insulspan Rating Charts R-value is a measure of how well insulation resists the flow of heat or cold. The higher the R-value, the better the product's ability to serve as an effective thermal barrier. But, how exactly are SIPs able to achieve such high ratings? SIP Panels' Rigid Foam Insulation + OSB = superior insulating power
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RAYCORE's 5 1/2 inch thick polyurethane SIP panel has an R-value of 42. That's 75 percent more R-value for half the price! To reach a similar R-value with a sandwich panel, you would have to purchase their 10 1/4 inch thick panel with an R-40 or their 12 1/4 inch thick thick panel with an R-48 insulation value. A Breeze to Install. SIPs are the simple way to build high-performance structures that meet or exceed building requirements and energy codes. SIP panels are the easiest method to reach standards for Air Infiltration, R-Values and Continuous Insulation while significantly reducing time and labor. R-value was R-21 for a 6-inch SIP wall or 96% higher than the whole-wall R-value of R-11 for the 2x6-inch wall using theoretically R-19 fiberglass insulation. ORNL also tested a SIP structure side by side with a conventional 2x4 structure to evaluate air leakage. The SIP structure had only 7% the air leakage of the conventional structure. In contrast, the rigid foam insulation used in SIPs actually performs better in colder temperatures. Expanded polystyrene with a stated R-value of R 3.9 per inch at 75°F was tested at R-4.2 at per inch at 50°F and R-4.4 per inch at 25°F. More importantly, because all types of SIPs have solid insulation completely
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Studies conducted by the Department of Energy show that fiberglass insulation in an attic rated at R-19 performed at R-9 when temperatures outside dropped to -8°F due to convective currents within the insulation. Meanwhile, the R-values for Structural Insulated Panels INCREASE. While SIPs are green, ACME Panel SIPs are even greener. The overall, nominal R-value of an SIPs wall is a function of its thickness and the type of core insulation used. Typically EPS foam is R-4 per inch, XPS is R-5 per inch, and polyisocyanurate and polyurethane are approximately R-6.5 per inch (the higher R-value cores are correspondingly more expensive). Building Design and Planning Considerations
Compare SIP Panel R-Values by Size . To learn more about the R-value/RSI of Insulspan SIPs, please visit our R-value page. Check out the product information in the Resources section. Call and speak to one of our SIP specialists. 800-726-3510 East, Midwest | 866-848-8855 West. In contrast, the rigid foam insulation used in SIPs actually performs better in colder temperatures. Expanded polystyrene with a stated R-value of R 3.9 per inch at 75°F was tested at R-4.2 at per inch at 50°F and R-4.4 per inch at 25°F. More importantly, because all types of SIPs have solid insulation completely
What Is The R Value of a SIP Panel? YouTube
R value is used to measure thermal resistance of walls, floors and ceilings. U value is the inverse of R value- 1/R value = U value, and 1/U value = R value. Insulation Types of Insulation When insulating your home, you can choose from many types of insulation. To choose the best type of insulation, you should first determine the following: Where you want or need to install/add insulation The recommended R-values for areas you want to insulate. Installing Insulation
