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The perm rating may not be indicative of the long-term results. Because a molding process is used to produce EPS foam, there are more sizes available to select from, compared to XPS foam board which comes in limited sheet sizes. Compressive strength. Any polystyrene … It has an incredibly long lifespan – up to 50 years. Expanded Polystyrene and Road Construction. Expanded polystyrene is a plastic foam material that has certain desirable properties because of its structure. 1.2 ABOUT EXPANDED POLYSTRENE Expanded Polystyrene … The drying potential for thermal insulation is critical to maintaining the structure’s thermal resistance. It is also resistant to microorganisms in the soil. In fact, several different types of EPS geofoam can be specified on a single project to maximize savings. Expanded Polystyrene (EPS) foam has for many years been used as a conventional insulation material in construction, and is extremely energy efficient. Issues, such as the construction of pavements on low bearing capacity subgrade soils (such as peats and clays), or in regions with severe winters, and the construction … EPS geofoam is water resistant and can inhibit the growth of these organisms. It can be … Sustainability. EPS geofoam is water resistant and can inhibit the growth of these organisms. Expanded polystyrene (EPS) is a rigid and light weight insulation material with various properties such as shock absorption, resistance to humidity, resistance to compression, retention to vitamin C, hygienic, … And, it isn’t attractive to rats and other vermin as a source of food. These building panels are often used both as load bearing also as non-load … Since EPS geofoam is a thermoplastic material, it will not rot or decompose over time. The simplest recycling involves crumbling the old EPS into small pieces and remolding them into usable shapes. EPS geofoam is 100% recyclable and can be reheated and reformed indefinitely. EPS is also used in the construction industr… For manufacturing expanded polystyrene, … The compressive resistance of EPS geofoam at 1% deformation ranges from 2.2 psi to 18.6 psi. At about $0.31 per square foot for a one-inch thick panel, EPS geofoam costs less per square foot than any other rigid foam board insulation product. EPS is used widely in the building and construction industry. Expanded polystyrene (EPS) is a rigid and tough, closed-cell foam. After 15 years, both EPS and XPS were removed and tested using the ASTM C1512 test (Standard Test Method for Characterizing the Effect of Exposure to Environmental Cycling on Thermal Performance of Insulation Products). Durability. Standard-sized EPS foam insulation is available in multiple sizes up to 36-inches thick and 16-feet long or larger. One pound of EPS geofoam will support 3.5 pounds per square inch while retaining 1% or less deformation. It is unique in that it is a closed cell, rigid, polymeric material that is … EPS foam offers exceptional dimensional stability. High compressive strengths of up to 60 psi make EPS durable and long-lasting and able to stand up to harsh conditions without deterioration. EPS geofoam qualifies for Energy Star status, a symbol backed by the U.S. Environmental Protection Agency that signifies the product not only helps businesses/people save money but its energy-efficient properties helps protect the climate. EPS geofoam weighs in at only one to two pounds per cubic foot, depending on size. Since EPS geofoam is a thermoplastic material, it will not rot or decompose over time. With the prepuffs are poured into molds to obtain the size of material.! A solution for most every project geofoam in retaining Wall construction, using EPS geofoam in Wall. It isn ’ t attractive to rats and other vermin as a safe material for insulation structural! 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