If you're looking to make your home more energy-efficient, reduce utility costs, and enhance overall comfort, then you've come to the right place. In this blog, we'll explore the ins and outs of extruded polystyrene (XPS) insulation, a popular choice among homeowners and construction professionals alike.
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Extruded polystyrene insulation offers a range of benefits that make it an excellent option for both new construction and refurbishment projects. From its exceptional thermal performance to its moisture resistance and durability, this foam insulation board has proven its effectiveness in creating energy-efficient and sustainable buildings.
Extruded polystyrene (XPS) is a type of rigid foam insulation material made from polystyrene, a synthetic polymer derived from petroleum. The manufacturing process involves melting the polystyrene beads and then extruding them through a dye to form a continuous, closed-cell structure.
The resulting foam boards have a smooth, dense surface and a uniform structure. They are available in various thicknesses, densities, and dimensions to suit different insulation requirements.
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Below are a few examples of the versatile applications of extruded polystyrene insulation:
Wall Insulation: XPS insulation is commonly used to insulate exterior walls, providing a thermal barrier that reduces heat loss or gain. It helps improve energy efficiency, maintain consistent indoor temperatures, and reduce heating and cooling costs.
Roof Insulation: XPS insulation is an effective choice for insulating roofs, whether it's flat roofs, pitched roofs, or inverted roofs. It helps prevent heat transfer between the building and the outside environment, reducing the need for excessive heating or cooling.
Floor Insulation: XPS insulation can be installed under concrete slabs or floor finishes to minimise heat loss and enhance thermal comfort. XPS boards with higher compressive strength making them ideal for floor insulating purposes. It is commonly used in both residential and commercial buildings to improve energy efficiency and provide a barrier against cold floors.
There are several compelling reasons to use extruded polystyrene (XPS) insulation in construction and building projects. Here are some key benefits:
Excellent Thermal Performance: XPS insulation provides high thermal resistance, effectively reducing heat transfer through building components. It helps maintain consistent indoor temperatures, improves energy efficiency, and reduces heating and cooling costs.
Moisture Resistance: XPS insulation has a closed-cell structure that makes it highly resistant to moisture absorption. Its moisture resistance helps protect against mould, mildew, and rot, promoting a healthier indoor environment.
Durability and Longevity: XPS insulation is known for its strength and durability. It can withstand heavy loads without deforming or compressing, making it suitable for load-bearing applications. It has a long lifespan and retains its insulation properties over time, providing long-term energy efficiency benefits.
Versatility: XPS insulation is available in various thicknesses, densities, and dimensions, offering flexibility in meeting different insulation requirements. It can be used on walls and floors, adapting to diverse construction applications.
By choosing extruded polystyrene foam insulation, you can improve energy efficiency, enhance building comfort, protect against moisture damage, and contribute to sustainable construction practices. Its combination of thermal performance, durability, and versatility makes it a reliable choice for various insulation needs.
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Both extruded polystyrene (XPS) and expanded polystyrene (EPS) have their own advantages and considerations, and the choice between the two depends on specific project requirements. Here's a comparison between XPS and EPS insulation:
Insulation Performance: XPS insulation typically has a higher R-value (thermal resistance) per inch compared to EPS insulation. This means that XPS provides slightly better insulation performance for a given thickness. However, both materials offer good thermal insulation properties.
Moisture Resistance: XPS insulation has better moisture resistance than EPS. Its closed-cell structure makes it highly resistant to water absorption, while EPS is more susceptible to moisture penetration.
Compressive Strength: XPS insulation has higher compressive strength than EPS. It can withstand heavy loads without significant deformation, making it suitable for applications requiring load-bearing capacity, such as insulating plaza decks or under concrete slabs.
Cost: EPS insulation is generally cheaper than XPS insulation. EPS is more cost-effective for many applications, especially when a higher compressive strength or exceptional moisture resistance is not required.
XPS insulation generally offers higher moisture resistance and compressive strength compared to EPS insulation, but it tends to be more expensive. EPS insulation, on the other hand, is cost-effective and offers good insulation performance, making it suitable for many projects. However, the choice between XPS and EPS depends on the specific requirements, budget, and priorities of the project.
Some key disadvantages of XPS insulation:
XPS foam insulation provides some sound-blocking properties due to its dense and rigid structure, but it is not specifically designed as a soundproofing insulation
Yes, extruded polystyrene (XPS) is considered a good insulator. It has excellent thermal insulation properties, meaning it effectively reduces heat transfer through walls, roofs, floors, and other building components. XPS insulation's closed-cell structure minimises air movement and heat conduction, providing high levels of insulation performance. It helps maintain consistent indoor temperatures, improves energy efficiency, and reduces heating and cooling costs.
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Extruded polystyrene (XPS) insulation has some environmental considerations. While it offers energy-saving benefits and durability, there are aspects that may be less environmentally friendly:
Raw Materials: XPS insulation is derived from petroleum, a non-renewable resource. The extraction and processing of petroleum have environmental impacts, including carbon emissions and habitat disruption.
Manufacturing Process: The manufacturing of XPS insulation requires energy and involves the use of blowing agents, which can contribute to greenhouse gas emissions and have a global warming potential.
Limited Recyclability: This polystyrene foam insulation board is less commonly recycled compared to other insulation materials like expanded polystyrene (EPS). The closed-cell structure of XPS makes recycling more challenging, and proper disposal at the end of its life cycle is essential to minimize environmental impact.
However, it's worth noting that manufacturers are taking steps to improve the environmental profile of XPS foam boards. This includes increasing the use of recycled content, exploring alternative blowing agents with lower global warming potential, and developing more recycling options.
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In conclusion, extruded polystyrene insulation offers significant benefits in terms of thermal performance, moisture resistance, and durability. It is an effective choice for enhancing energy efficiency, reducing heating and cooling costs, and creating comfortable living spaces.
To make the most informed decision, it is crucial to weigh the advantages and disadvantages of XPS insulation against specific project requirements, budget constraints, and environmental considerations. Additionally, staying updated on advancements in XPS insulation technology and recycling initiatives can contribute to making more sustainable choices.
By understanding the properties, applications, and potential environmental implications of extruded polystyrene insulation, homeowners, construction professionals, and DIY enthusiasts can make informed decisions and contribute to creating energy-efficient, comfortable, and sustainable buildings.
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Before buying polystyrene, we often visit various construction industry websites and numerous online forums for information about it. However, after a deeper analysis, the question arises, how to choose the best from a large number of proposals ?! What to consider when buying polystyrene? Is its quality, manufacturer, price important? Let’s try to find answers to these and other questions today.
When choosing expanded polystyrene, first of all, pay attention to:
The polystyrene manufacturer must provide declarations of conformity and hygienic certificates for its products.
Before buying polystyrene, you should weigh the packaging of the foam to make sure that we get the right product of the appropriate density. The weight of polystyrene is an important indicator and directly affects the insulation and strength of the product. The higher the density of polystyrene, the heavier it is, which confirms its high technical parameters. If the polystyrene is lighter than stated by the manufacturer on the labeled packaging, it may mean a lower amount of raw materials and reduced quality of the insulation material.
Information on the density of polystyrene is not required by regulations and is not standard on the package. However, this indicator determines the quality of the product. Eurobud places density on packaging to ensure that its consumer buys quality, safe and durable polystyrene. Additional labeling not only makes it easier to choose the right polystyrene foam, but also gives everyone the opportunity to check whether the product meets the stated parameters.
An important criterion when choosing polystyrene boards is the thermal conductivity stated by the manufacturer (λD). The lower the ratio, the better and “warmer” polystyrene! Eurostroy recommends the use of lambda polystyrene not more than 0.040 W / mK for wall insulation.
For thermal insulation of facades we strongly recommend to use polyfoam with a density of 12,5-18 kg / m3 (EPS 60 – EPS 100), 15-25 cm thick.
For thermal insulation of floors on the ground, foundations, socles, flat and pitched roofs it is necessary to choose polyfoam with a density of 15-35 kg / m3 (EPS 80 – EPS 250), 15-35 cm thick.
The quality of polystyrene is a determining factor. When evaluating the quality of polystyrene, you should have basic information about the production process. Thanks to new modern equipment, direct supply of foreign raw materials and control system, Eurobud guarantees the perfect quality of each of our products.
Choosing the right brand of polystyrene for a particular application is very important.
One of the main factors of Eurobud’s openness and honesty is the placement on each package of readable information about the product parameters. They are presented in the form of a table showing the main properties, such as the minimum density of the product in kg / m³, compressive strength (CS), flexural strength (BS), tensile strength (TR) and the declared thermal conductivity indicated by the symbol λD.
Often, the main criterion when choosing insulation materials is the price of the product. However, in most cases, low-cost insulation materials do not meet the specifications on the package. Accordingly, in the future you will not get the desired result of energy savings and savings.
Eurobud, as one of the leaders in the production of expanded polystyrene in Ukraine, cherishes its reputation, invests in the development of production lines and the purchase of foreign raw materials, which in the future guarantees the final products of the highest quality.
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