Cost. 9 150mm EPS Panel= R-4. So you can advise us which kind of building you will build and our team can offer you related professional advice. All of Kingspan’s commercial insulated panel products are available with this insulation material. 1 When joints & penetrations detailed appropriately. Figure 4: Insulation thickness at equivalent R-value. 15 = £600 Financially the PIR is a no brainer. Recticel Insulation provides U-value calculations free of charge to demonstrate compliance with building regulations. 3 days ago · A higher EPS indicates greater value because investors will pay more for a company's shares if they think the company has higher profits relative to its share price. The lower the U-value, the better insulated the building element (W/m²K) We're carrying out a retrofit and targeting EnerPhit, and therefore we need to target at least 0. It's the ratio of the relative λ values that matters, so EPS with a λ of about 0. EPS. High performing PIR insulation boards are thinner than traditional insulation materials, therefore the need for deeper excavations is reduced, saving both time and money. 021W/mK 100mm PIR 0. Insulation value of different materials: thermal value of panel sell rigid foam PIR Term insulation is double the value of mineral wool or Polystyrene Contact our staff London London: +44 20-3455 0451 PIR and PUR both have excellent thermal insulation values and are highly space efficient, durable and lightweight. 18 u-value = £400 150 mm PIR = 0. GPS. 50 = 0. Nov 21, 2019 · So, we test our insulated metal panels to show these values to our customers. 031W/mK 100mm KORE Fill Diamond + 35mm KORE Thermal Board 0. The PIR U-value table provides a comprehensive overview of all available thicknesses of PIR insulation boards in the UK, along with their corresponding R-values and U-values. 22 W/m2K. Before You Begin: Choose the Right Level of Insulation. 034 W/m²K. 019 and 0. Celotex XR4120 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has Nov 7, 2019 · PUR AND PIR INSULATION MATERIAL. The goal with insulation is simple: to make a home more comfortable and energy efficient. This is a very universal and efficient solution for all kinds of exposed roofs. U = 1/R for a given construction and the unit of measurement is W/(m²·K). Risk of rising damp at ground level where we potentially create a problem due to lack Our insulated cavity closers are used to help reduce the heat losses that can occur around windows and doors. To convert U-value to R-value, you will need this key U-factor to R-value formula: R-Value = 1 / U-Value. 034 W/m. EPS is less expensive, but PIR offers better long-term value through efficiency. Although you will need a slightly thicker board 150 mm Grey EPS = 0. Unlike some rigid foam insulation materials, Neopor® Graphite Polystyrene increases in R-value as temperatures drop. Most PIR insulation products offered for general applications such as ground floors and pitched roofs have a thermal conductivity of 0. Expanded Polystyrene PIR Breathable Roofing Membranes Plasterboard Metal Stud & Track Suspended Ceilings UValue Warmline EPS. Risk of rising damp at ground level where we potentially create a problem due to lack 150 mm Grey EPS = 0. You can order them from renowned local brands in a range of thicknesses to suit your application. Mar 15, 2023 · It also includes adjustments for any fixings or air gaps. The U-value by definition is inversely proportional to the R-value, in other words, the lower it is, it indicates that there is lower transmittance, thus proving that the material has better insulating capacity. 22W/(m²K) Rockwool RW3 100mm - R-Value 2. It is seen as greatest potential for energy saving today. More 150 mm Grey EPS = 0. XPS vs. The following example shows the average cost savings when choosing KORE Fill Cavity Wall Insulation over rigid board PIR insulation. PIR (polyisocyanurate), typically cut into boards, can be used in insulated metal panels, wall cavities and as insulated plasterboard. PIR panels have a thermal conductivity of 0. How is PIR insulation made? Like phenolic insulation, PIR is cooked under pressure in the factory and left to cool. R-value figure is usualy provided by the manufacturer of a particular insulation product and is shown in the product description. EPS has the lowest average R-value of the three most common types of rigid-foam insulation, around R-4 per inch. 45KG per board. 032W/mk) Calculating U-Values can be a complex process, so as well as our U-Value calculator, we have provided a number of U-Value calculations for our insulation products, which can be found on our Insulation Applications pages. Risk of rising damp at ground level where we potentially create a problem due to lack R-value (per inch) 82% Better 6. PIR insulation boards are lightweight and easy to install and combine high compressive Nov 13, 2013 · 100mm of EPS insulation located internally or externally should bring the U-value of the wall down to 0. We have a helpful and easy to use digital tool which based on simple user input will determine the most suitable drylining products for your walls or loft space, whilst meeting the regulations. 6 100mm EPS Panel= R-2 . 021W/mK. Higher R-value per inch, excellent moisture resistance and strength. Celotex XR4000 boards have been developed to be used specifically in “cut-to-fit” applications, meaning that they can be fitted between rafters and joists to provide a highly insulating layer Starting at the top, Kingspan’s insulated metal panels with a PIR or QuadCore insulation core get between 7. Using our U-Value calculator will also allow you to calculate the U-Values for your specific construction project quickly and the direction of heat flow is 1K. pdf 3. It also lags behind some of the others on this list for insulation values, meaning that you need more of it to achieve the same result. 022 W/m. 55 times the thickness of EPS for the same U value as if using PIR. Apr 12, 2018 · To hit a u-value of 0. PIR insulation. This is around 20% more effective than standard fibre insulation! With a λ-value of 0. Our U-value calculator can make calculations easier, click here to access. What is PIR insulation? PIR, meaning polyisocyanurate insulation boards, are rigid boards made from PIR foam which are widely used in the industry. What is the thermal value of 100mm Celotex? The thermal conductivity (k-value) of 100mm Celotex insulation is approximately 0. PIR U-VALUE TABLE. Each count approximately 3,000 cells which are closed off and filled with air. 150 mm Grey EPS = 0. EPS (Expanded Polystyrene) is a light-weight foam product. ). 55 to R-5 per 100mm. EPS board would typically provide an R-value of around 2. Jul 28, 2021 · When building or renovating a high-performance building envelope there are really three main kinds of rigid foam panels you are going to have to choose from - Polyisocyanurate known as Polyiso (PIR), Extruded Polystyrene (XPS) - often called Styrofoam - and Expanded Polystyrene (EPS). 20 and an R-value of R-5. The insulation core and facings resist attack by mould and microbial growth. 18W/m2K. 28w/m2k – a substantial improvement on current building regulations. There are a number of ways we can assist you with meeting Part L Building Regulations for U Values. The recommended thickness for PIR insulation in roofs is typically around 140mm to achieve the recommended U-value of 0. 2 Stated thermal resistance values are based upon conditioning requirements and test methodology found in ASTM C1289 and ASTM C518 for foil-faced polyisocyanurate insulation. PIR provides better insulation with less thickness Jan 2, 2024 · In addition, polystyrene insulation improves the U-value of any room by up to 70%. 6. 50m2K/W. This is bonded to a facing to create an insulation board. K-Value. Catalysts and additives used in PIR formulations also differ from those used in PUR. INSULATION COST COMPARISON: EPS vs PIR vs MINERAL WOOL. This was crea for use by NIA and its members. Feb 8, 2023 · Where there is scope to increase the depth of insulation used, the same U-values can be achieved using our EPS insulation, which can reduce the cost of construction. Similar with Rockwool and PIR, you won’t make huge savings here. Diluted EPS . This is also available in class E along with other Mannok EPS insulation products. Jan 18, 2024 · Calculating the total R-Value of a barrier is as simple as adding the R-Value of each material in a given cross-section. 34W/(m²K) Polyurethane Foam (PIR/PUR) PIR is a thermal insulation board produced in a chemical process from rigid polyurethane (PU) foam combined with an isocyanurate catalyst. Performance. Jun 5, 2017 · By adding an extra 50mm of insulation (taking the U-value to 0. The simple formula of U-value is 1/R-value. 033W/mk & 0. 16), the rating increases 1 more point to D57. Our free online U-value calculator covers a variety of different insulation applications for our Celotex products. Despite being slightly more expensive than polystyrene, PIR offers better thermal insulation properties and can be used in thinner layers, making it a cost-effective option in the Aug 6, 2019 · The downside of mineral wool is that it’s much heavier than EPS or Kingspan and more difficult to work with, meaning that the labour costs of installing it tend to be higher. 022 W/mK. Uses. Generally, more expensive. 21W/m2K-OR-KORE Fill Diamond + KORE Thermal Board EPS70 Silver 0. Polyurethane Polystyrene (EPS) R-Value 100mm Polyurethane Panel= R-4. Risk of rising damp at ground level where we potentially create a problem due to lack . Refrigerators are made with PUR insulation replacing EPS worldwide over 20 years ago. Aug 8, 2018 · U-Value Achieved; PIR Insulation (Rigid Board) 0. Typical U-value for standard thicknesses of Rock-470 Mineral Wool (Duo Density) – 100mm board is 0. 035W/mK 150mm KORE Fill Original 0. But it can be overwhelming to know which type is the best for your home, so we’ve broken it down a little and explained 5 available options, with pros and cons for each. Mannok EPS boards are rot-proof, dimensionally stable and when installed with the overlays specified in BAA Certificate 05/4278, will remain effective for the life of the building. 21 at 37 cm thick wall has a U-value of 0. PIR/PUR boards tend to offer the optimum performance vs. Masonry cavity walls Timber or steel frame walls Pitched and flat roofs Warm roofs What is a U-Value? “U-value is the measure of the overall rate of heat transfer through a particular section of construction. 9 per inch 3. 5 per 100 mm. EPS is, in other words, composed of 2% polystyrene and 98% air. For example, a brick with a coefficient of thermal conductivity of 0. Less expensive. So, they take up less space. PIR, with its high compressive strength and cost-efficient assembly offers a competitive payback period when compared with other insulation types. That is a lot of extra insulation for very little reward. Environmental impact of EPS vs PIR 3. CO2 emissions savings of 0. 21W/m2K Mannok’s PIR rigid boards also have a Class 1 rating when tested to BS 476-7. The low thermal conductivity of our PIR insulation boards maximises the performance of their insulation properties and enables low U-values to be achieved. May 8, 2024 · PIR. PHONE: (01) 861 2000 About Mar 6, 2024 · The U-value of 60mm Celotex insulation is estimated to be around 0. 1 U-value, is the rate of transfer of heat through a structure (which can be a single material or a composite), divided by the difference in temperature across that structure. PIR has such a high thermal performance, it requires only half the thickness of other mineral-based insulation products. Nov 27, 2019 · PIR/PUR sandwich panels are the best insulation material in the world now. 034 / 0. Risk of rising damp at ground level where we potentially create a problem due to lack Calculate the thickness of the IKO enertherm PIR Insulation Boards required to achieved a U-Value ofLambda 0. 022 W/mK — lower than any other insulation in the world. including U-value calculations, or contact Recticel Technical Services Department on 0800 0854079 or our Sales Department on 01782 590480 to discuss your requirements. May 1, 2009 · Expanded polystyrene (EPS) EPS is the insulation used most widely in insulated concrete forms and structural insulated panels (SIPs). 17 W/m²K for external walls can be achieved with layers as thin as 150 mm PIR (Powerwall Pro). 034 to 0. 15 u-value to walls. 52. Again, under constant conditions, the PIR core has a lower U-value than the PUR core. It also includes adjustments for any fixings or air gaps. Manchester. The PIR or PUR board would typically provide an R-value of around 4. 16KG per board average density) Wickes supply 50mmx1200mmx2400mm Celotex @ £22-78 per sheet 2. Jun 8, 2019 · You need about 1. PIR has higher flame retardant qualities than traditional PUR insulation. 12W/m 2 k As an example, if you take a PIR insulation product which is 100mm thick, with a thermal conductivity or lambda value of 0. For instance, achieving a U-value of 0. . EPS Panels: Expanded Polystyrene (EPS) panels, on the other hand, are made from expanded polystyrene beads. Longevity of EPS vs PIR 5. The thermal conductivity of EPS is around 0. One cubic meter of EPS contains about 10 million beads. This is the U-value is the inverse of the sum of the thermal resistances of the layers that make up an entire building element – for example, a roof, wall or floor. Stable unless exposed to moisture. Thermal U Value Calculator. EPS 70 is class F which is suitable for most applications. Stability of EPS vs PIR 4. 5 to R-2. PU 100mm EPS graphite 133mm EPS 146mm XPS150mm MW 154mm Woodwool 167mm Concrete blocks 1520mm Common 150 mm Grey EPS = 0. It’s then cut to size and packaged up. 18 vs 0. 28, you require 100mm of EPS or 120mm of mineral wool; To hit a u-value of 0. price ratio as they’re pretty close to phenolic boards when it comes to r-value and yet they’re cheaper. The content is Mar 16, 2013 · 150 mm Grey EPS = 0. Polyurethane insulation has one of the highest initial (at the time of installation) R-values per inch in the industry; higher than EPS insulation in equivalent thicknesses. Note: The XPS value reflects the transition from HFC blowing agents as in Europe. Wood Fibre Jul 16, 2018 · When it comes to insulating your new or existing home, you’ve probably heard about plenty of different methods. Before you consider the kind of insulation, you’ll Buy 120mm Celotex XR4000, a high performance multi-purpose rigid PIR board used as floor, roof and wall insulation to achieve lower U-values with a single layer of PIR insulation. Kingspan TP10, TW55 and TF70 (all the same insulation board) are high-performance, rigid PIR panels with a thermal conductivity of conductivity 0. Compared to other insulation materials, PIR boards have a very low lambda value (typically between 0. Thicker Aug 15, 2015 · By using 100mm of graphite EPS retrofitted on a traditional solid wall or new brickwork will take the u-value of the wall down to just 0. 026 W/mK), greatly reducing the thickness of material required. 035W/mK. Jan 14, 2021 · Insulation per “uValue” is broadly comparable per square meter - yes you need 50% more EPS depth for a certain value vs PIR, but PIR is around 50% more expensive than EPS so it levels out. 55 specifications and is a guide to performance characteristics writing specifications. Summary. It also is the least expensive. They have excellent thermal performance, preventing the passage of heat as well as moisture. But with so many products available on the market today, how do you know which one is right for your particular project? This article discusses EPS vs. May 10, 2022 · Crucially, if the installer then chooses to put the XPS in contact with the ground without your knowledge, you have the confidence that the product specified will still deliver the anticipated U-values over the life of the building – something that might not be the case for incorrectly installed PIR boards. Mannok’s EPS insulation boards contain a flame-retardant additive (FRA) which makes them more difficult to ignite. Insulation materials are therefore heavily promoted based on their thermal conductivity, where the lower the value, the lower the heat energy conducted by the material. Example: A 2-inch concrete insulating block has a U-value of U-0. K gives a ratio of 0. 9MB improve the U-value of both new and existing floors in domestic and non-domestic properties. 18, you require 190mm of EPS or 210mm of mineral wool; Obviously, it is worth pointing out that there is nothing stopping you beating the targets! If you want to add 300mm of insulation to your extension and take the u-value down to 0. 8 per inch: Thermal Drift: OSB skins prevent thermal drift in Thermocore panels. 022 = 1. As you can see, U-value is the inverse of the R-value. A U-value value shows, in units of W/m²K, the ability of an element to transmit heat from a warm space to a cold space in a building, and vice versa. PIR (Fig. The lower the U-value, the better insulated the building element. As they’re closed cells they shouldn’t absorb moisture or water vapour, unlike partially open cell products (EPS). g. Made up of small pockets of air rather than harmful blowing agents, the graphite in Neopor GPS reflects radiant heat energy – increasing the material’s resistance to the flow of heat, what we refer to as R-value. PIR insulation boards will not rot, sag or decay and will therefore continue to deliver designed insulation values throughout the lifetime of the building. R-value figure can be calculated from the equation: R value = thickness (m)/Thermal Conductivity (W/mK) Unlike thermal conductivity, thermal resistance (R-values) solely depend on the material’s thickness. 040, you can count on EPS beads to keep your house warm. U-value is sometimes known as thermal transmittance. For example, a typical U-value target of 0. Depots: London. PUR and PIR share the same insulating characteristics; they both are extremely efficient insulating materials. Since still air is the best thermal insulator, EPS makes for an excellent insulation Jun 1, 2023 · Well, here too, you have a lot to choose from. Please contact us using the form below or call us directly at 046 906 6050 150 mm Grey EPS = 0. Since material R-Values have units in °F·ft²·hr/BTU per unit inch thickness, we first have to multiply the material's R-value by its thickness to obtain its total material R-Value. Skip to content. 037 W/mK. 8 150mm Polyurethane Panel= R-6. They are an ideal home insulation product for use as wall insulation, floor insulation, and pitched roofs and ceilings, and are the equivalent of Celotex's GA4000 r U Value Insulation is an established international company that offers the building industry vast product choice combined with in-depth technical expertise. Celotex PIR 100mm - R-Value 4. What is the difference between PUR and PIR insulated foam panels? Discover how QuadCore has better R-values than both PUR and PIR insulation. Quick U-Value calculations for inclusion within your project specifications. PUR has a poor fire performance, while PIR can have excellent fire behavior. 15 2. In other words, knowing the required level of insulation means determining what thickness of insulation to purchase. We're carrying out a retrofit and targeting EnerPhit, and therefore we need to target at least 0. 026 W/m²K. 2-8 R-values per inch, which is on the highest end of the R-value spectrum for insulated metal panels. 90m2K/W. U-value should not be confused with the coefficient of thermal conductivity, which is defined as a simplified U-value of the wall thickness of 1 meter. (19) 150 mm Grey EPS = 0. Wickes supply 50mmx1200mmx2400mm polystyrene @ £14-56 per sheet (2. 021 W/mK. Thermocore panels tested by BASF that were over 3 years old showed no loss of R-value. For free U-Value calculations please contact our Technical Team who can provide you with bespoke U-Value calculations. The lower the U-value, the better insulated the building element (W/m²K) R-value simple explanation. Mar 11, 2024 · (U-Value unit is W/m²K) To achieve a desired U-Value, a list of component. If you want exceptional thermal efficiency, high fire and moisture resistance, and boards that can be used just about anywhere, there’s no better value than PIR insulation boards. 15 = £600 Financially the PIR is a no brainer. 22), the rating only increased by 1 extra point, to a D56. This is a 31% higher R-value than high-density XPS and a 62% higher R-value than high-density EPS. Due to EPS high perm rating, moisture absorption can cause loss of R-value. K and PIR with a λ of about 0. Going up to 200mm insulation, (and a U-value of 0. EPS has a value of R-2. 16 W/m2K. Let's consider the commonly used thickness of 100mm for both boards. for warehousing, factories, office buildings etc. A new polyiso will have an R-value of R-6. Polyurethane has an R-Value OF R-4. 24 May. What does this mean for the benefit of SWI? It has to be noted that over 7-10 years Celotex will drop in R-value to match the polystyrene as polystyrene will not drop. PIR boards are also thinner than insulation boards made from other materials. 50, 1 ÷ 4. For example,if you want to build a cold room,we will advise you to use tongue and groove joint cold room panels. 023W/M2K for a particular roofing build-up. Best Overall Value & Performance: Neopor. (19) Why U Value? Careers. EPS is suitable for ground contact and can be treated to resist The best example for comparing the U-values of Rockwool and Celotex PIR boards is to use the formula for U-value: U-value = 1/R. 18 u-value = £400 150 mm PIR = 0. Good insulation but lower R-value per inch compared to PIR. An R-value shows how good a material is at resisting the flow of heat. All Mannok PIR insulation boards are available in a range of sizes and are purposely designed to guarantee compatibility with other essential products within a build. So it comes down to: 1. The difference lies in their behavior towards the fire. The R-Value of 100mm PIR is 4. The two above also correspond to the K Jan 18, 2018 · EPS vs. This λ-value puts it between polyurethane and mineral wool in terms of its effectiveness. According to different application,you can choose different joint of PU sandwich panels. Customers always need to know the K-value, U-value, or R-value of sandwich panels to be able to decide which level of insulation they need. Even with a wider cavity (170mm) the cost savings on average is 27%. K, you would divide the thickness by the thermal conductivity by giving an R-value of 4. However, unlike polyurethane, EPS insulation will maintain its initial R-value long after it is first installed. Risk of rising damp at ground level where we potentially create a problem due to lack They achieve low R-values, as low as just 0. 8 per inch. The first thing you look at in insulation is its energy efficiency. In conclusion, after comparing PIR and polystyrene insulation in terms of their price, history, melting point, and R-value, it is clear that PIR is the clear winner. 21W/m2K; Amount of EPS Required to Achieve the Same U-Value; KORE Fill Original (Bonded Bead) 0. More advantages of PIR and PUR insulated products we have described here. Risk of rising damp at ground level where we potentially create a problem due to lack Find out your building's elemental thermal performance via our U-value calculator. The benefits of PIR Despite PUR’s benefits, PIR insulation builds upon them. Prefabricated PIR sandwich panels are manufactured with corrosion-protected, corrugated steel facings bonded to a core of PIR foam and used extensively as roofing insulation and vertical walls (e. Calculations derived from the online U-value calculator are designed to be indicative only and Recticel Insulation accepts n U Value Insulation is an established international company that offers the building industry vast product choice combined with in-depth technical expertise. Mar 27, 2024 · PIR panels are known for their high compressive strength and low thermal conductivity, making them ideal for applications that require superior insulation performance. Namely, you have to divide 1 by U-value to get R-value. Specify your desired U-value before immediately calculating the required insulation thickness and product selection, using our pitched roofs, ceilings, ground floor and wall insulation calculator. 28 W/m2K would require only 70mm of phenolic floor board while EPS polystyrene needs 200mm. 2 plate based on polyisocyanurate as a heat insulating material with one of the lowest thermal conductivity is used worldwide. Therefore, our insulation doesn't have a U-value on its own. What is the U-value of 50mm EPS insulation? The U-value of 50mm EPS (Expanded Polystyrene) insulation is approximately 0. The costings took into account a semi-detached house with a wall area of 137m2 to achieve a U-value of 0. Risk of rising damp at ground level where we potentially create a problem due to lack As you can see, polyiso has the highest rigid insulation R-value. What is PIR insulation? Polyisocyanurate (PIR) is a thermoset plastic produced as a foam. 29 W/m 2 k in line with building regulations (in this example we have use EWI-PRO 100mm graphite EPS with thermal conductivity λ=0. Polyurethane foam (PUR) and polyisocyanurate (PIR) are two classes of related polymers produced by the reaction of several components. ” In other words, a u-value is used to measure how well or how badly a building component transmits heat from the inside to the outside. U value: U = 0. 5. Basic EPS vs. Density / Strength U-value: Print: Home: Flat Roofs Flat Roof - Inverted; Walls Cavity Masonry Wall - Full Fill Cavity Insulation; Solid Masonry Wall - Internal Insulation; achieve the desired U-value. The lower the value, the better it insulates! The XR4000 insulation board range from Celotex has been designed to provide users with a thinner insulation board that still achieves high U values. wi lu ul zu rc re uv yj fe it