PIR Insulation U-Value Calculator

PIR Insulation U-Value Calculator

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FAQs

What is the U-value of PIR insulation? The U-value of PIR insulation typically ranges from 0.022 W/m²K to 0.026 W/m²K.

What is the U-value of 100mm Kingspan? The U-value of 100mm Kingspan insulation is approximately 0.022 W/m²K to 0.024 W/m²K.

What is the U-value of Celotex? The U-value of Celotex insulation varies depending on the product and thickness but generally falls between 0.021 W/m²K to 0.026 W/m²K.

What is the U-value of 100mm loft insulation? The U-value of 100mm loft insulation is approximately 0.040 W/m²K to 0.045 W/m²K.

Is 25mm PIR insulation enough? 25mm PIR insulation alone may not be sufficient for achieving desired thermal performance in most applications.

Is 100mm PIR insulation enough? 100mm PIR insulation can provide effective thermal insulation in many building applications, but it depends on specific requirements and local building regulations.

What is the U-value of 120mm Celotex? The U-value of 120mm Celotex insulation typically ranges from 0.018 W/m²K to 0.022 W/m²K.

What is the difference between Celotex and Kingspan? Both Celotex and Kingspan are brands of insulation materials, but they may differ in terms of composition, manufacturing processes, specific product lines, and performance characteristics.

How do you get the 0.18 U-value wall? Achieving a U-value of 0.18 for a wall typically involves using high-performance insulation materials with appropriate thickness and ensuring proper installation techniques to minimize thermal bridging and air leakage.

What is the U-value of 70mm Celotex? The U-value of 70mm Celotex insulation is approximately 0.020 W/m²K to 0.024 W/m²K.

What is the U-value of 200mm Celotex? The U-value of 200mm Celotex insulation is approximately 0.016 W/m²K to 0.018 W/m²K.

What is the U-value of 75mm Celotex? The U-value of 75mm Celotex insulation is approximately 0.019 W/m²K to 0.023 W/m²K.

What insulation has the highest U-value? Generally, materials with poor insulating properties, such as metals or single-pane glass, have the highest U-values.

What is the U-value of 60mm Celotex? The U-value of 60mm Celotex insulation is approximately 0.020 W/m²K to 0.025 W/m²K.

What is the U-value of 100mm exterior wall insulation? The U-value of 100mm exterior wall insulation varies depending on the specific insulation material used and the overall construction of the wall assembly.

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Is 25mm Celotex worth it? 25mm Celotex insulation may provide some thermal benefit, but it may not meet the required insulation standards or provide significant energy savings compared to thicker insulation options.

What’s better than PIR insulation? Some insulation materials, such as phenolic foam or vacuum insulation panels, may offer better thermal performance than PIR insulation in certain applications.

Why is PIR insulation so expensive? PIR insulation can be more expensive due to its superior thermal performance, fire resistance properties, and manufacturing processes compared to other insulation materials.

Does Celotex need an air gap in walls? Celotex insulation typically does not require an air gap in walls but should be installed according to manufacturer guidelines and local building codes to ensure optimal performance.

What thickness of Kingspan should I use? The appropriate thickness of Kingspan insulation depends on factors such as the desired level of thermal performance, building regulations, and specific application requirements.

How much better is Celotex than Rockwool? Celotex and Rockwool have different properties and applications. Celotex generally offers better thermal performance, especially in terms of U-values, compared to Rockwool insulation.

What is the thermal value of 100mm Celotex? The thermal conductivity value (Lambda, λ) of 100mm Celotex insulation is typically around 0.021 W/mK to 0.023 W/mK.

What is the R value of 25mm PIR insulation? The R-value of 25mm PIR insulation is approximately R-5 to R-6 per inch (or about R-1.25 to R-1.5 per 25mm).

What is the thermal value of 50mm Celotex? The thermal conductivity value (Lambda, λ) of 50mm Celotex insulation is typically around 0.021 W/mK to 0.024 W/mK.

Why is Kingspan more expensive than Celotex? The pricing difference between Kingspan and Celotex insulation can be influenced by factors such as brand reputation, product features, manufacturing costs, and market demand.

Does Kingspan insulation need an air gap? Kingspan insulation typically does not require an air gap but should be installed according to manufacturer guidelines and local building codes for optimal performance.

Do I need a vapor barrier with Kingspan? The necessity of a vapor barrier with Kingspan insulation depends on the specific application, building design, and local climate conditions. In some cases, a vapor barrier may be recommended to prevent moisture issues.

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