100mm Roof Insulation U Value

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100mm roof insulation u value.

Easily identify what thickness of ecotherm insulation product you need to meet your project s u value requirements. Achieving a u value of 0 20w m meaning your roof will be better insulated than your walls will need 120mm thickness of rigid foam or 200mm of mineral wool or natural insulation. Use knauf insulation s free u value calculator. Ecotherm s u value calculator is simple free to use easy to tweak and provides an instant u value.

Specify your desired u value before immediately calculating the required insulation thickness and product selection. The easiest way of getting a u value calculation is by using our free online u value calculator. Reference table for u values u value is the coefficient of transmission i e the transmission of heat through the materials which compose the building s envelope or outer shell. The u value calculator covers all the main ways of building walls flat roofs pitched roofs and floors using kingspan insulation products.

For example a building with material with an r value of r 11 converts to an u value of 0 09 1 r or 1 11 0 09. 100mm xtratherm thin r is a foil faced polyisocyanurate pir insulation board formed by a blowing process which generates rigid foam composed of fine cells filled with pentane blowing agent trapped within the foam. For more information see our articles and how to videos below. U value has an inverse relationship to r value.

We provide u value calculations to show compliance with current building regulations standards and best practice. Use this tool to identify the u value of insulation you ll require for your walls floors or roof. The saint gobain insulation uk online u value calculator covers a variety of different insulation applications. Long term performance is ensured by the foil facings which are gas tight.

Notes to the table above. Register to gain access to our comprehensive technical library which contains helpful specification tools including the popular saint gobain insulation uk u value calculator bim objects and. The quick free and easy way to find out the insulation thickness and the u value you need for your building project. Work through your own construction detail to get an early indication of the u value that this might achieve.

With a flat roof this issue does not arise but the u value constraint and the amount of insulation needed is just the same. Pentane has very good insulating properties and gives thin r superb insulating capability.