Pitched Roof U-Value Calculator (insulation at rafter level)

Pitched Roof U-Value Calculator (insulation at rafter level)

This calculator is designed to BR443 for the design pitched roof construction where the insulation is placed at the level of the rafter, for example with a typical loft-conversion. The calculator will allow insulation to be designed above, between and below the rafters, however unusual arrangements need to be considered for condensation risk and should always be discussed with the insulation manufacturer and your local Building Control department.

PITCHED ROOF U-VALUE CALCULATOR>>>

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