Floor - Ground Floor - Timber - Input Required  help

Walking surface

Walking surface thickness


Floor joist width


Floor joist depth


Floor joist centres


Perimeter (P)


Area (A)


P/A Ratio

You can either select an insulation or enter the
target U-value you want to achieve below...


or Target U-value  W/m²k

Hover over me

Calculate U‑value


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