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Roofing

Roofing Material Calculator

Sheets or tiles for a roof area, with the side and end laps taken out of the covering size.

m²

Use the Roof Area Calculator first if you only have the footprint.

Usually one and a half corrugations.

%

Hips and valleys cut more waste than a plain gable — allow 15% or more.

Your result will appear here

Fill in the fields and press Calculate. Nothing is sent anywhere — the arithmetic runs on your device.