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Roofing Felt / Membrane Calculator
1m × 50m roll = 50 m². Add 100mm laps.
Frequently asked questions
How do I use the roofing felt / membrane calculator?
Enter your measurements and options into the Roofing Felt / Membrane above and the result updates instantly. 1m × 50m roll = 50 m². Add 100mm laps.
Is the roofing felt / membrane calculator free to use?
Yes — every TradesMate calculator is free to use with no sign-up. Save quotes and use the full estimator with a free trial.
Are the results accurate enough to quote from?
The figures are reliable estimates based on standard UK trade practice. Always allow for wastage and verify against current material prices before quoting a customer.
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