If you have several doors or windows, add up the measurements and enter the total.
Since every manufacturer offers these products in various formats, the results shown here are an estimate.
1Thickness may vary from one manufacturer to another.
This calculator is provided to help you plan your project. The results you obtain should be interpreted as an estimate based upon the measurements you entered, and not as a definite recommendation. RONA cannot guarantee the quality of the results obtained without having previously verified the exactness of your measurements or measurement estimates. For detailed advice about your project, consult your RONA retailer.