Notes on your floor renovation is always calculated on the basis of your own flooring system. The DUOFOR app offers several handles itself - quickly and easily - to implement a floor renovation.calculatorsHome on the couch or on the construction site: the DUOFOR app you can always and everywhere calculate a floor renovation.calculating beam LowSimply check the strength and stiffness of your wooden beams. So you see qualifying at a glance whether your existing beams for a dovetail plates floor.Combifor Duofor and dry CombiforCalculate a Combifor floor. Specially the app DUOFOR two calculators: make Combifor calculation Duofor dovetail plates and mortar finish and make the calculation Combifor wood Top floor.Get materialQuickly and easily calculate the material represents a Combifor floor and calculated Combifor material purchased directly from the app.processingSee instructions directly on the site and ask all your flooring questions with one touch directly from within the app.