Kluswijzer - De juiste hoeveelheid voor elke klus app for iPhone and iPad

The app to own for contractors, carpenters, masons, architects and everyone building something or doing some home improvement.
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With handy tools to determine your quantities:
-How many bricks, mortar and grout do you need for your new wall?
-How many tiles, mortar or glue do you need for your bathroom
-Make your own 123 concrete with these ingredients
-How many wooden beams do you need for your floor?
-How much paint should you buy for the job?
-How much roof tiles should I get?
-How many planks do I need for the fence?
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Thank you for considering!