You'll need*Coverage estimates on flagstone are always approximate and will vary with the installation technique. All coverage estimates allow for nominal joints between the flagstone material. Remember that all stone can be finished with water sealers and clear protective coating that bring out the true colors of the stone, and will protect the stone. This calculator is designed to give the approximate weight to order for a stone construction project. Since stone is irregular, area coverage may vary significantly due to the product selection, the individual project, and installation technique. It is our suggestion that this information be used as a guideline.
for your project.