Calculating the right quantity of EPS Cement Sandwich Wall Panel for your construction project is easy, and it will help you avoid over-ordering or running out of panels halfway through installation. First, measure the total length and total height of every wall in your project, multiply them together to get the total gross wall area in square meters. Next, subtract the total area of all doors, windows and large openings from this gross number, to get the net actual wall area that needs to be covered. A standard EPS Cement Sandwich Wall Panel is usually 3 meters long and 0.6 meters wide, which covers exactly 1.8 square meters of wall area per panel. Divide your net wall area by 1.8 to get the base number of panels you need, then add an extra 3-5% extra panels to account for cutting waste and small custom openings. This small extra buffer ensures you will not run short of panels, and any leftover full panels can be easily stored and used for future projects. Double check your measurements before placing your order, and you will get exactly the right amount of EPS Cement Sandwich Wall Panel for your build, with minimal material waste and maximum cost efficiency.