There, he first mounted a 4-centimeter-thick frame on the wall, then covered it in a 1-centimeter-thick layer of waterproof PVC. Next, he used a nail gun to attach three layers of non-woven felt (0.3 centimeters thick) to the PVC.
以兩廳院的「綠色交響曲」為例，施工時先在牆上架設 4 公分厚的不鏽鋼架，再鋪上 1 公分的 PVC 防水板；防水板上再以釘槍固定 3 層毛氈層不織布（總共 0.3 公分厚）。