PROBLEM TO BE SOLVED: To provide a rooftop greening landscape gardening method that uses a parting material that is lightweight, in which there is design freedom, and that has weatherability, is excellent in workability, and has high safety in a greening method in which the whole or a part of a rooftop is divided by the parting material, and soil is laid down in the part.SOLUTION: An L-type angle made of a resin is used as a parting material. The L-type angle 20 made of a resin that is provided with R for the entire corner of an involving side is used as the parting material.COPYRIGHT: (C)2014,JPO&INPIT【課題】屋上の全体または一部を見切り材で区画し、その部分に土壌を敷設して緑化する方法において、軽量、設計の自由度があり、耐候性を有し、作業性に優れ、かつ安全性の高い見切り材を用いた屋上緑化造園方法を提供する。【解決手段】内包側の隅角部全体にRを設けた樹脂製L型アングル20を見切り材として使用する。【選択図】図2