Guji "kyau amma ba aiki da kyau" da kuma haɗa salon: pergola yana buƙatar haɗawa cikin yanayin gabaɗaya (alal misali, bangon waje na villa an yi shi da dutse, don haka ya fi dacewa don zaɓar dutse ko pergola na ƙarfe; Lambun yana mamaye shuke-shuke kore, kuma tsarin itace / rattan ya fi na halitta).