In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".

how long is a flat membrane roof good for?, Answer: As gravel cannot protect tarpaper surfaces where they rise vertically from the roof such as on parapet walls or upstands, tarpaper variants are produced with fine gravel applied to the hot tar during the process of manufacture such that a permanent layer of gravel is stuck to it in order to give it ongoing protection.
No