PARIS (S&P Global Ratings) Dec. 7, 2021--S&P Global Ratings today said that France-based building solutions group Compagnie de Saint-Gobain (BBB/Stable/A-2) will still have healthy rating headroom after its cash-funded acquisition of U.S.-based GCP Applied Technologies (BB/Watch Pos/--). This reflects Saint-Gobain's solid balance sheet as well as our expectation of a very strong business performance in 2021. We anticipate that the company's ratio of funds from operations (FFO) to debt will decline toward 25% by the end of 2022, which compares with more than 30% in 2021 and well above the downside threshold of 20% for the current rating. On Dec. 6, Saint-Gobain announced that it had signed a definitive agreement to acquire all of the outstanding shares of GCP in