This website provides general information only about a chemical or class of chemicals; it does not and cannot provide safety information specific to any particular product or chemical, and it is not intended to be comprehensive or complete, and should not be relied upon to ensure safe and appropriate use of any particular product or chemical. Because the safety of any building and construction product requires an understanding of its specific chemical composition, as well as the intended uses of the product and potential exposure to various constituents, building and construction professionals should follow the specific instructions and product labeling provided by the product manufacturer.