We're sorry to see your low star review. Because you did not provide any details regarding your experience or the reason that you were not satisfied with the product, it is difficult to provide you with a proper reply or any product usage guidance. Of note, for surface repairs on their fiber cement siding products, James Hardie recommends the use of dry mix portland cement-based patching compounds. Unfortunately, DAP does not offer such a product .At your convenience, please contact DAP’s Technical Customer Service Department at 888-327-8477 so that we can obtain some additional information from you regarding your experience.