R S Herder Corporation, based in southeast Arizona and serving the Tucson area since 1977, is an expert in installing waterproofing systems for structures. They use Krystol products by Kryton International, which seal the pores in concrete or concrete blocks, providing advanced protection against water and moisture. This in-depth concrete waterproofing ensures a lifetime of protection, even in the face of surface wear or abrasion, potentially reducing or eliminating costly repairs. Customers have praised the company for their extensive renovation work on commercial balconies and stairs, noting the high-quality finish and problem-solving abilities of their crew. The company has also been commended for their attention to detail in identifying and fixing roof leaks, as well as for their easy-to-work-with approach and suitable product applications that prevent leaks while maintaining a visually pleasing result. Recent reviews highlight the affordability and professionalism of the team, with customers expressing confidence that issues have been successfully addressed and praising the thorough, timely work done on projects such as garages and other structures.
Randy and team repaired the stairs and stairway landing at our home. They did a fantastic job, start to finish. Very communicative, professional, and thorough, through and through. 10/10 recommend for repairs of this nature!
May 2026
Really great guys. Randall was very helpful. Jason is a diligent worker, making sure he knows his stuff before jumping into it
December 2025
Randall Herder has a high level of personal and professional accountability. He recently fixed a situation that one of his employees was involved in. He did so in a manner that was utmost professional and appropriate. I recommend doing business with him.
