Protecting Your Structures with Excellence and Integrity
A Legacy of Expertise in Masonry Restoration and Waterproofing
Founded in 1903, Keystone Waterproofing has evolved from a humble bricklaying and masonry company into a leading authority in masonry restoration and waterproofing across the Mid-Atlantic region. With over a century of experience, we have restored and protected countless historic buildings, educational institutions, religious facilities, healthcare centers, and government structures.
Our Expertise
At Keystone Waterproofing, we offer a comprehensive range of services designed to restore, protect, and enhance the beauty and integrity of masonry and concrete structures. Our skilled team of restoration experts specialize in:
Structural Restoration
- Masonry cleaning and restoration
- Repointing and tuckpointing
- Brick, stone, and terracotta replacement
- Steel lintel replacement
Protection and Waterproofing
- Water repellent treatments
- Concrete restoration and injection
- Waterproofing systems for foundations and below-grade areas
Specialized Services
- Epoxy injections for structural strengthening
- Historic monument restoration
- Interior marble cleaning and restoration
- Lightweight concrete replicas and repairs
Our Commitment
Our unwavering commitment to exceptional craftsmanship, attention to detail, and client satisfaction has earned us a reputation for excellence. We believe in:
- Personalized and collaborative approach to every project
- Use of only the highest quality materials and techniques
- Respect for the history and character of each structure
- Open communication and transparency throughout the process
Experience and Results
Throughout our extensive history, we have successfully completed projects of varying sizes and complexities for clients across diverse sectors. We take great pride in our ability to restore and revitalize historic buildings, ensuring their preservation for generations to come.
Partnering with Keystone Waterproofing, you can expect
- Responsive and personalized service
- Collaborative approach with open communication
- Attention to detail and precision
- Quality craftsmanship and materials
- Commitment to sustainability and historical preservation

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