About us
Protecting your projects with reliable waterproofing solutions for over
50 years
our story
For over 50 years, DRI-LOK Systems has been helping clients keep their projects safe from water damage. Established by Don Delp Sr. and passed on to Don Delp Jr., the company is built on a foundation of quality and customer service. That same commitment will remain for the next 50 years. Our DRI-LOK Waterproofing System is a spray-applied bentonite membrane that works on all kinds of surfaces like concrete, masonry block, brick, stone, wood, and even sheet piling. We’ve completed thousands of projects across Ohio and nearby states, earning the trust of homeowners and businesses alike.
At DRI-LOK Systems,
we believe in going beyond just delivering a product—we’re here to create solutions that truly meet the needs of our clients. From start to finish, we focus on understanding the unique challenges of each project, applying our years of expertise to provide results that last. Our team is made up of skilled professionals who share a commitment to quality, craftsmanship, and integrity. Whether it’s a massive commercial build or a custom home project, we approach every job with the same level of care and dedication.
What makes DRI-LOK Systems stand out?
It's our unwavering commitment to providing the best value for our clients. We know how important it is to balance quality and cost, which is why we work hard to deliver a top-notch product and service at a competitive price. For us, it’s about more than just waterproofing—it’s about building relationships, protecting investments, and contributing to the success of every project we’re a part of. As we look to the future, we’re excited to continue bringing our expertise to the projects that shape our communities.
