Tight-Seal

Welcome to Tight Seal Glass Block, where we've been serving ALL of Northeast Ohio since 1994. Our family-run business is dedicated to providing top-notch glass block solutions for residential and commercial properties. From basement windows to bathroom renovations, we specialize in making your home or business a place you can be proud of.

Our journey began with a focus on glass block, an area we identified as a cost-effective upgrade for security, privacy, and thermal efficiency. Over the years, we've grown from humble beginnings in a parent's garage to becoming the largest wholesale and retail dealer of glass block in Northeast Ohio, with nearly one thousand windows in stock. Our commitment to quality and customer satisfaction has been the driving force behind our success.

Our Services

We offer a wide range of services, including residential and commercial glass block installations, bathroom and shower renovations, egress windows, and ventilation systems. Our team is equipped to handle projects of all sizes, from finishing a basement to renovating an entire business. We pride ourselves on being able to secure your home from intrusion and manage your monthly energy costs more efficiently.

Meet Our Team

Greg Spagnoletta, our founder, has been in the construction industry since his teenage years. With a passion for building and a dedication to customer satisfaction, he has led our company to become a respected name in Northeast Ohio. His brother, Tony, is also a key partner, and together they ensure that every project is completed with the highest level of quality and care.

Why Choose Us

At Tight Seal Glass Block, we're not just about installing glass blocks. We're about creating spaces that are secure, energy-efficient, and beautiful. We take pride in our work, and our customers appreciate the difference. From our initial consultation to the final installation, we're committed to making your experience seamless and stress-free.