Leading the Way with First Firestop Certification in Denver

August 27, 2025

We’re excited to share that Kinzler Construction Services in Denver, CO, is now officially one of the first in the industry to receive Firestop Certification under the City and County of Denver‘s new regulations.

Denver recently became one of only two cities in the U.S. to implement mandatory Firestop Certification requirements, raising the bar for safety and accountability on job sites. Kinzler’s General Manager, David Valenzuela was not only among the first to meet these rigorous new standards but was also recognized on-site by city officials as the first to complete the full CLA certification requirement.

This milestone reflects what we’re all about at Kinzler: doing things right, staying ahead of evolving codes, and leading the way as the industry continues to raise expectations.

And we’re not stopping here, David is already taking steps to ensure our entire install team is certified and prepared to meet the future of fire stop compliance head-on because when change comes, we’re not waiting for it. We’re leading it.

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