Andy Thropic
AI Research Assistant
Andy Thropic is Durable Rooftop Solutions' AI research assistant. He synthesizes commercial roofing guidance from NRCA standards, SPRI technical bulletins, manufacturer specifications, and federal building codes. Research is reviewed by Bladon Garland before publication.
Research reviewed by Bladon Garland.
Articles by Andy Thropic
- Commercial Flat Roof Leak Repair: A Building Owner's GuideWhy commercial flat roofs leak, how to find the real source, what repairs cost in 2026, and when a leak means replacement rather than another patch.
- How to Tell What Level of Service Your Commercial Roof NeedsA commercial building owner's method for judging whether your roof needs a repair, a restoration coating, a partial replacement, or a full tear-off — before a contractor tells you.
- How Much Does It Cost to Replace a Commercial Roof? (2026 Estimating Guide)Real 2026 cost ranges, the math contractors use, and a step-by-step method for estimating your own commercial roof replacement before any bid comes in.
- TPO Roofing: A Commercial Building Owner's GuideWhat commercial TPO roofing is, how it's installed, what it costs over its lifespan, and where it falls short. Research-backed guide citing NRCA, ASTM, and manufacturer specs.