Seams are one of the most important parts of an industrial metal roofing system—they’re where panels connect, and if not sealed correctly, they can lead to leaks. At L&L Roofing & Construction, we use proven methods to ensure every seam on your Gainesville facility’s roof is watertight and built to last.
Sealing Methods for Industrial Metal Roofs
- Standing Seam Panels
- Seams are raised above the water plane and mechanically locked or snapped together.
- Concealed fasteners and sealant strips create a continuous watertight seal.
- Best for long-term performance (40–70 years).
- Exposed Fastener Panels (R-Panel, Corrugated)
- Seams overlap and are secured with gasketed fasteners.
- Butyl tape or sealant is applied between overlaps for leak protection.
- Requires periodic inspection to maintain watertightness.
- Sealant & Gasket Technology
- Butyl rubber, silicone, or polyurethane sealants are applied at panel overlaps.
- Fasteners include neoprene or EPDM gaskets to prevent water intrusion.
Why Proper Seam Sealing Matters
- Prevents leaks in high-rainfall areas like North Georgia.
- Protects insulation and interior contents from water damage.
- Extends the roof’s service life and maintains warranty coverage.
FAQ: How Are Seams Sealed on Industrial Metal Roofs?
Q: Which system has the best seam protection?
A: Standing seam panels are the most watertight because their seams are raised and mechanically locked.
Q: Do seams need maintenance?
A: Yes. Exposed fastener systems should be checked regularly, while standing seam systems need less upkeep.
Q: Can failed seams be repaired?
A: Absolutely. We reseal overlaps, replace fasteners, or apply coatings to restore watertightness.
Q: Do sealants wear out over time?
A: Yes, butyl and gasket materials weather over decades. Routine inspections keep seams performing properly.
At L&L Roofing & Construction, we believe in honesty, integrity, and doing the right thing. That means sealing every seam with care and inspecting them regularly to keep your roof performing for decades.
Call us today at (770) 874-0372 to schedule a seam inspection or learn more about industrial metal roofing in Gainesville.