GAF OlyBond500 Insulation Adhesive, Part 1, Regular Grade, 5-Gallon PailOlyBond500 Part 1 Regular Grade Insulation Adhesive Two component polyurethane roofing adhesive for bonding insulation boards. This Part 1, Regular Grade formula is designed for new and re roof applications and cures in about 48 minutes depending on conditions. Key Features: Fast Chemical Cure: Secures boards in approximately 48 minutes depending on temperature and weather Versatile Application: Bonds insulation board to board and to most roof

OlyBond500 Part 1 Regular Grade Insulation Adhesive

Two-component polyurethane roofing adhesive for bonding insulation boards. This Part 1, Regular Grade formula is designed for new and re-roof applications and cures in about 4–8 minutes depending on conditions.

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Key Features:

• Fast Chemical Cure: Secures boards in approximately 4–8 minutes depending on temperature and weather
• Versatile Application: Bonds insulation board-to-board and to most roof substrates for new or re-roof projects
• Efficient Dispensing: Applied in 3/4"–1" bands that expand and rise to fill and hold
• Industry Approvals: Meets key standards and approvals including Miami-Dade, Florida Building Code, UL Classified, and FM Approved
• Contractor-Sized Package: 5-gallon pail Part 1 component for two-part system use

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Specifications Table:

Specification	Details
Component	Part 1 of two-component system
Grade	Regular
Packaging	5 Gallon Pail
Application Method	Dispense 3/4"–1" bands; place boards and walk in
Cure Time	Approximately 4–8 minutes depending on temperature and weather
Use	Adhere insulation board to insulation board and to most roof substrates; new and re-roof applications
Standards/Approvals	ASTM C518, ASTM D1621, ASTM D1622, ASTM D1623, ASTM D2369, ASTM D2842, ASTM D6226; Miami-Dade County Approved; Florida Building Code Approved; UL Classified; FM Approved
Style/Category	Roofing Insulation Adhesive

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Frequently Asked Questions (FAQ):

Q: Is this a complete adhesive system?
A: No. This is Part 1 of the two-component OlyBond500 system; use with the matching Part 2 component.

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Q: What substrates can it adhere to?
A: It is formulated to adhere various insulation board stocks to most roof substrates in new and re-roof applications.

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Q: How long does it take to set?
A: A chemical cure secures the board in about 4–8 minutes, depending on temperature and weather.

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Q: How is it applied?
A: Dispense in 3/4" to 1" beads; the adhesive expands, and boards should be placed and walked in to set.

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Q: What approvals does it carry?
A: Miami-Dade County Approved, Florida Building Code Approved, UL Classified, and FM Approved, with testing to several ASTM standards.

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Architectural Bonding Power with Clean, Professional Finish

OlyBond500 unifies the roof assembly with quiet confidence, delivering a seamless, professional surface that reads as intentional and refined. I love how the expanding bead locks insulation into a crisp, level plane—an elegant foundation for high-performance membranes. Pair it with rigid boards to create a sculpted, modern profile that feels both engineered and artful. It’s a behind-the-scenes essential that elevates the entire envelope to a standard of luxury and longevity.

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Choose OlyBond500 Part 1 Regular Grade to speed installs and secure a durable, code-compliant roofing assembly with confidence.