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NovaFlex® Metal Roof Sealant

NovaFlex® is a complete line of one-part and two-part sealants meeting the needs of window, door, siding, and metal roof manufacturers, dealers, building material wholesalers and contractors.


Metal Roof Adhesive Sealant

NovaFlex Metal Roof Sealant is a non-corrosive, single-component, oxime-cured, silicone sealant and/or adhesive. This product is a general purpose compound that is used most frequently as a seam sealant or joint filler to help prevent a roof leak in metal roof systems.

NovaFlex Metal Roof Sealant is a single-component, high-solid, low-odor material. It cures to a medium modulus, flexible, and durable rubber-like solid. NovaFlex Metal Roof Sealant will develop primerless, exceptional adhesion to most common construction substrates, and the neutral cure is compatible with most materials.

Recommended for Sealing: Metal siding/metal roofs, gutters, wood, steel, chimney flashing, snow guards, pipe boots, and downspouts/trim.

Professional Grade

Technical Information

Appearance: Colored paste

Application Temperature: -20°F to 160°F
(-29°C to 71°C )

Service Temperature: -40°F to 400°F
(-40°C to 204°C )

Adhesion: Excellent to most common
building materials

Consistency: Non-sag

Bridging Ability: Excellent, bridges gaps to 3/8"

Gunning Ability: Easy to gun

Durability: +/- 35-50% depending on

Flexibility: Very good to -10°F

Water Resistance: Good, not to be submerged

Exterior Weathering: Excellent

Aging: Excellent

Not Recommended: For surfaces that are to be painted, for joints submerged under water

Freeze-Thaw Stable: Will not freeze

Odor: None

Skin Time:

  • 40 minutes (40°F/40% relative humidity)
  • 10 minutes (75°F/50% relative humidity)
  • 5 minutes (95°F/95% relative humidity)

Cure Through Time:

  • 48 Hours (75°F/50% relative humidity)
  • (14 days for OEM window applications)

Solids: 97%

Why choose NovaFlex® Construction Adhesives and Sealants for your Application?

NovaFlex® Metal Roof Sealant provides unbeatable adhesion to standard metal, coated metals, wood, masonry, PVC and most common construction materials.

  • Excellent adhesion and flexibility
  • Mildew resistant
  • Freeze thaw stable
  • Service temperature -40ºF to +400ºF
  • Application temperature -20ºF to +160ºF
  • Tack free in 10 minutes
  • Completely cured in up to 2 days
  • Adheres to: PVDF coated metals
  • Meets CARB and OTC regulations (VOC Compliant)
  • Meets or exceeds ASTM C-920-00, TT-S-001543A and TT-S-230C

Adheres To

Recommended For Sealing and Bonding Around

Packaging information




Color Match



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