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AES-300 Flexible Epoxy  Sealant, TAN Color, 0.8G Kit - Superseded to Novatuff-300.   Advanced Epoxy Systems AES-300, 2-part Flexible Epoxy Caulking/Sealant System, *TAN* Color. 0.8-Gallon Kit. Price/Kit. (Flammable when liquid, UPS Ground or truck shipment only).
AES-300 Flexible Epoxy Sealant, TAN Color, 0.8G Kit
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PRODUCT: Superseded to Novatuff-300. Advanced Epoxy Systems AES-300, 2-part Flexible Epoxy Caulking/Sealant System, TAN Color . 0.8-Gallon Kit. Price/Kit. (Flammable when liquid; UPS Ground or truck shipment only).

  • An outstanding butter grade 2-part epoxy sealant, applied by stiff brush or putty knife. Suitable for joints, crack repair, seam sealant, etc.
  • Its molasses-like viscosity fills cracks and crevasses, self priming.
  • Provides a 200% elongation very tough long-term secure barrier to water penetration.
  • Location:
    • Interior or Exterior. UV Resistant. Will not oxidize.
    • Above or Below Grade, including underwater / continuous immersion.
    • Vertical or Horizontal
  • Adheres even to damp surfaces (cleaned) without priming (but fully dry is best).
  • Self priming to most materials (very porous materials would benefit from a penetrating epoxy primer).
  • Paintable.
  • Stays flexible yet tough through years of harsh service.
  • Withstands attacks from most chemicals, traffic, and severe environments.
  • Retains flexibility in sub-zero conditions.
  • Withstands ponding water.
  • 100% adhesion of product to substrates.
  • Will not stain substrates.
  • Chemical Resistance: Epoxy is resistant to jet fuel, gasoline, oil, water, most acids, most alkalines, hydrocarbons.
APPLICATIONS: AES-300 is a flexible two-part epoxy sealant designed to provide superior long-term protection and waterproofing to all types of surfaces, seams and joints. Its ideal to repair hard to fix areas, extreme environment applications, roof membrane seams, chemical containment, underwater / ponding water sealant situations.
  • Metal roof screws (with old worn-out rubber washers)
  • Vertical joints which are jet fuel, diesel or gasoline exposed.
  • Limitations: Maximum 1/2" joint width. Not for >25% movement joints. Joints over 1/4" require backer rod.
  • Containment facilities
  • Hard to access areas
  • Not for potable water, fish tanks, etc.
APPLICATION: Read product data sheet and MSDS sheets before opening and use.
AES-300 can be applied by brush, trowell, putty knife, spatula etc.
Read Product Data Sheet for details.

0.8 Gallon Kit yields about 120 feet of 1/2" x 1/4" joint size. For other size yields, see the Yield Rate Estimating Chart.

Pot Life- 2 hrs @ 80°F
Return to Service Time- 24 hrs @ 80°F
Complete Cure - 7 days @ 80°F

Other colors available with 20 gallon minimum special order.

Personal protection required. Read MSDS sheet prior to opening and using.

MSDS Sheet
Product Data Sheet

Email us at or
Call us at 1-800-474-7570 or 602-272-8128
You'll get a prompt reply!

similar product terms: epoxy sealant, joint sealant, elastomeric sealant, epoxy roof coating, aes sealant, elastomeric coating, elastomeric roof coating, airport sealant, jet fuel sealant


  Associated Items:  
NovaTuff C-300 Flexible Epoxy Sealant, TAN Color, 0.8 Gallon Kit
NovaTuff C-300 (formerly AES-300) Flexible Epoxy Sealant, 2-part Flexible Epoxy Caulking/Sealant System, TAN Color, Vertical grade. 0.8 Gallon Kit. Price/Kit. (lead time 2-4 days; Flammable when liquid, UPS Ground or truck shipment only).
$85.00 $78.95
Quantity:     Add to Cart

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