Perdure FE80 – Flexible Epoxy Flooring


Flexible Epoxy Membrane for Crack Isolation and Waterproofing

Perdure FE80 is flexible urethane epoxy for sealing cracks in concrete. Used underneath floor coating systems, Perdure FE80 resists cracking caused by horizontal substrate movement, providing a crack resistant, resilient, sound absorbent, waterproof, and durable floor.



Perdure FE80 is flexible urethane modified epoxy used as a crack isolation membrane under various Duraamen flooring systems. Perdure FE80 resists cracking caused by horizontal substrate movement, providing a crack resistant, resilient, sound absorbent, waterproof, durable floor. When it is used with various flooring systems it offers stress-relieving properties for floor slabs that show movement or vibration. Perdure FE80 is also used to treat the surface of individual cracks and properly filled and covered contraction joints (saw cuts). It is available in a wall grade formulation.

Engineered to adapt to the natural movements and expansions of substrates, flexible epoxy flooring provides exceptional resilience in dynamic environments. This specialized epoxy formulation is designed to accommodate the minor shifts and vibrations that occur within substrates, making it an ideal choice for spaces where temperature variations, heavy loads, and foot traffic are common. By maintaining its structural integrity while flexing with the underlying substrate, flexible epoxy flooring ensures long-lasting performance without sacrificing aesthetics. Whether in commercial, industrial, or residential settings, this flooring solution redefines durability by offering a seamless combination of strength and adaptability.


  • Crack Resistant – Flexibility Allows Horizontal Substrate
    Movement, Aids in Suppression of Reflective Cracking From
  • Advanced Technology Maintains Flexibility in Cold
  • Increased Tensile and Bonding Strength Versus Epoxy-Only
  • Higher Compressive Modulus Provides Greater Support for
    Heavy Point Loads Versus Softer Membranes
  • Optional Scrim Cloth Reinforcement
  • VOC < 25 g/L, Meets USGBC LEED Criteria and All VOC
    Regulations Including Los Angeles SCAQMD
  • Low Odor for Use in Occupied Areas
  • Ultimate Elongation of 140–150%
  • Reduces Noise Created by Mechanical Vibrations
  • Meets USDA Requirements

Additional information

Weight N/A
Dimensions N/A

2.00gal, 10.00gal

Technical Details

Working Life (spread on substrate) 25–30 min. Cure Time, Tack Free 10–12 hours @ 75°F
Recoat Time 12–48 hours @ 75°F Full Set Time 48–72 hours
Full Cure 5–10 days Thermal Cycling ASTM C884 No Cracking
Flammability ASTM D635 Concrete Surfaces Impact Resistance ASTM D2794 16
Hardness Shore D ASTM D2240 60–75 Hardness Shore A ASTM D2240 70–80
VOC Content ASTM D2369 (EPA Method 24) < 25 g/L Adhesion (unprimed) ACI 503R, ASTM D7234 300+% concrete failure varies by concrete strength
Tensile Strength ASTM D412 1,650 psi Ultimate Elongation ASTM D412 140–150%


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