Gillfloor® 4609


Gillfloor® 4609 is a light weight, high strength and low smoke flooring panel made from unidirectional carbon fiber reinforced phenolic facings bonded to Gillcore® HD honeycomb.


The panel is designed for use as flooring panels in cabin compartments of commercial aircrafts.


  • High impact strength
  • Light weight
  • Low smoke generation
  • Service temperature up to 180°F (82°C)


4609 Ty L4609 Ty M
Thickness, inch (mm)0.400 (10)
Facing, face/back, inch (mm)0.014/0.014 (0.356/0.356)
Length and width, inch (mm)Typical 48 x 96 (1,219 x 2,438)
Maximum 72 x 96 (1,829 x 2,438)
HoneycombGillcore® HD low-densityGillcore® HD medium-density


Adhesive: Phenolic

Core: Meta-aramid

Facings Reinforcement: Unidirectional carbon fiber

Facings Resin System: Phenolic


  • British Aerospace AVN 3-005
  • British Aerospace BAER 3231 Rev. 1 Grade L
  • British Aerospace BAER 3231 Rev 1 Grade M
  • FAR 25.853 – fire resistant

Alternative Gillfloor® Products

TGC Product No.Difference
Gillfloor® 4509Phenolic graphite facings bonded to low and medium-density Gillcore® HD meta-aramid core
Gillfab® 4505Phenolic graphite facings bonded to medium-density Gillcore® HD meta-aramid core
Gillfloor® 4709Epoxy graphite facings bonded to low and medium-density Gillcore® HD meta-aramid core

Performance Properties, Typical

The following tests are run in accordance with AVN 3-005 specification requirements.

TGC Part Number4609 Ty L4609 Ty M
Weight, psf (kg/m2)0.381 (1.86)0.534 (2.61)
Long Beam Bending, lbs-in (Nm/mm)272 (31)255 (29)
Drum Peel, in-lbs/in-width (N/25mm width)Face side10 (1.17)9 (0.97)
Bottom side10 (1.17)7 (0.83)
Flatwise Compressive, psi (N/mm2)598 (4.12)1714 (11.82)
FlammabilityMeets FAR 25.853 & 855 Appendix F Part I
Food roller cart, cycles (lb/wheel – N/wheel)No depression at 160k
(33 – 147)
No depression at 160k
(100 – 445)

Figures shown reflect typical values and should not be used as design specifications.

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