Gillfab® 4004A


Gillfab® 4004A is a low smoke sandwich panel made from unidirectional fiberglass reinforced phenolic facings bonded to Gillcore® HD meta-aramid honeycomb core.


The panel is designed for use as passenger flooring in high load areas such as entries, galleys and lavatories in commercial aircraft.


  • High impact strength
  • Corrosion resistant
  • Low smoke and toxicity generation
  • Light weight
  • Service temperature range: to 180°F (80°C)


Thickness, inch (mm)Typical 0.410 (10.4)
Length, inch (mm)Typical 96 (2,438)
Maximum 144 (3,658)
Width, inch (mm)Typical 48 (1,219)
Maximum 60 (1,524)
Facings thickness, inch (mm), face/back0.015/0.015 (0.381/0.381) and 0.030/0.015 (0.762/0.381)


Adhesive: Epoxy

Core: Gillcore® HD meta-aramid

Facings Reinforcement: Unidirectional glass fiber

Facings Resin System: Phenolic


  • British Aerospace BAER 3232
  • FAR 25.853 and 25.855. Fire resistance

Alternative Gill Products

TGC Product No.Difference
Gillfab® 4004BOffering additional panel thicknesses and honeycomb options for cargo flooring in commercial airplanes.

Performance Properties, Typical

The following tests are run in accordance with BAER 3232 specification requirements.

TGC Part Number4004A*
Weight, psf (kg/m2)0.784 (3.83)
Long Beam Bending, lbs-in/in-width (N)489 (2,175)
Deflection @ 170 lbs, inch (@756N, mm)0.20 (5.08)
Short Beam Shear Strength, psi (Mpa)837 (5.77)
Flatwise Compressive Strength, psi (Mpa)2,358 (16.26)
Drum Peel, in-lbs/3″ width (N/76mm width), face/back12/15 (53/67)
Impact at 80 inch drop heightNo damage
FlammabilityMeet FAR 25.853 App F Part I

* Test based on 4004A panels with 0.030″/0.015″ facings.

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

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