Gillfab® 4004B


Gillfab® 4004B 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 flooring in the cargo areas of large commercial aircraft. The panel could be used as a low smoke, aircraft grade panel for galleys, flooring, and bulkheads. Three types of panels are available for high, medium and low strength applications.


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


4004B Ty I4004B Ty II4004B Ty II
Thickness, inch (mm)0.280 (7.11)
0.405 (10.29)
0.280 (7.11)
0.405 (10.29)
0.780 (19.81)
0.280 (7.11)
0.405 (10.29)
Facings thickness, face/back, inch (mm)0.015/0.015 (0.381/0.381)
Core TypeHigh-density
HD meta-aramid
HD meta-aramid
HD meta-aramid
Length, inch (mm)Typical 96 (2,438), Maximum 144 (3,658)
Width, inch (mm)Typical 48 (1,219), Maximum 60 (1,524)


Adhesive: Epoxy

Core: Gillcore® HD meta-aramid

Facings Reinforcement: Unidirectional glass fiber

Facings Resin System: Phenolic


  • BAe MAT 006 Ty 1-3

Alternative Gill Products

TGC Product No.Difference
Gillfab® 4004AThicker skin on the face side. For use as passenger flooring in high load areas.

Performance Properties, Typical

The following tests are run in accordance with MAT 006 specification requirements.

TGC Part Number4004B Ty II4004B Ty III
Thickness, inch (mm)0.281 (7.14)0.406 (10.31)
Weight, psf (kg/m2)0.470 (2.29)0.450 (2.20)
Long Beam Bending stress, psi (MPa)52,873 (365)39,666 (273)
Deflection @ 170 lbs, inch (@756N, mm)1.68 (42.67)0.73 (18.54)
Short Beam Shear Strength, psi (Mpa)400 (2.76)191 (1.32)
Drum Peel, in-lbs/3″ width (N/76mm width), face/back30 (133)30 (133)
FlammabilityMeet FAR 25.853 Part III

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

Join Our Team

Take your career to the next level and push the limits of possibility.

The Gill Corporation provides the products that solve your challenges.