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D9100: Flame Retardant Aircraft Waterseal Tape (Patco)

D9100: Flame Retardant Aircraft Waterseal Tape (Patco)


Berry Plastics Patco D9100 Flame Retardant Aircraft Waterseal Tape

A tough, exceptionally elastic and durable polyurethane film tape designed as a moisture seal for floor joints in wet areas (galleys, lavatories, entryways) of aircraft floors. Recommended by Boeing Commercial Airplane Group. Pressure sensitive, repositional, flame retardant and sealant compatible Tough and durable. Water resistant. Helps prevent corrosion on floor structure. Ease of application. Meets all interior F.R. requirements. Can go directly over wet sealant. Fast application. Allows visible inspection. Allows wide width usage. Can be die-cut to various shapes.

2" rolls / 24 per case

3" rolls / 16 per case

4" rolls/ 12 per case

Contact AEROTAPE for incredible case discount pricing!



  • Floor joint sealing on aircraft decking in all wet areas.
  • Surface protection.
  • Sound dampening.


Tech Specs
Backing Interior-Grade Aromatic Polyurethane
Adhesive Type Urethane-Based
Total Thickness 9 mils
Adhesion to Steel 40 oz/in
Tensile Strength 60 lb/in
Elongation 600%
Colors Transparent


Note: Specifications are those given by manufacturers and are not tested for accuracy.

Nominal Tape Widths vs Actual Widths

Tape rolls are cut to standard tape industry metric widths of approx. 24mm per 1-inch of nominal width ordered. As a result ACTUAL tape widths are normally 5% narrower than the NOMINAL width shown in inches. Examples:

  • 1" Nominal width = 15/16" (24mm) Actual width
  • 2" Nominal width = 1-7/8" (48mm) Actual width
  • 3" Nominal width = 2-13/16" (72mm) Actual width

Note that tape rolls are NOT guaranteed to be splice-free.