Edge and Void Fillers

Use void filler to reinforce honeycomb voids and load-bearing voids. Edge filler strengthens honeycomb edges by preventing sag without adding a significant amount of weight. Aircraft filler is a lightweight, low-density compound that also provides a moisture barrier, adds compressive strength, and hardens as a non-brittle solid to maintain flexibility. Aircraft filler also acts as a moisture barrier and noise dampener for sandwich structures. Stock up on dependable brands, including 3Mand others.
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Stiffener-Interspar
Stiffener-Interspar
The Boeing Company

Mfr Part#
65-20717-293AOG

Filler, Rectangular, Radiused Edge, Aluminum
Filler, Rectangular, Radiused Edge, Aluminum
The Boeing Company

Mfr Part#
BACF3H07RP028HN

Co-Bonded Filler - Panel, Lower Wing, Kit
Co-Bonded Filler - Panel, Lower Wing, Kit
The Boeing Company

Mfr Part#
112W3742-911R

Filler P40 Panel
Filler P40 Panel
The Boeing Company

Mfr Part#
284W8045-112

L.Edge Assembly-Bonded
L.Edge Assembly-Bonded
The Boeing Company

Mfr Part#
184T1007-901

Filler, Rectangular, Radiused Edge, Aluminum
Filler, Rectangular, Radiused Edge, Aluminum
The Boeing Company

Mfr Part#
BACF3H05BF005AN

Filler, Rectangular, Radiused Edge, Aluminum
Filler, Rectangular, Radiused Edge, Aluminum
The Boeing Company

Mfr Part#
BACF3H11VK008HG

Thermoformed ABS Sheet-Corner Coupler
Thermoformed ABS Sheet-Corner Coupler

Mfr Part#
415U9050-169B

Stiffener-Edge Support, Paxxentr Entry D
Stiffener-Edge Support, Paxxentr Entry D
The Boeing Company

Mfr Part#
131W1257U4201

Stiffener-Edge Support, Paxxentr Entry D
Stiffener-Edge Support, Paxxentr Entry D
The Boeing Company

Mfr Part#
131W1257Y4201

Molded Seal-Header Corner Filler, Single Mode Alignment
Molded Seal-Header Corner Filler, Single Mode Alignment

Mfr Part#
480W3300-6B

Filler Strip
Filler Strip

Mfr Part#
483Z3102-6

Edge-Stiffener
Edge-Stiffener

Mfr Part#
411U4497-34

Edge-Stiffener
Edge-Stiffener

Mfr Part#
411U4497-43

Edge-Stiffener
Edge-Stiffener

Mfr Part#
411U4497-8

Edge-Stiffener
Edge-Stiffener

Mfr Part#
411U4497-32

Edge-Stiffener
Edge-Stiffener

Mfr Part#
411U4497-33

Edge-Stiffener
Edge-Stiffener

Mfr Part#
411U4497-41

Edge-Stiffener
Edge-Stiffener

Mfr Part#
411U4497-9

Molding, Edge
Molding, Edge

Mfr Part#
65B10788-10

Frequently Asked Questions

What is aircraft void fill?

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Void filler is a lightweight, low-density compound that reinforces honeycomb to maintain flexibility and act as a strong moisture barrier and noise dampener.

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