Before the install, you need a clean cut. Whether you are using a hot wire cutter or a CNC needle cutter, follow these steps:
Foam often has a "skin" from the manufacturing process. Use light sandpaper (220 grit) on the edges where the foam sections will join to ensure the adhesive penetrates the cells. 3. The Installation Process: Step-by-Step devfus foam crack install
Use the alignment holes generated by DevFus. If your formers are even 1mm off-center, the entire fuselage will twist. Before the install, you need a clean cut