Do I need to sand and prime this before painting?

Yes. The panel arrives in raw FRP condition, which means the surface is prepared to accept sandpaper and primer. Sand lightly with appropriate grit, then apply your chosen primer and topcoat system. Proper surface prep ensures durable paint adhesion.

What fastening method should I use to install this?

Installation depends on your vehicle's mounting points and frame structure. Verify existing hole locations on your roof panel before assembly. Work with your preferred installer or fabricator to determine whether welding, adhesive, or bolt-down methods suit your build and local regulations.

Will this panel fit with my existing weatherstripping and seals?

Check the fit against your current roof frame and weatherstripping before final installation. FRP panels may require minor trimming or adjustments to seat properly with OEM seals. Test-fit dry first, then make any necessary cuts or adjustments before adhesive or fastening.