Finish a Sheeted Q500 Wing
I follow with a piece of fiberglass cloth big enough to cover the entire wing. The weight can be from 0.5 ounce to 1.6 ounce glass cloth. I typically use 1.1 to 1.6 ounce fiberglass cloth on this surface.
The wing tips are subject to abuse and they can be made tougher by adding another layer of cloth. I used 1.6 ounce on the tips.
The center section is reinforced with 3 or 4 layers of additional fiberglass cloth (1.6 ounce).
3M77 is helpful in holding the cloth in place. I just apply a small amount to hold the glass in place.