Fiberglass is a crafting component in Fallout 4.
A strong, flexible fabric made from plastic reinforced with tiny glass fibers. Fiberglass is a component used to make various items, including weapon mods, armor mods and some settlement items.
Miscellaneous object (see below)
- Nothing is gained if the player does not have at least level 1 of the Scrapper perk. At level 3 yields are doubled or more than doubled.