GoVets offers Fiberglass in the Fiberglass sub-category in the Raw Materials category, perfect for completing any project. Fiberglass is a lightweight, strong material made of glass fibers and resin, and is used to create a variety of products. Fiberglass stair treads are a popular product, used to provide a non-slip surface on stairs. They are durable and easy to install, making them a great choice for any project. Shop today for the perfect Fiberglass stair treads to complete your project.