The dang squirrels run up and down my screens on the screened porch. Their idea of a good time I suppose. My screened walls were 7 years old and their claws slit the screen wire in a few places. So I ordered per screen from Metroscreenworks. Being a total amateur I didn’t know iIt would need smaller spline material. So I called them, they helped me out and shipped the spline I needed. Nice people to deal with and very helpful! I’m recommending them to all my friends. And I’m looking forward to thumbing my nose at the squirrels.