When manufacturing our track, we add a UV protectant so it won't discolor when outdoors. Novelty Lights 1/2" Rope Light Track Novelty Lights Clear or Black Rope Light Mounting Track in 4' sections for 1/2-inch rope lights is perfect for both permanent and temporary rope light installations because it provides a clean and straight professional look. Rope light track is very easy to mount, using only 2 small deck or sheet metal screws per 4-foot section. A double sided sticky tape will work for indoor applications if a permanent screw cannot be used. Create awesome displays for building outlines, store front windows, under-cabinet lighting, decks and much more Each Track Comes in 4' Lengths Made for indoor and outdoor use