Package Contents and Effortless Installation: the package includes 20 roof closure strips (10 outside and 10 inside roof closure strips) that are about 3 feet in total length and have a ridge every 9 inches on center; First clear the roof debris, measure the construction size, prepare tape measure, utility knife and other tools, then embed the foam closure piece perfectly into the same contour of the respective metal room, corrugated room, sunroom Durable, Cold Resistant and Self Adhesive: these foam closure strips are made of high density foam material, with strong ductility, not easy to break, shrink, bleed, dry out, or dissolve even in harsh weather conditions, resistant to wear, can withstand varying temperature extremes and block vapor transmission, have longer service life; They are self adhesive to glue one side to the roof, so there is no need to order some double sided tape to hold them in place Noise Reduction and Heat Insulation: these roof panel closure strips are made of closed cell foam that absorbs heat and sound; Besides, they also block UV radiation helping maintain a balanced indoor temperature, keeping it warm in winter and cool in summer Waterproof Design: the roofing closure strip fits perfectly into its respective metal panel, offering a waterproof solution for your building; The weather tight insulation helps to keep away wind, birds, and more Versatile Use: these metal roof foam closure strips are lightweight and flexible, easy to carry; They have a practical use in greenhouses, barns, homes, sheds, cabins, houses, warehouses, etc., can effectively solve common issues such as very cold winters and noisy living conditions