Feature●【Design Concept】 Lightweight and easy to carry, closed-cell foam, absorbs heat and sound, greatly reducing the spread of heat and sound, but also block ultraviolet radiation, effectively maintain the balance of indoor temperature, warm in winter and cool in summer.●【Wide Range of Uses】 Indoor and outdoor roofs, roofs, sunrooms, tin rooms, metal rooms, corrugated rooms, construction sites, etc., to solve the troubles of heat insulation in the house, very cold in winter, and very noisy.●【Premium Quality】 High-density foam material, strong ductility, not easy to break, strong texture, more wear-resistant, long service life.●【Easy to Install】 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.●【Warm Note: There are have a ridge every 12 inches on center】Each pack comes with 20 inside R panel foam closure strips that are 3 feet in length .If you have any questions or concerns, please do not hesitate to contact us. We will do our.Description Warm Tip: Please choose the right one for you before you buy, please dont buy the wrong one. This product has roof ridges every 12 inches on center, and each pack comes with 20 inner R-board foam sealing strips that are 3 feet in length. Designed to solve the troubles of poor heat and sound absorption, loud noise and hot temperature of the house roof. High-density foam material, ductile, not easy to break, strong texture, more wear-resistant, long service life.