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Design concept: lightweight and easy to carry, closed cell foam, absorbs heat and sound, reduces the spread of heat and sound, but also blocks ultraviolet radiation, effectively maintains the balance of indoor temperature, warm in winter and cool in summer. Wide range of applications: indoor and outdoor roofs, roofs, sun rooms, tin rooms, metal rooms, corrugated rooms, construction sites, etc., to solve the problems of thermal 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 clean the roof debris, measure the construction size, prepare tape measure, utility knife and other tools, then embed the foam fastener perfectly into the same contour of the respective metal space, corrugation. NOTE Every 12 inch in the middle there is an R panel foam: each pack comes with 20 outer R panel foam closure strips that are 36 inches long. If you have any questions or concerns, please do not hesitate to contact us. We will do ours. › See more product details; Product description This list is for 20 external R panel foam seals. 89 cm wide and 2.5 cm deep. 12OCS seal is flexible, with excellent strength and even compression. 12OCS panel sealant is also very lightweight and easy to use/install. 12OCS is resistant to high temperatures, and its configuration almost eliminates moisture absorption and steam transfer problems. No matter in the ground or eaves, rust is fine - no problem. 12OCS will not crack, shrink or dry like conventional sealer. Use 12OCS where chemical resistance is required.; Product description This list is for 20 external R panel foam seals. 89 cm wide and 2.5 cm deep. 12OCS seal is flexible, with excellent strength and even compression. 12OCS panel sealant is also very lightweight and easy to use/install. 12OCS is resistant to high temperatures, and its configuration almost eliminates moisture absorption and steam transfer problems. No matter in the ground or eaves, rust is fine - no problem. 12OCS will not crack, shrink or dry like conventional sealer. Use 12OCS where chemical resistance is required.; This list is for 20 external R panel foam seals. 89 cm wide and 2.5 cm deep. 12OCS seal is flexible, with excellent strength and even compression. 12OCS panel sealant is also very lightweight and easy to use/install. 12OCS is resistant to high temperatures, and its configuration almost eliminates moisture absorption and steam transfer problems. No matter in the ground or eaves, rust is fine - no problem. 12OCS will not crack, shrink or dry like conventional sealer. Use 12OCS where chemical resistance is required.