Trim Coil 20inx50ft White/Brown Al Used as a moisture barrier. Trim coil is used to create decorative trim accents. With Trim Coil you can create a maintenance free exterior. Cover rake boards, trim around windows and corner boards. Using Trim Coil means no more painting. TRIM COIL Brown/White Nom Thick=.0165 Wdth In x Lgth Ft=20 x 50