Ply Gem 1/2 in. x 1-1/2 in. x 12.6 ft. White J-Channel

Cellwood 1/2 in. J-Channel used around doors, windows and at the roof line to hide ends of siding panels and create a finished look. Cellwood Vinyl Accessories are designed to withstand the toughest weather and retain their beauty and color, year after year.