Description guide for Black Corner Joint Square: 1st dimension to fit board size - 2nd external short leg - 3rd external long leg - 4th thickness | M = metres, mm = millimetres.
Black Plastic corner joint includes a square section. It is often used as a 90 degree external corner profile for boards and panels, for projects involving installation of wall cladding and façade panels It is available in a range of sizes depending on your project requirements and also comes in the colour white.