Description guide for Black Joining F Section: 1st internal gap - 2nd external long leg - 3rd internal short legs - 4th thickness | M = metres, mm = millimetres.
As the name suggest, this black PVC joining profile looks like the capital letter F. It is often used for board trim, gap covering and shadow gap purposes. This profile is manufactured from rigid PVC, making it suitable for indoor and outdoor use. Available in different sizes and sold in 75 metres packs. Also available as white PVC F section.