Description for H sections: 1st internal depth 'board size' - 2nd external widths - 3rd thickness | M = metres, mm = millimetres
H section joining strips 6mm can be used for covering & joining boards and panels. This profile has two equal legs of the same length. We use external grade rigid PVC material to manufacture H section joining strips 6mm. See also our range of H joining sections (Unequal) and our two-part H interlocking top & base.