What if you put a strip of wood/MDF in the gap between the coving and architrave thick enough to bring the surface level with the architrave. Then attach another piece of wood wide enough for the brackets to attach to.
That way no damage to either architrave or coving.
What if you put a strip of wood/MDF in the gap between the coving and architrave thick enough to bring the surface level with the architrave. Then attach another piece of wood wide enough for the brackets to attach to.
That way no damage to either architrave or coving.