Crack in horse trailer. each side above ramp. No structural (No photos)
Was going to repair glass fibre & small plate as extra support.
Not the ifor Williams type but the french crappy flexi roof type.
If it was me as There are no supports in the roof section. I said 4mm flat bar following the contour & bolt to the lower metalwork.
That would give it good support, the only issue is keeping the fibreglass tight into the corners of the
flat bar as it doesnt like to go round them, much better if you can round the corners.