Epifill epoxy filler Epiglass International
Epifill is an epoxy filler white in colouring. 100gm size is tooth paste size tubes.
A 2:1 mix by volume.
It will adhere to ferro cement, fibreglass, metal and of course timber.
Once hard it may be buzzed screwed or sanded.
Part Numbers 26812,26813,26814,26814, 26811