"Lawrence Zarb" wrote in message
news:6a284b2dd773d0a3b7a3fdd91740cc61.52329@mygate .mailgate.org...
What is the best most secure way to fix an mdf window sill to a breeze
block wall?


L shaped steel straps screwed to the underside of the board and then screwed
to the wall work well. The straps are then hidden by the wall finish.

S