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wrote:
Mike Halmarack wrote:
On Sun, 9 Apr 2006 11:22:01 +0000 (UTC), "Lawrence Zarb"
wrote:

What is the best most secure way to fix an mdf window sill to a breeze
block wall?
Cills usually go outside, window boards go inside.
--
Regards,
Mike Halmarack

In either case MDF is unsuitable as it is very prone to damp and will
expand, bend etc

It bends a lot less than softwood or hardwood.

cheers

Jacob