Ah - that would be the casejedmc571":351ksvzb said:Miles,
Coach screws are just a bigger version of a normal screw, you're confusing it with a coach bolt.
considering Tanalised timber has a life exppectancy of 20 years above ground and 10 - 15 years with ground contact, I think you might be over thinking this one.
Cheers
Jed
Fair play - I'm starting to get that feeling The only concern is now around the bowing bit - which seems to need a post of some sort within the bed to screw the joists to.
Miles