Bill is correct here, you can never tell when you're going to have to 
walk your track!  I built my trainroom with 10 ft ceilings, so I put a 
couple of higher than normal shelves, track lighting plus the 
fluorescent fixtures all need occasional access.  Then add our 
occasional hurricane damages and access is very important.  I used the 
old Westcott L girder method with either 3/4 or 1/2 plywood cookie 
cutter style plus Homesote.  I lay scrap pieces of pine 1x6 on the track 
and walk on it when I have too!

Bob Werre
BobWphoto.com




Scale S Only wrote:

>  
>
> HI all --
> at.
>
> Having said all that, my current layout is built with 2x4 framing and
> plywood / OSB. I chose this because it has to be self supporting (no
> attachment to the house other than its weight) and also be able to 
> support
> ME when I work on it!
>
> Have fun!
> Bill Winans
> Prescott Valley, AZ
>
> Jeff --
> Bill Lane is correct. Never, EVER, use any kind of fiberboard without a
> subbase. In particular, while Homasote has many desirable properties, 
> it is
> basically a paper product. Over time, it will sag between supports, 
> even if
> pre-sealed. Best advice I can give you is to cover your benchwork with 
> 5/8"
> (or
> thicker) plywood, then glue and screw your Homasote atop that.
> Dick Karnes
>
>  
> 




[Non-text portions of this message have been removed]



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