[Rhodes22-list] Floor Boards

[cowie]

I agree that hardiebacker is not intended for horizontal floor type
applications.  It sounds like I may want to consider replaceing them with
marine plywood.  My boat is only 3 seasons old, 2009 model so it seems like
the hardiboard may not have been the right material to use.  I will let Stan
know for future reference.  I wonder if I can easily get all of the floor
boards out and replaced without having to take apart other parts of the
interior?


rgesner wrote:
> 
> Hardiebacker, even the 1/2", is not intended to be used structually
> unsupported like that. When used for floors, it must be fully supported.
> The only approved unsupported use in in walls, such as for a shower tile
> backer board.
>  - Rusty
> On Fri, Jan 6, 2012 at 12:35 PM, Geoff Farrell
> <geoffreylfarrell at gmail.com>wrote:
> 
>> The same thing happened to two of my boards, including the one over the
>> center board trunk. Stan replaced them with plywood that was heavily
>> coated
>> with what I think is polyurethan. These boards feel much stronger and
>> have
>> held up well. Geoff
>>
>> On Fri, Jan 6, 2012 at 2:13 PM, cowie <ccowie at cowieassociates.com> wrote:
>>
>> >
>> > The floor boards in my boat are a bit spongy and the small center panel
>> > that
>> > is located directly over the center board trunk has cracked.  The
>> original
>> > material is 1/2" thick HardieBacker® 500 Board that is available in
>> 3'x5'
>> > sheets.
>> >
>> http://www.jameshardie.com/homeowner/products_backerboard_halfInch.shtml
>> <snip>
>>
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