Re: [ATM] painting plywood

[Ross Sackett <rsackett00@yahoo.com>]

--- Rod Brackenridge <rjbr@lycos.com> wrote:

> I am building a flex rocker for a 12 inch F5 and
> using Structural grade CD ply.  I think it would be
> best to paint the ply rather than varnish it due to
> some voids and surface roughness. 

Rod,

I'd match the quality of the finish to that of the
substrate, and housepaint sounds about right to me. 
Whatever you choose to put on top of it, I am sure
that plywood suffers from knife checks which
eventually will open and telegraph through whatever
finish you apply.  Latex housepaint will maintain its
flexibility for a long time and bridge over these
microcracks (for awhile at least).  More brittle
finishes like oil-based enamels and varnishes are
likely to crack and then fail.  Be sure to use a good
quality primer.  When the finish eventually fails,
just scrape, sand, and spot prime before repainting,
just as you would a house.

Ross



		
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