Re: Fillers?

["rowr" <rowr@xxxxxxxxx>]

If you want a good finish on filler colours,  you should take a few pieces 
of cedar of different colours and then mix epoxy with a range of fillers and 
cedar dust and apply them to the wood and let them cure. Make some notes of 
the mixes that you use and keep the notes for later reference. Then when you 
need a certain colour on a certain wood, you go back to your samples to get 
an approximate mix. You can do this quickly by starting with epoxy and one 
filler and then progressively adding a little of another filler as you go 
along.  I do this because all the fillers have different drying properties 
and when mixed with different colours of wood, the colour variation is 
compounded.

Another thing, ....... be very careful about your strip selection. I 
selected a dark strip to accent two light strips on a project. When it came 
to sanding the hull, I found that the strip that I believed was dark, was in 
fact a light strip with an 'oxide' layer on it. I am not sure if it is an 
oxide, perhaps our chem gurus can help us with that, but the bottom line is 
that when sanded, the strip turned a nice light colour and destroyed the 
pattern I was trying to create. If you are particular about the pattern you 
are trying to create it helps to lightly sand a piece of the strip before 
you apply it to determine its real colour.

If you are cutting strips yourself, be meticulous about keeping all the 
strips together from the same board that you started with. It is often very 
difficult to tell the difference between two strip colours, particularly in 
dark garages or workshops. When you sand and stain these strips, you end up 
with a mixture of darks and lights.

happy building
Roger

----- Original Message ----- 
From: <BDally6107@xxxxxxx>
To: <robert@xxxxxxxxxxx>; <warren@xxxxxxxxxxxx>; <drrld@xxxxxxxxxxx>
Cc: <swiftsolo@xxxxxxxxxxxx>
Sent: Tuesday, May 31, 2005 10:27 AM
Subject: Re: Fillers?


> Robert and all,
>
> I think your advice is good about using sawdust in the mix.   Generally, 
> the
> filler recommendations in the manual are my best guess at what  would 
> likely
> be easiest and strongest for a given function.  Sometimes  color is an 
> issue
> and I've found that "redder is better" when that's the case  because it
> invariable cures lighter than the mix (mixing fine cedar sawdust  from you 
> sander with
> 407 often produces great color).  The fine  cedar sawdust option is nearly
> always a good one and one that is covered a  lot in Nick Schade's book 
> (the book
> that supplements the manual).  We know  that cedar / epoxy compatability 
> is
> not a problem.
>
> When using non-epoxy compatible fillers (water / oil based and  others
> typical of your local hardware store), I recommend that you be  very 
> careful to
> consult with Gougeon's help line to make sure that you're not  creating a 
> problem
> for yourself that could include bonding failure--possible  even in areas 
> where
> the filler has be applied and wiped off.  I continue to  be surprised by 
> the
> properties of epoxy.  Most of these surprises are  positive, but 
> occasionally
> not.
>
> Bram


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