query reply

[James Grebe]

Yes Del,
I meant "Bondo".
Thank you for your thought.  I had not used epoxy for this use before so I
guess I will this time and learn.  I am doing this job on this coming Monday
and will let all know how it turns out.
James Grebe
R.P.T. of the P.T.G
Creator of Handsome Hardwood Caster Cups and Practical Piano Peripherals in
St. Louis, MO
-----Original Message-----
From: Delwin D Fandrich <pianobuilders@olynet.com>
To: pianotech@ptg.org <pianotech@ptg.org>
Date: Wednesday, September 23, 1998 9:43 PM
Subject: Re: query


>James,
>
>What do you mean by 'fiberglas?"  Fiberglass is just that -- glass fibers
>processed into one of many differing forms.  It can be obtained as a
chopped
>strand, woven into a mat or a cloth, etc.  Now, if you're referring to the
>polyester resin that is typically used to mix with fiberglas to form the
fiber
>reinforced plastic material used to make boats, Corvettes, etc., that's a
whole
>other matter.  Polyester resins -- a common brand is 'Bondo' -- are not
>particularly good adhesives -- particularly when used with wood -- nor do
they
>posses much structural strength by themselves.
>
>Use the epoxy.  It is an excellent adhesive and it does posses a fair
amount of
>structural strength.  Don't use the 5-minute variety, however, you want
>something that will really soak in there before it has to be clamped
together.
>To achieve that, it will need to stay liquid for a while.  Use the slow
>hardener.
>
>Regards,
>
>Del
>
>--------------------------------------------
>
>
>
>James Grebe wrote:
>
>> Hi All,
>> Today I looked at a bad bass bridge.  The upper 1/3 of the bridge pins
have
>> split the wood and opened the wood.  What is the better repair Fiberglas
or
>> epoxy?
>> Thanks
>> James Grebe
>> R.P.T. of the P.T.G
>> Creator of Handsome Hardwood Caster Cups and Practical Piano Peripherals
in
>> St. Louis, MO
>
>
>