[Rhodes22-list] Bill Davidge ... before painting...

[Robert Skinner]

Bill -

That liquid in the blisters could be acidic.
That was what Ed was referring to.

/Robert
----------------------------------------------
bill davidge wrote:
> 
> ED
> 
>   I still have a lot of work before I start painting I spent some time on nibble.. and some books   I pick up.. What I was going to do was wash with 202, Sand with 80 gr. sand paper  then wash again  with 202  and spray it down with a hose before starting to paint .
>  I went over the hull after it was sand blasted and fond a few small blisters. which were filled with water a far as i was able to tell
>   Bill
> 
> ----- Original Message ----
> From: Tootle <ekroposki at charter.net>
> To: rhodes22-list at rhodes22.org
> Sent: Monday, April 7, 2008 5:23:16 PM
> Subject: [Rhodes22-list]  Bill Davidge ... before painting...
> 
> 
> Bill:
> 
>      You said that last fall you had bottom sand blasted.  Some people think
> the gel coat is waterproof.  It is not and some moisture has leached out of
> the underlying glass and the glass hull has dried.  The leaching process is
> not just plain water but also contains chemicals.  Chemical analysis would
> likely show an acidic leaching.  Before painting, wash hull with soap and
> water and then wash with acetone before painting.  You will get a much
> better bond.
> 
> Ed K
> Greenville, SC, USA
> addendum:  A strongback is a beam or girder which acts as a secondary
> support member to existing structure. In shipbuilding, a strongback is
> oriented lengthwise along a ship to brace across several frames in the case
> of hull damage.
> --
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> Sent from the Rhodes 22 mailing list archive at Nabble.com.
> 
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-- 
Robert Skinner  "Squirrel Haven" 
Gorham, Maine         04038-1331
s/v "Little Dipper" & "Edith P."