[Rhodes22-list] CB trunk surgery

[Steve]

You know something, Lou. Was re-reading your first
post where you say there is a bulge of cement.  I
would almost bet that there is probably a void in
behind that bulge.  If all you do is cut or sand off
the bulge of cement; that won't fix the internal void
where some water must have frozen to make that bulge. 


When you get in there with your dremel tool and a
bunch of water doesn't come out; may want to drill
into the cement a little to see if you can tap the
void so the water can get out.  A syringe of
fibreglass Like Roger mention or even the 3M 5200
would seal up your drill holes.
Steve



--- Steve <rhodes2282 at yahoo.com> wrote:

> Lou
> Without putting some fibres into the glass; (Rogers
> knows this stuff better than me) but just glass
> doesn't have a lot of streght to it.  One small
> crack;
> and the problem will come right back.  
> 
> If all you are wanting to do is seal the area & fill
> the void; I would think that 3M 5200 would do the
> job
> much easier without any of the hassle of fiberglass.
> 
> Just an idea.  
> Steve
> 
> 
> --- Lou Rosenberg <lsr3 at MAIL.nyu.edu> wrote:
> 
> >   Steve,
> >    Thanks for the idea of  using a sealant on the
> > cement.  I was 
> > thinking I would just use thickened epoxy using
> > Colloidal Sillica as 
> > a filler b/c there is not much room to work some
> > glass tape even in 
> > this slot.   I  believe that just applying the
> epoxy
> > in a few good 
> > layers will give me the strength I need in the
> > trunk.   there didnt 
> > seem to be glass in there before.
> > Lou
> > 
> > 
> > 
> > >Lou
> > >If you let the cement dry out completely; then
> use
> > >some cement sealent; the epoxy will adhear to it.
> 
> > Mix
> > >the first batch hot to cure quick; made of just
> > epoxy.
> > >  That will put glass over the area that you can
> > start
> > >building up from then.  Then cut up some
> fiberglass
> > >fiber and work that into the area that you are
> > wanting
> > >to build up making sure all the fiber get wetted
> > in.
> > >Then just do normal patches over the area several
> > >times to build up the strenght of the area.  Then
> > of
> > >course, the patches that bond to the existing
> hull
> > to
> > >finish off the patch. 
> > >Steve
> > >
> > >
> > >--- Lou Rosenberg <lsr3 at MAIL.nyu.edu> wrote:
> > >
> > >>  Roger,
> > >>     I purchase a small cutting disc for my
> dremel
> > >>  yesterday and hope to
> > >>  begin the work on Sun.
> > >>     My plan is to:
> > >>      Remove the cement which is causing the
> > bulge,
> > >>  then I will have to
> > >>  insert a  thin plastic or metal piece to cover
> > the
> > >>  cement as the
> > >>  epoxy will not bond directly to the cement
> > >>  effectively.
> > >>    I will sand the thin plastic down for good
> > >>  adherance  quality and
> > >>  hope to just fit it under snugly to the
> > surrounding
> > >>  trunk.
> > >>    any comments/ suggestions??
> > >>    Lou
> > >>
> > >> 
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> 
> 
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