Country Coach Owners Forum

>

Has anyone experienced cracks in their fiberglass siding after

electrolysis in slide trim repaired? >

Our elecrolysis was repaired in Septerber 2005. In January 2006 at > the Ft Myers Class Reunion, we discovered a large crack running from > the corner of the slide all the way down to the trim belt. National > RV in Lakeland repaired the crack last February - did a fantastic > job. The only time I could even see the repair was when the coach

wet and I looked at it at exactly the right angle. Essentially the > repair was invisible.

Now less than a year and 7,500 miles later, the crack is coming

Seems to me that something structural has changed with the > electrolysis repair.

I know a lot of owners have had the elecrolysis problem repaired.

Hi Bob,

I have 4 years experience building one type of an experimental all > fiberglass airplane. An automotive approach will not work for > repairing a crack. Following is the approach to fiberglass repair: > About 6-10 inches either side of the crack is ground off on an

such that the outboard is a feather edge and material is

removed at the crack - from a side view it looks like a

Next 'layups' of fiberglass cloth are epoxied as follows: Assume

ground off width is 6" either side of the crack. First layer of > fiberglass cloth is 12" wide and the length of the crack. Aircraft

West System) epoxy is mixed with a filler (cab-o-sil) and applied

the crack area, the cloth is applied and most of the epoxy is

off. Next layer of cloth is 10" wide with epoxy(no filler) applied

it and then centered over the first layer and the epoxy is

off. Each successive layer is 2" less in width with the last 2"

for a total of 6 layers. Next, epoxy with filler is applied over

layups to buildup above the surface. The fiberglas cloth is > bidirectional, 8.8 oz with 54L x 48W threads per inch. Sanding is > next, reapplication of epoxy with filler, more sanding in

for the primer and finish coats. At least 5 days is required.
Fred Kovol
>

> Has anyone experienced cracks in their fiberglass siding after > having

> electrolysis in slide trim repaired? > >

> Our elecrolysis was repaired in Septerber 2005. In January 2006

the Ft Myers Class Reunion, we discovered a large crack running

the corner of the slide all the way down to the trim belt.

RV in Lakeland repaired the crack last February - did a

job. The only time I could even see the repair was when the

was

> wet and I looked at it at exactly the right angle. Essentially

repair was invisible.
>

> Now less than a year and 7,500 miles later, the crack is coming > back.

> Seems to me that something structural has changed with the > > electrolysis repair.
>

> I know a lot of owners have had the elecrolysis problem