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Bruces Web Site
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Date: 8-26-2013
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Number of Hours: 4.00
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Manual Reference:
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Brief Description: Sand cabin top, fill resin
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Sanded filler on cabin top/door interface. Now the door and cabin blend in nicely all around. As usual, had to sand more on the doors to get the fit right. The gap is one playing card plus wide all around and fairly even. Good enough for me, if it will stay that way.
Decided to try a trick the glass expert at the airpark recommended for filling the cabin/door outsides. After sanding with #60, the surface is terrible, the glass weave, pinholes, etc. Looks like about two or three fill cycles to get it right. So I tried his way on the rear of the top.
1. Sand smooth with #80 our roughter. Clean the surface with air, I used a wire brush to remove the sanding dust trapped in the pinholes/weave where necessary.
2. With a squeege cover it with a thin layer of DRY WALL COMPOUND, slightly thinned with water. Press it in hard and remove almost all the material
3. Sand it all off with a block and #120 or 180 paper. Itt completely fills the weave and pinholes. Abslolutely amazing!
4. Put on a layer of epoxy primer and let cure
5 Block sand with 320 wet and prime. Repair if necessary using dry wall compound.
Looks like it works, will know tomorrow when I sand out this area. This is the best thing I have found for fiberglass pinhole filling, and I have tried almost every every product that promises (to fill in one coat.
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Filled with dry wall coumpound and sanded
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