Best adhesive to repair crack in washboard

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eddystone

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Found a crack in one piece plastic washboard about 5cm long at right angles to the edge. It’s a 1999 Bavaria so not sure whether Perspex or something else. Whatever I use needs to able to penetrate by capillary action as it’s pretty thick and I don’t think it would be possible to prise it apart.
Superglue?
 
Superglue breaks down in exterior use over time as the moisture gets at it ...

To glue a crack in a plastic washboard ... you'll never have a perfect repair ... and none of the 'miracle' glues on facebook etc will produce ..

Superglue as a temporary is as good as any I reckon. Trouble is though later when you need to redo the crack - the old glue will inhibit it.... make it look rough.
 
eddystone said:
Found a crack in one piece plastic washboard about 5cm long at right angles to the edge. It’s a 1999 Bavaria so not sure whether Perspex or something else. Whatever I use needs to able to penetrate by capillary action as it’s pretty thick and I don’t think it would be possible to prise it apart.
Superglue?
Click to expand...
I managed to snap mine. It seems to be acyllic. I glued it and added tape. It lasted the season. Its on my jobs to fix properly before the start of the season. I believe the affordable route is to take the old one to a signmaker and have them replicate. You can DIY but cutting acryllic and getting a nice edge is a lot of work. You can order on-line from plastic suppliers but the board is not a rectangle so probably easier to copy from the original. If you are feeling rich SVB might have one in stock! I am deliberating making the replacement 2 piece / hinged so easier to stow.
 
Poignard said:
I don't know what adhesive would be best but if you drill a small hole at the inner end of the crack it should stop it extending any further.
Click to expand...
Common Crack Prevention Methods:
  • Stop-Drilling: Drilling a hole at the crack's tip removes the sharp, high-stress area, spreading the load over a larger, rounded surface.
 
I woul use a polycarbonate and not acryillic , its much stronger, will bend but not shatter, run a fork truck over it and iwil not break. very easy to cut drill and file, only downside is that the surface does get scrstched more than acryillic.
David mh
 
We had a 2001 Bav - I would replace with a two piece version and have a canvas cover to protect / give shade if facing into sun . Not certain any repairs is worth trouble really even if cheaper and I suspect would show and if you ever sold boat might put off properties buyers . Clearly whether you replace rather depends on budget but surely not that expensive to replace?
 
If th crack is just 50 mm long, dependin on wher it is, it may not effect the strength much. Simple way whilst you deciide what to do is to driil a small hole in the end of the split, say 2mm dia ,that will stop the crack spreading, You can fill the hole with a soft filler to make it watertight
David MH
 
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