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Hi all,,,,,,I own a 1975 Islander 30 MkII,,,,I was wondering if anyone knows the thickness of the hull,,,,,,,,,,,,have a few blisters to repair and figured knowing the thickness would be helpful,,,any help would be greatly appreciated,,,,,,,,fair winds
 

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snake charmer, cat herder
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i did a blister job on a 1979 islander 26. was impressive. ground each and every blister and filled and barrier'd and painted. was a lot of work. a re these small dry blisters or wet ones with holes. tunneling??? wet an d tunnelling need repaired the dry ones need to be monitored. my dry ones on my ericson were stable and didnot become wet nor did they tunnel.
my subsequent ericson had a few blisters with tunneling. i fixed those.
blisters donot make boat slow nor do they dink it. 1975 is early for blisters unless sprayed gelcoat.
my islander hull was thick enough to do the work, but trust me blisters are overrated.
 

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Hull thickness doesn't have much to do with blister repairs if you do the repair properly. You should grind out the divot, laminate layers of FabMat and epoxy with first laminate overlapping the ground out section, next laminates slightly smaller till the patch is slightly proud of the hull, grind the patch flush and repaint.

If the blisters are very small diameter, not deep, and not concentrated in a small area, you can grind them out, fill with thickened and grind flush.









J
 
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