What is that Hul Indentation Mark

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Fred Miller

Now that my boat is layed up on the hard for winter storage in Jersey, I recently noticed just about at the waterline at midships, a very slight indentation in the hull corresponding to where I normally have my jumbo fender hanging to protect the hull from the dock. This slight, almost imperceptable [ but is still driving me crazy] indentation is about 1 1/2" wide by 10" long and coincidentily matches the rib pattern on my rubber fenders. Considering there is no gelcoat cracking, crazing, abrasion of anykind, sign of gelcoat wear-through or any impact, I am guessing that in Novemnber when it was cold before the boat was pulled for storage it had been laying hard up on the fender against my dock for an extended period and that may have caused the indentation. There is no sign of any structural damage anywhere, outside or in. Another factor may be that the fender which had one of those poly "look pretty covers" on it , became impregnated with salt, dried and caused the fender not roll against the hull as freely it should or stuck to it and left this tell tale mark by simply polishing away some of the gelcoat finish in a straight line. Any ideas?? How can I remove this dent or will this cure itself as soon as the weather warms up or when the boat is refloated in the spring. Thanks Fred M
 
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George

Those pretty bumber covers

are made of poly/nylon so they stretch and make a tight fit on the bumber. They look great, BUT, they wear away the gelcoat in no time at all. Never, ever put those pretty stretch covers on your bumbers. George
 
Sep 25, 2008
7,374
Alden 50 Sarasota, Florida
comes from bumble bee

I have some fuzzy fender covers (I tell my kids they are made from bumble bee fur)on my bumpers so I guess that makes them 'bumbers"... It gets pretty cold in VT
 
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Frederick D. Miller

A Real Bummer, George

George; Thanx for the "Dispositive" news, as Guliani might say . . I suspected the covers may be the cause . .Now I'm really PO'd . . those things were expensive to boot . .the manufacturer is going to hear from me for damaging "my baby's bottom." Fred M/Squared H 35.5
 
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George

My spelling

leaves a bit to be desired at times. Perhaps "fenders" would have been easier to spell. Oh well, it is cold, minus 5 right now, and I do apologize for my spelling. I'll go thaw out my spell checker. George
 

tks

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May 25, 2004
20
Hunter 340 Dana Point, CA
Feel your pain

I over steered on bouy in a beer can race last summer and "bounced" off of it. My stupidity left "crease" on the side of the hull and was about 3" by 12" and perhaps an 1/8th inch deep. The gel coat was not cracked nor was there any noticable fiberglass damage. While in the shade the "crease" was "invisable", but once the sun hit it at a certain angle it stood out. I couldn't walk by it without noticing it. It was driving me crazy. I took it to the shipyard last month and had the boat hauled. The cheap fix was to grind our the crease and re-fill with gel-coat and/or putty (however, this fix was probably tempory since it could pop out when stress was applied to the hull). So I bit the bullet and had the yard inlay fiberglass before added gel-coat. Today you cannot notice it and the color match was perfect. Bad news it was a $1500.00 fix.
 
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