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09-20-2017, 08:59 AM
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#1
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Veteran Member
City: York River, VA
Vessel Name: Big Fish
Vessel Model: Mainship Pilot 34
Join Date: Oct 2013
Posts: 83
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Re-caulking hardtop and more
My 2002 Mainship Pilot needs to be recaulked, mostly the joints around the hardtop. I don't think the caulk is failing, but it is moldy looking and probably due anyhow. Questions: 1) I saw a video of a Sonicrafter (oscillating tool) being used to remove caulk in a bathtub. Do you think that will be too aggressive for my job? 2) What type of caulk do you recommend?
Thanks in advance...
__________________
Regards,
Jack & Julie Dooley
Big Fish ~ York River, VA
’02 Mainship Pilot 34
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09-20-2017, 09:04 AM
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#2
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Guru
City: Seaford Va on Poquoson River, VA
Vessel Name: Old Glory
Vessel Model: 1970 Egg Harbor 37 extended salon model
Join Date: Jan 2016
Posts: 2,264
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Can you clean the caulk and then paint carefully with a small brush?
Caulk is a pain to make it look good.
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09-20-2017, 09:10 AM
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#3
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Veteran Member
City: York River, VA
Vessel Name: Big Fish
Vessel Model: Mainship Pilot 34
Join Date: Oct 2013
Posts: 83
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Hmmm. Had not thought about that. Use something like Kilz that will hopefully block the stains from bleeding through?
__________________
Regards,
Jack & Julie Dooley
Big Fish ~ York River, VA
’02 Mainship Pilot 34
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09-20-2017, 02:18 PM
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#4
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Guru
City: Signal Mtn., TN
Vessel Name: Stella Maris
Vessel Model: Defever 44
Join Date: Feb 2012
Posts: 2,729
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I've started using the set below for both removing and applying caulk. The removal tool seems to work well on older caulk--the drier the better. I'm using 4000-UV to recaulk. Too early to tell how long it will last, but it applies easily. If you're ever back at Worton Creek, look me up and I'll show you how the tools work on our boat.
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09-20-2017, 04:07 PM
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#5
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Veteran Member
City: York River, VA
Vessel Name: Big Fish
Vessel Model: Mainship Pilot 34
Join Date: Oct 2013
Posts: 83
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Thanks. We miss Worton! The lower bay doesn't have nearly as many nice places to anchor or visit as the upper bay.
__________________
Regards,
Jack & Julie Dooley
Big Fish ~ York River, VA
’02 Mainship Pilot 34
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10-13-2017, 04:04 AM
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#6
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Guru
City: Punta Gorda, fl
Vessel Name: Escapade
Vessel Model: Nordic Tug 37 2002
Join Date: Jan 2015
Posts: 1,231
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What ever you use make sure it isn’t silicone. We used the recommended sikaflex 291. Remove old caulk. Clean area with acetone. Mask tape both sides of the caulk line. Caulk the joint. Remove the mask tape for nice straight edges.
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10-13-2017, 07:10 AM
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#7
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Guru
City: Houma, Louisiana
Vessel Name: M/V LUNASEA
Vessel Model: 45ft Bluewater Coastal
Join Date: Aug 2014
Posts: 529
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Use WD40 for any clean up needed, works better than anything I have found and much cheaper.
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10-13-2017, 11:33 AM
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#8
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Guru
City: Punta Gorda, fl
Vessel Name: Escapade
Vessel Model: Nordic Tug 37 2002
Join Date: Jan 2015
Posts: 1,231
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Or try Lacquer Thinner.
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10-13-2017, 01:50 PM
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#9
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Guru
City: Concrete Washington State
Vessel Name: Willy
Vessel Model: Willard Nomad 30'
Join Date: Oct 2007
Posts: 18,720
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We have a lot of Sikaflex 291 on Willy. As I recall they refer to it as a bedding compound. Seldom have any issues and probably all the less than perfect applications are a result of poor preparation.
__________________
Eric
North Western Washington State USA
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10-14-2017, 10:32 PM
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#10
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Guru
City: Gibsons, B.C., Canada
Vessel Name: Island Pride
Vessel Model: Palmer 32'
Join Date: Oct 2007
Posts: 4,358
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To remove old caulk I use an old chisel, a sharp one. The edge does not have to be beautiful. With a wee bit of care it does a good job.
I have one of the oscillating tools but I think it may be too aggressive even with the sharp knife type tool. Sometimes power tools can be too fast causing damage with realizing.
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