Cruisers Forum
 


Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on Cruisers Forums. Advertise Here
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 25-05-2019, 14:03   #1
Registered User

Join Date: May 2019
Location: Massachusetts
Boat: Pearson 303
Posts: 4
Marine Fairing Compound - Advice for below waterline

Hi all,
Just looking for advice on a good marine fairing compound for the hull of my Pearson 303. My hull is in great shape, which is evident after soda blasting. Hull is pitted in just a few areas in both the barrier coat and gelcoat. Please see photo attached. Estimated max depth of deepest holes is 2 mm.

Could you all recommend a fairing compound to fill these holes before I put on Interlux InterProtect 2000E?

Thank you!

Regards,
Tim
Attached Thumbnails
Click image for larger version

Name:	Pitted_Hull_20190525_163522.jpg
Views:	191
Size:	393.0 KB
ID:	192685  
Tim_Pearson_303 is offline   Reply With Quote
Old 25-05-2019, 14:32   #2
Registered User
 
Dulcesuenos's Avatar

Join Date: Dec 2010
Location: Western Caribbean
Boat: 38/41 Fountains pajot
Posts: 3,060
Images: 4
Re: Marine Fairing Compound - Advice for below waterline

I like ADtech P77 fairing compound, intended for above or Below Wl, looks identical to 3ms fairing compound at about 1/3 the price. Has held up great on our boat
Dulcesuenos is offline   Reply With Quote
Old 25-05-2019, 14:34   #3
Registered User

Join Date: May 2019
Location: Massachusetts
Boat: Pearson 303
Posts: 4
Re: Marine Fairing Compound - Advice for below waterline

Thank you, Sweet Dreams!
Tim_Pearson_303 is offline   Reply With Quote
Old 25-05-2019, 23:43   #4
Registered User

Join Date: Oct 2007
Location: Charleston, SC
Boat: Stevens 47
Posts: 199
Re: Marine Fairing Compound - Advice for below waterline

West system epoxy with their faring compound works well.
sainted is offline   Reply With Quote
Old 26-05-2019, 12:52   #5
Registered User
 
flyingfin's Avatar

Join Date: Oct 2016
Location: Cape Haze,FL
Boat: Carver,Cobia,Nacra, Columbia
Posts: 811
Re: Marine Fairing Compound - Advice for below waterline

Awlfair by AwlGrip - two equal parts, simple to mix, easy to spread and fair.
flyingfin is offline   Reply With Quote
Old 26-05-2019, 15:16   #6
Registered User
 
transmitterdan's Avatar

Join Date: Oct 2011
Boat: Valiant 42
Posts: 6,008
Re: Marine Fairing Compound - Advice for below waterline

This stuff is pretty good. Compatible with polyester gelcoat and virtually impervious to water. It is not epoxy but vinylester resin. Itís available with fiberglass reinforcing too.

https://www.jamestowndistributors.co...ct.do?pid=6515
transmitterdan is offline   Reply With Quote
Old 26-05-2019, 22:46   #7
Registered User

Join Date: Sep 2007
Location: Queensland, Australia
Boat: None at present--between vessels. Ex Piver Loadstar 12.5 metres
Posts: 1,475
Re: Marine Fairing Compound - Advice for below waterline

Phenolic micro balloons and any good quality epoxy resin medium speed cure.

Mix your resin and hardener, then add the micro balloons a little at a time stirring them in--and they are like fine dust, so be careful with them

Some people disregard instructions and mix in some micro balloons into the measured resin before adding the hardener and the rest of the micro balloons. When it is like a deep red peanut paste--you can start to work it into the holes leaving it proud of the surface. Do not use it stiffer, some of the resin has to wet the hull surface as well as the micro balloons, and if it flows too much, just add some more later and build it op in layers if that is what it takes.


Microballoons make for easier sanding. I never use Q-Cell microspheres below the waterline, and some two=pack epoxy fillers contain Q-cells and a dye.
Mike Banks is offline   Reply With Quote
Old 26-05-2019, 23:43   #8
registered user
 
HankOnthewater's Avatar

Join Date: Dec 2012
Location: in Queensland for a while
Boat: plastic production boat, suitable for deep blue water ;)
Posts: 986
Re: Marine Fairing Compound - Advice for below waterline

Not sure if this product is available worldwide but here in Oz, I have used over the last 20 years this epoxy fairing compound:
https://wattylindustrial.com.au/docu...apro%20EFC.pdf
Quite expensive, but goes a long way, easy to mix (1:1), forgiving in slightly inaccurate ratios (hmmm, I have never weighed, or measured, like I do with normal epoxy), easy to apply, easy to sand, never had a failure to adhere. Sticks to fibreglass, epoxy, cement, timber and steel, and.... hands. For the latter, quick cleanup is required, or the use of gloves.
Colours of the parts are white and black, and when mixed a uniform grey.
__________________
Wishing you all sunny skies above, clear water below, gentle winds behind and a safe port ahead,
and when coming this way check https://www.cruiserswiki.org/wiki/Albany,_Australia
HankOnthewater is offline   Reply With Quote
Old 27-05-2019, 00:36   #9
Registered User
 
ElGatoGordo's Avatar

Join Date: Nov 2012
Location: La Marque, TX
Boat: Dovekie 21
Posts: 712
Re: Marine Fairing Compound - Advice for below waterline

This is all I use anymore. It's more expensive than mixing your own, which is what I did for years.

https://www.duckworks.com/product-p/s3-qf-parent.htm
__________________
------------------
Gordo
ElGatoGordo is offline   Reply With Quote
Old 27-05-2019, 04:55   #10
Registered User
 
skipgundlach's Avatar

Join Date: Mar 2003
Location: Currently on the boat, somewhere on the ocean, living the dream
Boat: Morgan 461 S/Y Flying Pig
Posts: 2,285
Send a message via Skype™ to skipgundlach
Re: Marine Fairing Compound - Advice for below waterline

Quote:
Originally Posted by Dulcesuenos View Post
I like ADtech P77 fairing compound, intended for above or Below Wl, looks identical to 3ms fairing compound at about 1/3 the price. Has held up great on our boat
What he said. We did the entire bottom of our 40' waterline 7' deep hull with it.

Story is here on CF if you wanted to read about a bottom job from Hell.


I also did a full-on bottom job in the course of remedying our issues; this isn't asking for it in this thread, but we used Sherwin-Williams barrier coat and bottom paint based on the recommendation of a paint rep internet and R/L buddy, and have been thrilled with it so far.

If you want the story and the links to those products (and AdTech, too), bump this with the request and I'll post the story.

Or, go here: http://www.cruisersforum.com/forums/...67#post2896667
__________________
Morgan 461 #2 SV Flying Pig, KI4MPC
See our galleries at www.justpickone.org/skip/gallery!
skipgundlach is offline   Reply With Quote
Old 28-05-2019, 03:56   #11
Registered User

Join Date: May 2019
Location: Massachusetts
Boat: Pearson 303
Posts: 4
Re: Marine Fairing Compound - Advice for below waterline

Thank you to all for the wealth of information! Much appreciated. :-)
Tim_Pearson_303 is offline   Reply With Quote
Old 28-05-2019, 04:54   #12
Marine Service Provider

Join Date: Feb 2017
Posts: 81
Re: Marine Fairing Compound - Advice for below waterline

I second the microballoons and epoxy also the mixing method, the microballoons definitely last in epoxy. Mix the hardner and resin first. If using vinylester then you can mkx the microballoons and resin first and catalyze it when ready to use. If using vinylester I usually premix a 20lt pail. Makes it easy and quick.
sailhand is offline   Reply With Quote
Reply

Tags
below waterline, fairing compound, hull maintenance, marine, water

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Best fairing compound for below the waterline? mrybas Construction, Maintenance & Refit 5 20-01-2018 13:33
Pettit EZ-Fair Epoxy Fairing Compound 7050 - UK or Europe mtompson Construction, Maintenance & Refit 0 08-07-2016 02:27
Fairing Compound vs. Thickened Epoxy on Lead rognvald Construction, Maintenance & Refit 4 27-03-2016 13:24
Surface putty I've already ordered or fairing compound? Tatheelrod22 Construction, Maintenance & Refit 7 27-11-2015 15:22
Best non polyester fairing compound unbusted67 Construction, Maintenance & Refit 11 27-02-2014 19:19

Advertise Here


All times are GMT -7. The time now is 17:45.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2023, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2023, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.