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  Fairing Putty: SYSTEM THREE QuickFair

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Author Topic:   Fairing Putty: SYSTEM THREE QuickFair
ttboy posted 04-08-2007 09:30 PM ET (US)   Profile for ttboy   Send Email to ttboy  
Is system3 quickfair a good product to use on a Boston Whaler boat? I am not really sure how the product works. I am going to be bring my 1964 13-footer back from the grave. The boat has some transom [problems]. I am also going to build up the transom after I repair it. [Perhaps means to increase the transom height--jimh.] In the past after glassing I would use body filler. So is SYSTEM THREE QuickFair like body filler? Is it any good? How could using help my project? Should I bother with it?
Tonym posted 04-08-2007 09:54 PM ET (US)     Profile for Tonym  Send Email to Tonym     
I am using Quick Fair on a 22-foot Guardian that I am repairing. I have found that it is an excellent product. It mixes very easily and stays where you stick it. Make sure you make very small batches when you first start as it kicks off very quickly. I have numerous imperfections on the outside of the hull and it has worked very well. What I do is apply the fairing, come back the next day and sand, then clean with acetone, and apply some more. Repeat the process for several days and before you know you are ready for gelcoat or paint! System Three says you can sand after four hours but I usually wait a day. It is approved for below the waterline. I don’t know anything about bondo.
Good Luck, Tonym
Mobjack posted 04-09-2007 02:39 PM ET (US)     Profile for Mobjack  Send Email to Mobjack     
Just got introduced to this product a few weeks ago by another boatbuilder and used it extensively, as it is with any new product I find out about that is really good, by the end I was looking for stuff to use it on. I was using it on a wooden boat restoration project, not my whaler, but I can imagine that it would work fine on a fiberglass boat repair. This stuff is great.
ttboy posted 04-09-2007 04:17 PM ET (US)     Profile for ttboy  Send Email to ttboy     
Thanks. I have a cracked transom. The crack runs down the corners on both sides of the transom about six inches and is all the way through. Can I use [SYSTEM THREE QuickFair] to fill this area? Is [the transom of the boat] structurally sound? I need to make the port and starboard sides and the transom one again.
mbear posted 04-09-2007 11:19 PM ET (US)     Profile for mbear  Send Email to mbear     
SYSTEM THREE QuickFair is a fairing compound. A fairing compound is by design less hard and substantial than straight epoxy or some other filler in order to have an easier sanding substance. If you are looking to do structural repairs I don't think a fairing product is the way to go. Use epoxy mixed with a structural filler or one of the many other products out there made for structural integrity.
Binkie posted 04-10-2007 03:42 PM ET (US)     Profile for Binkie  Send Email to Binkie     
Had a crack like that on the splashwell of my 13-footer. Glassed a piece of 1.5-oz mat about 4-inches wide over the crack, then another about 2-inches wide, then ground it down and troweled marine bondo over the ground down patch. It won`t crack again. Make sure you grind the area of the crack before you patch it.

Rich

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