Re: M_Boats: Gel Coat Matching

[Bob Olson]

Bill, From what I've been able to glean from various websites regarding 
gelcoat, is that its primarily a production process material. In other 
words, it works best when sprayed into a mold as the first layer in the 
production process before the layers of fiberglass. I have a feeling 
that it would be difficult to replicate the original gelcoat look by 
applying it over a hull repair. And, I'm guessing that it would need to 
be covered in order to cure properly. Typically, a boat shop would spray 
a water soluable material over the gelcoat as a final step. After the 
gelcoat had cured, then the top layer would be washed off.

That's why I'm leaning toward a linear polyurathane (sp?) product. More 
expensive than cocaine, but it sounds as though it's the right product 
for post production repairs.

How the hell do you de-core part of a rope for a centerboard pendant? 
That's the thing that got me boggled right now.

--Bob
[EMAIL PROTECTED] wrote:
In a message dated 4/17/2005 12:08:11 AM Pacific Standard Time, 
[EMAIL PROTECTED] writes:
West System believes that you can put gelcoat over their epoxy.
Bob,
I was about to go buy another book when I had the right one all along (West 
System Boat Repair & Maintenance). The book is inexpensive, around $3.00. On 
page 8 it refers to the steps needed to use gelcoat over epoxy. Looks like my 
little projects will be fine with the use of epoxy only. No need to use 
polyester resin for the small hole repairs I've got in mind. However, they do 
recommend a long epoxy cure time of two weeks prior to putting on the gelcoat finish.
Bill
"Tipperary"
_______________________________________________
http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats

 


_______________________________________________
http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats