Repairing Molded Plastics


Before looking for the right glue, understand why the part broke. Did it succumb to a combination of UV damage, creep (distortion), fatigue, and ordinary wear and tear? In the case of UV damage, the material itself is vulnerable. If it is in an exposed location, the glue or any replacement parts should be UV-resistant, or at least protected by paint. With plastics, UV damage and fatigue builds up over the years, in the same way that chloride corrosion builds up over the years and leads to fatigue cracking in stainless steel.

To continue reading this article or issue you must be a paid subscriber. Sign in

Subscribe to Practical Sailor

Get the next year of Practical Sailor for just $34. And access all of our online content - over 4,000 articles - free of charge.
Subscribe today and save 42%. It's like getting 5 months FREE!
Already Subscribed?
Click Here to Sign In | Forgot your password? | Activate Web Access
Darrell Nicholson
Darrell Nicholson is Director of Belvoir Media Group's marine division and the editor of Practical Sailor. A lifelong thalassophile, he grew up sailing everything from El Toro dinghies to classic Morgans on Miami's Biscayne Bay. In the early 90s, he left a newspaper job to sail an old gaff-rigged ketch across the Pacific and has been writing about boats and the sea ever since. His weekly blog Inside Practical Sailor offers an inside look at current research and gear tests at Practical Sailor, while his award-winning column,"Rhumb Lines," tracks boating trends and reflects upon the sailing life. He sails a Sparkman & Stephens-designed Yankee 30 out of St. Petersburg, Florida. You can reach him at