Category Archives: Boat Repair

Repairing Machined Holes in Fiberglass

Technical Staff Report

First, we will classify the types of holes we are discussing as ones that are round and have been machined, probably with a drill, as opposed to punctures and cracks incurred from damage. The reasons they may need to be repaired are numerous: refitting, resizing, removing obsolete equipment, or mistakes. When repairing fiberglass boats, the challenge is to determine an appropriate repair strategy. You want a repair that is safe and adequate, but also realistic. You want to ensure that the repair is strong enough for the anticipated worst-case load and err on the side of being conservative. Continue reading

Repairing Machined Holes in Fiberglass

Making Practical Decisions when Repairing Machined Holes in Fiberglass

Technical Staff Report

Custom fiberglass boat repair First, we will classify the types of holes we are discussing as ones that are round and have been machined, probably with a drill, as opposed to punctures and cracks incurred from damage. The reasons they may need to be repaired are numerous: refitting, resizing, removing obsolete equipment, or mistakes. Continue reading

Installing a Teak Deck on ZATARA

by Ken Newell

Epoxyworks 20

Cover Photo: The intricate plank layout of ZATARA’s finished teak-covered cockpit, before the hardware was reinstalled.

The Zatara refit project began two years ago when my partner Steve Gallo (a mortgage banker) and myself, Ken Newell (a materials engineer), decided that we wanted something to do with our spare time and money. What we didn’t realize was the level to which the refit project would absorb every weekend and every non-critical dollar we had and cause our significant others to chastise us for our obsessive behavior. Continue reading

Creating a Non-Skid Deck

By Bruce Niederer

This racing season onboard Triple Threat has been filled with the usual mix of tedium, laughs, and excitement. It’s a good thing when the exciting part is due to close racing and fast downwind surfing-it’s a bad thing if the excitement occurs when the foredeck crew nearly goes overboard because the deck is wet and the non-skid has the texture of a slip n’ slide! I’m happy to report no instances of skidding off the foredeck this year, as there had been in years past, because this year the non-skid was brand new. Continue reading

Replacing Damaged Bulkheads

By Dan Witucki

The port bulkhead with the chainplate still attached.

If you race a sailboat long and hard enough, it eventually will reveal its weaknesses, sometimes violently. My friends and I race an Evelyn 32-2 called Rush. Less than a month before the 2002 Mackinaw races, we were competing in the Saginaw Bay Yacht Racing Association, Gravelly Shoals race. Throughout the race the wind had been building and we were a little overpowered with a full main and 150% head sail. We had completed about 45 miles of the 50-mile race when the starboard chainplate decided it had enough and pulled out of the bulkhead. Continue reading

Replacing Damaged Balsa Core

By Bruce Niederer

I love my boat. I love to spend time with it-sailing it, working on it, improving it.

I think I need my head examined.

Seriously, there’s got to be something wrong with me! I actually expected that applying a new non-skid deck to TRIPLE THREAT, our 1981 Pearson Flyer, would be a fairly straightforward project. I always think like that before I get started. One would think I might know better by now, but that type of learning apparently requires some protein sequence that’s missing from my DNA. Continue reading

Damian McLaughlin Rebuilds ARION

By Kay Harley

Damian McLaughlin, custom boatbuilder from North Falmouth, Massachusetts, has been designing, repairing and building boats for more than thirty years. Recently, he finished the reconstruction of Arion, heralded at its launch in 1951 as “the first auxiliary sailboat built in fiberglass” and “the largest one piece hull of reinforced plastic in the world.” In 1950, Sidney Herreshoff, son of the famous Nathaniel, designed the 42′ Arion to be built using what was then an innovative new material: plastic resin reinforced with glass fibers, otherwise known as fiberglass. Continue reading

Repairing individual gelcoat blisters

Repairing Individual Gelcoat Blisters

By Tom Pawlak

Gelcoat blisters can be a serious problem if left unattended. At some point, your hull may need extensive repair, including gelcoat removal and epoxy barrier coats as described in Gelcoat Blisters: Diagnosis, Repair & Prevention. However, if you have isolated blisters and a manageable number to repair individually, we often recommend that you patch individual blisters and continue to use the boat until you determine the cause and extent of the problem. Continue reading

Plastic Boat Repairs

By Tom Pawlak

Editor’s note: this article was written in 2000, years before we formulated G/Flex 655 epoxy which has superior performance with plastics. The basic plastic boat repair methods described here still represent best practices, but for optimal results use these methods with G/flex 655 epoxy on plastics.

Molded plastic canoes and kayaks are incredibly tough and durable. Occasionally though people damage them and call us for repair recommendations. Considering that plastic film is often used as a mold release for epoxy, you can see what we’re up against when we try to bond to it. Continue reading

Bonding a Skeg to a Polyethylene Kayak

By Chris Maples

Editor’s note: this article was written in 2000, years before we formulated G/Flex 655 epoxy which has superior performance with plastics. The basic plastic boat bonding methods described here still represent best practices, but for optimal results use these methods with G/flex 655 epoxy on plastics.

The hull shape of a white water kayak is not designed for tracking well in open water. Since I do most of my kayaking on open water and flatter rivers, I decided to mount a skeg on the hull to make it track better. This is pretty simple if you own a wood or fiberglass boat, but can be more challenging on a polyethylene kayak. Continue reading