Cracks in fiberglass of bilge area that ugly gooey water is a bad sign. When we repair a floor we pull up the carpet and then pull up the bad wood and fiberglass. Fiberglass filling in large holes in rv for the first time. Repair cracks and scrapes, gelcoat blisters, loose hardware, delaminated decks and panels, damaged keels and holes up to 1. Use the resinbased putty to fill in the depression or hole, working the putty into the depths of the damaged area carefully with the smallblade putty knife. Fiberglass is used to build boats for many reasons. Use on wood, rubber, glass, metals, fiberglass, lexan, ceramic and concrete. How to repair a damaged fiberglass boat floor step 1 assess the damage. Plan on using a variety of sanding tools if you are dealing with a repair that bridges both a flat area and a detailed area such as a chine or gunwale. Few things are more disheartening to the boatowner than staring at the fuzzy edge of broken fiberglass. However, the repairability of fiberglass is one of its best characteristics.
Cracks in bilge fiberglass boat talk chaparral boats. Oct 11, 2017 repairing hundreds of fiberglass cracks to get ready for spraying awlgrip paint. Read a few threads here saying not to worry about bilge cracks, but heres a pic of mine. Shaving fiberglass, new approach to stress cracks and mail call. Repairing hundreds of fiberglass cracks to get ready for. When friends on an allmand 31 asked my husband, dave, for advice about repairing cracks in the fiberglass near their bow cleats, dave realized they had a much bigger problem than mere stress cracks. Our fiberglass and marine technicians will use the highest quality materials and utilize professional techniques to ensure a strong repair that is stateoftheart and safe in the harsh boating environment.
Shaving fiberglass, new approach to stress cracks and. Even major repairs and construction flaws can be finished, and hidden by sanitreds versatile and flexible. How to repair a fiberglass boat floor diy and repair guides. Also there is a hole in front where it looks like it hit or rubbed something for a long time.
Wait for the plastic filler to cure before applying another coat. The rust staining is coming from your single point drain block water and sticking in crack edges. The most obvious signs that your boat is in need of a new floor is that when walking around you feel soft spots. In order to solve these problems, people can start learning how to repair fiberglass boat floors. Easy ways to repair cracked fiberglass with pictures. I purchased this fiberglass resin kit from farm n fleet and the clerk there said it should be acceptable to use on my boats floor even though it was marketed for auto repair. How to repair spider cracks on your fiberglass boat. The resin bonds to metals and plastics and hardens to a sandable surface in less than two hours. The boating store i visited beforehand sold a very similar kit for 4x as much.
Oct 07, 2019 when doing fiberglass boat repairs, youll most likely be painting or rolling it on in small batches. Although the structural members of the hull are designed to accommodate for these stresses by flexing, the skin of a fiberglass boat is rigid and responds to these forces and effects by developing weak spots where the fiberglass attempts to stretch. The usual causes of stringer failure are disintegration of the stringer core material, impact damage from slamming and grounding, and fatigue from normal use. To begin, take the time to evaluate the extent of the damaged area. One quick and easy way to repair gelcoat stress cracks yourself is by using magicezy hairline fix a purpose built diy repair solution for stress cracks in gelcoat and fiberglass. The texturing of the deck is dimpled, for lack of a better term. After the repair we couldnt even find the repair area.
All about fiberglass boat stress cracks fiberglass boat repair. Fiberglass is a strong and versatile material that can be used to make a variety of things, including bumpers, showers, and boats. Fiberglass decks would easily work elsewhere, though. I have not had the boat for a while, i got it through a trade. The materials are readily available because many of them are also used in boat building and boat repair, a local industry for any area that has access to recreational or commercial boating. Chief among these are its durability, but also its easy to repair. Jan 29, 2020 small cracks allowed the wood to become soaked and it swelled and then rotted. The other repair for spider cracks involves a little more work. Fill the crack with a fair amount of fiberglass epoxy resin, using a plastic applicator. When the area is dry, smooth the surface with sandpaper. Each strip should be about 1 inch wider than the previous one. As with most fiberglass work, the process is messy, but straightforward. Magicezy has developed a range of worldfirst gelcoat repair products that repair and color damage in seconds. How to gelcoat a boat floor gone outdoors your adventure.
This damage is often caused by slight flexing of the hull. Possible causes of fiberglass pool cracks home guides sf gate. Wear and tear can eventually weaken the performance of fiberglass boats. Upon further inspection, he found that the entire plywood core of the foredeck was rotten. In the smaller fiberglass boats the wood for the engine mounts is usually part of the stringer assembly and encased in fiberglass. I was always under the impression from fiberglass kayak experience that hairline cracks didnt really pose a problem. The stress cracks are not much larger then the thickness of a.
In most cases, a repair will be needed to mend the surfaces back together, however. Occasionally a protrusion beneath the pool floor, such as a tree root, rock or hard clump of dirt, exert enough force against the underside of your. Magicezy products are perfect for all manner of fibreglass boat repairs. Since 1968, west marine has grown to over 250 local stores, with knowledgeable associates happy to assist. May 27, 2009 if there are hairline cracks in the hull, do these have to be repaired. This thicker gelcoat cannot stand any flexing without showing cracks. Most boat owners know that doing fiberglass boat repairs is a nightmare. Fiberglass boats are usually waxed, and you must remove. Two coats are usually enough to repair standard damage in the typical fiberglass boat. Hairline cracks, stress cracks or spider cracks star cracks that occur in gelcoat surfaces on fiberglass boats or other water craft are often seen as a cosmetic issue.
Any crack that goes deeper than the gelcoat definitely needs attention. In most cases this is true, however it is important to seal them correctly otherwise water may penetrate into the fiberglass and cause more serious damage. If your floor needs repaired, from laying new carpet to major reconstruction, you can be assured that the floor will be troublefree for years. How to fix a crack or hole in a fibreglass boat the new. How to repair fiberglass on a boat the family handyman.
You can also browse through our range of gelcoat repair projects that will guide you in completing the. Because there is no fiber in it, over time it will crack because the hull naturally flexes a bit. Most of us know that fiberglass has a very limited ability to bend instead it cracks when overstressed. Accidental collisions as well as wear and tear are major causes of voids and cracks on fiberglass boat floors. While it is a useful and lightweight material, it can be damaged. Try not to remove any of the fiberglass resin or cloth.
Repairing stress cracks in a nonskid textured surface. How to repair a fibreglass crack for beginners youtube. Now for the bad news, mt used some poor quality gelcoat during their production run, and i have seen 5 where the entire hull had the cracks. Finally, sand the cured surface, then paint with a waterbarrier coating or cover with nonskid flexible covering.
Bondo fiberglass repair kit, half pint can, 420, includes both the tools and supplies needed to repair holes, scratches and nicks found in fiberglass, metal, wood and other materials. Brush on the resin and apply the precut mat to suit your area to be repaired. How to fix a hairline crack in a fiberglass tub home guides. Possible causes of fiberglass pool cracks improper installation and manufacturing or external forces such as hard impacts or earthquakes can cause a fiberglass pool to develop cracks. Cracks and holes may develop sooner along their floors. Dec 29, 2015 imo, its gel coat that is sprayed heavy in those areas that has cracked which happens wherever they apply heavy and boat is used so its somewhat normal. Repeat this process until three layers have been applied. All gelcoat is, is nonreinforced tinted fiberglass. Small cracks allowed the wood to become soaked and it swelled and then rotted. Repairing stress cracks in a nonskid textured deck ive got a 79 f36 trojan. Don casey has been one of the most consulted experts on boat care and upgrades for 30 years, and is one of the boatus magazines panel of experts. The seal created by the polyester resin material is permanent. Glass reinforced plastic grp, known as fiberglass or glass wool, is thin fibers of polymer plastic woven together with strands of glass. Crazing is an incredibly common issue on modern fiberglass boats, and although it usually starts off as a matter of cosmetics, in severe cases these surface cracks can grow, deepen, and eventually threaten your boat s structural integrity.
Stress cracks in fiberglass bass boats, canoes, kayaks. By knowing how to repair fiberglass boat floors, people can solve these problems easily. Before having the motor reinstalled, drill some holes into the stringers and inspect the wood that comes out. Repairing hairline cracks and how to do repair gelcoat magicezy. At this point we will check the stingers and motor mounts by taking a core sample. Theyre beyond spider cracks, and seems to penetrate through gelcoat at least. Use this particular knowledge to maintain the good quality as well as the superior performance of your boats. This is about how much time youll have before the resin begins to dry and harden.
Start by wiping down the area with acetone and sanding the damaged gelcoat down to the fiberglass. This was the first type of fiberglass delamination and the failures damaged the boat building industry badly since many manufacturers had transitioned to all. These hairline fractures also occur in boats of the mid 1970s vintage which often had thicker gelcoat layers than newer boats. Fiberglass and gelcoat have different flexing characteristics. If they really need to be fixed to keep the boat from absorbing water, can i just sand the whole thing and roll a layer of epoxy over everything. Fiberglass is used in innumerable consumer and industrial products from airplanes and automobiles to showers and insulation. He and his wife cruise aboard their 30footer part of the year in the eastern caribbean. This penetrating copolymer sealant is formulated to be so thin that by using capillary action it can find its way inside fine cracks and set to a clear, flexible seal. Repairing hundreds of fiberglass cracks to get ready for spraying awlgrip paint. How to repair soft spots in fiberglass on a boat gone. I am waiting till i pick up another boat to put the engine and od in. Fiberglass boats are arguably the best kind of boats you can own.
For plastic or aluminum surfaces, prime the surface with mega fusion. You can patch boat holes in an afternoon and fiberglass a boat in just a couple of days. How to fix spider cracks, hairline cracks, and crazing in boat. Ill be taking the boat out of the water after each use, and storing inside. After some time, even the once durable fiberglass boat floors begin to encounter problems. Fiberglass boats can be repaired with west system epoxy. This can range from small defects that need a little patching up to major damage that affects the overall shape of the surface. They are common in areas with tight turns or near the place where the coring ends and becomes all fiberglass. These fiberglass cracks can be purely cosmetic, or can severely degrade the boat s ability to stay afloat. Magicezy hairline fix is a onepart, pretinted available in 10 colors sealant that allows you to complete the repair in seconds without having to grind out the. Crack cure sealant at the official west marine online store. Theyre lightweight, fun to build and easy to maintain. Fiberglass and structural repair starboard marine repair. You may want to apply colored gelcoat enamel over the repaired area, so the repair wont be so noticeable.
Soon the inner and outer fiberglass layers couldnt do their job and broke down from repeated flexing. We wont go into great detail here, but suffice it to say that stress cracks occur because of voids under the surface of the gelcoat, and or a lack of strength in the underlying fiberglass or compounds used in the sub structure of the boat. These fiberglass cracks can be purely cosmetic, or can severely degrade the boats ability to stay afloat. While fiberglass boats are known to be fairly low in maintenance, repairs may still be necessary at some point to replace cracks or bubbles on the floor or hull, for example. Sanitred is the only waterproofing system that can repair and seal any salt or freshwater ship, work, or pleasure boat deck paint, bilge area, vertical or inverted marine structure permanently, no matter how damaged or deteriorated. Fiberglass repair stress cracks youtube, how to fiberglass over plywood youtube, replacing the floor in my boat ohio. Installing fiberglass roof decks professional deck builder. How to fix a crack or hole in a fibreglass boat the new fibreglass boat restoration project. If your fiberglass boat only has superficial damage, such as scratches and cracks, sand the area and remove the wax with a solvent before applying a storebought plastic filler such as gelcote. They can occur in any form of fiberglass, including cars, boats and swimming pools. To repair the wood would mean removing the engine, cutting the top off the stringer, replacing the wood, and then reglassing the top of the stringer back in place. In fiberglass boat repair the repair area may have hardness very similar to the original laminate and you can accidentally change the shape of the surrounding area. There are recessed spots over the entire nonskid surface. Apr 06, 2020 if your fiberglass boat only has superficial damage, such as scratches and cracks, sand the area and remove the wax with a solvent before applying a storebought plastic filler such as gelcote.
Aug 27, 2012 the cracks are called spider cracks, and they are normal for a gel coat finished boat. This article covers how to fiberglass a boat using epoxy resin. What a great time we had today, this boat is awesome. As long as the floor is sealed and is smooth i will be satisfied. Since the fiberglass has already thinned or cracked, you may sand all the way through the fiberglass in spots. Gelcoat tends to be stiff and brittle and fiberglass a bit more flexible. Aug 03, 2011 i purchased this fiberglass resin kit from farm n fleet and the clerk there said it should be acceptable to use on my boat s floor even though it was marketed for auto repair. The boat is in pretty good condition for its age in my opinion, but the hull does have some minor hairline stress cracks. Small cracks form in the outer surface of the fiberglass, spreading out from a central point like a spiderweb. If you have a vessel that is constructed with wood, fiberglass, ferrocement or steel you can easily and permanently transform and seal above or below the waterline using sanitred boat floor paint products. All about fiberglass boat stress cracks fiberglass boat.
Crazing is an incredibly common issue on modern fiberglass boats, and although it usually starts off as a matter of cosmetics, in severe cases these surface cracks can grow, deepen, and eventually threaten your boats structural integrity. Repairing hairline cracks and how to do repair gelcoat. Sep 15, 2016 fiberglass decks would easily work elsewhere, though. The way youll do this is youll mix up a small amount of resin that you can successfully paint on over the fiberglass within about 15 to 20 minutes. In case these things happen, knowing how to repair a fiberglass boat floor can truly help, especially in terms of reducing costs. The cracks can also point to a structural defect that must be corrected. How to fix spider cracks in fiberglass it still runs. Hairline cracks can be repaired using hairline fix.660 464 1317 582 489 1121 574 1208 723 757 1313 402 692 369 760 386 243 230 1230 146 1563 211 975 644 1214 1452 398 1091 1281 40 908 196 360 184 340 614 147 1466 539 138