filling screw holes in fiberglass hull

Filling old screw holes in deck... | Boat Design Net

Oct 16, 2007·This is a very early fiberglass design, so the entire hull and deck is laid woven glass, no foam or plywood cores. They hadn't figured out how to minimize materials yet. It's built like a tank! I want to re-arrange a lot of the running rigging, and I need to be able to plug a bunch of old screw holes in the cabin top or elsewhere on deck.

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Best Filler for Repairing Screw Holes in Fiberglass ...

Apr 14, 2011·Images: 2. Re: Best filler for repairing screw holes in fiberglass. Milled fibers (not chopped) and silica are the "usual suspects", though cotton flock (West 403) and calcium metacilcate (West 404) also will bond well. As to the best, well milled fiber improves adhesive qualities on 'glass surfaces and is my typical choice for wood to 'glass ...

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What do you use to seal screw holes in fiberglass | Page 3 ...

May 17, 2020·Drill a hole large enough to insert the sharp end of the Allen wrench where the screw would be placed and use the drill and Allen wrench to dig out the core all the way down to the inside fiberglass layer.. if you are working from the top down, it is easy to fill the hole (now about 1-1/2" diameter) with filler epoxy and drill holes in that for ...

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How To Fix Screw Holes In Fiberglass - Bass Boats, Canoes ...

Apr 01, 2012·The screws are in fiberglass, not wood. I have to fill in the holes, so epoxy will be better? After I have all the holes filled in and sanded down, and the carpeting removed with all the old glue off, Im going to have the boat repainted. Just want to make sure that whatever I fill the holes in with is going to be ok for the paint to stick to.

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3M 5200 and Screw Holes from an old transducer ...

Mar 02, 2016·27230 posts. re: 3M 5200 and Screw Holes from an old transducer Posted. by cgrand. on 3/3/16 at 8:06 am to voros79. drill out the holes slightly larger. blow them out with compressed air. put a piece of tape over the inside. inject resin into the hole leaving about a 1/4 reveal on the wet side. let it …

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Filling thru hull holes | Boat Design Net

Dec 27, 2013·Diameters are 3/4" to 1.5". The hull is about 3/4" thick. Gel coat on the outside, mat on the inside. I will grind out a concave circle on each side of the hole say 6-7 inches. The fill schedule will be polyesther lamination resin, 1 layer each of 1.5oz mat , 1708 and 2 layers of 1.5 oz mat on both sides.

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How To Patch a Hole in a Fiberglass Boat

Aug 19, 2016·A major fiberglass repair, such as patching a hole, can be a daunting task. Watching a professional do the job can help you get on the right track and be confident in doing the repair yourself. This step-by-step video tutorial produced by Sea Hawk Paints will show exactly what needs to be done when patching a hole in your fiberglass boat.

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Epoxy for filling holes in stringers. | Performance Boats ...

Aug 29, 2015·Epoxy Not. Personally I'd shy away from using an epoxy for filler or minor repairs. Most fiberglass hulls are made from polyester resin, so using a polyester filler would simplify the job. Clean up the holes you'd like to fill so the resin can get a good bite. Mix up a small batch of resin with an additive like West System #406 or #407.

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Fiber glass screw hole repair | Ohio Game Fishing

Mar 10, 2014·With Marine-Tex, you can repair a damaged hull, reinstall loose or stripped fasteners, permanently bond dissimilar metals without galvanic corrosion, fix leaks in fuel tanks, water tanks (it's not rated for potable water repairs), piping and engine blocks, plus fill gouges in wood, metal, fiberglass …

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Boating Tips: How to Plug Screw Holes Below ... - boats

Jul 18, 2017·Remember, using 3M 5200 is the key. This sticky goo cures into a hard rubbery material that’s water-tight and super-strong. And be sure to use both the screw-dip and the squeeze methods of getting 5200 into the holes. You want to be 100-percent sure every space not occupied by the screw itself is filled with 5200.

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What do you use to seal screw holes in fiberglass | Page 3 ...

May 17, 2020·Drill a hole large enough to insert the sharp end of the Allen wrench where the screw would be placed and use the drill and Allen wrench to dig out the core all the way down to the inside fiberglass layer.. if you are working from the top down, it is easy to fill the hole (now about 1-1/2" diameter) with filler epoxy and drill holes in that for ...

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How do you repair stripped fiberglass screw holes ...

Jan 16, 2015·There are a few fiberglass screws holes that are stripped on my car. They hold the fiberglass wheel well liners to other fiberglass parts. Replacing the stock screws with oversized sheet metal screws is an obvious solution, but I am wondering if there is a standard and easy way to repair fiberglass holes (plug and redrill?) (how?).

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How do you repair stripped fiberglass screw holes ...

Jan 16, 2015·There are a few fiberglass screws holes that are stripped on my car. They hold the fiberglass wheel well liners to other fiberglass parts. Replacing the stock screws with oversized sheet metal screws is an obvious solution, but I am wondering if there is a standard and easy way to repair fiberglass holes (plug and redrill?) (how?).

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Boat-Project.Com - Drilling Holes in a Fiberglass boat

Step 1. Drill the hole a bit larger than you need. A good estimate is a minimum of 50% larger. For instance, if you need a 1/2in hole, drill a 3/4in hole. If you are going to screw a something into the hole, a larger hole is even better. Step 2. Create a plug by sealing one end of the hole, then pour mixed epoxy into the hole - thereby creating ...

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How do you fix screw holes in fiberglass?

May 18, 2020·How do you fix screw holes in fiberglass? Remove the plug and sand a slight chamfer around the perimeter of the hole on both sides of the bulkhead that flares out onto the fiberglass a ½” or so. Glue the wood plug in place with epoxy thickened with 403 Microfibers. Allow it to cure to a soft gel before filling the low spots on each side of ...

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repairing screw holes in fiberglass | Club Sea Ray

Apr 14, 2011·Tape around the hole as described, then put some mixed epoxy in the hole, but don't fill it with epoxy. Then take the snap/screw and put it into the hole so it fits square on the fiberglass. Epoxy will harden and hold it in. Remove the tape when the epoxy is a bit beyond tacky, and remove any excess on the screw/snap.

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Screw holes that go all the way through the fiberglass ...

Nov 07, 2020·Depending on whether these holes are going to be reused (like under the splash guard), thicken the epoxy with a West Systems product or moosh some fiberglass threads into the holes. There's always Thixo ($22). Inject resin with a disposable syringe, turn the hull …

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Epoxy for screw hole filling and ... - KEY WEST BOATS FORUM

Dec 22, 2014·Works great with a machine screw application. I've used it in limited cases with a sheet metal screw. The material itself is less forgiving to a a wedging force which comes from a sheet metal screw as opposed to the machine screw, but it works. On that subject I've also drilled and tapped solid fiberglass laminate on occasion to use a machine ...

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Boat Maintenance and Repairs: Attaching Hardware to Your Boat

Aug 14, 2000·The rusty hardware is waiving a red flag at you saying, "Hey Mr. Boatowner, there's water going in through these screw holes." Doing it Right How to install hardware on a cored deck is easy in theory but hard in practice because of the accessibility problem to the underside of the deck or whatever you're attaching to.

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What do you use to seal screw holes in fiberglass ...

May 10, 2020·You want it strong and leak proof, but you know the day is coming that it may have to be taken apart, Wrap a layer or two of teflon tape on the bolt that will be in contact with the 5200, if need be you will be able to back it out latter. I have done that with S.S. screws as well, works Great.

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Boat Maintenance and Repairs: Attaching Hardware to Your Boat

Aug 14, 2000·The rusty hardware is waiving a red flag at you saying, "Hey Mr. Boatowner, there's water going in through these screw holes." Doing it Right How to install hardware on a cored deck is easy in theory but hard in practice because of the accessibility problem to the underside of the deck or whatever you're attaching to.

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How to Fix a Hole on a Fiberglass Boat - Complete DIY Guide

Repair small hole in a fiberglass boat hull. Hole going right through fiberglass into the boat: First, examine the hole and look for cracks and chips extending out from the hole. Use a marker to circle the entire damaged area. Making sure to include the cracked spots. Next, take a saw and cut out the damaged area that you’ve circled with the ...

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Repairing Machined Holes in Fiberglass - Epoxyworks

Nov 22, 2014·When the epoxy used in your reinforcement has gelled, use epoxy thickened with 403, 404, or 406 filler to fill the hole. After the thickened epoxy has cured, use a hole saw to cut the new hole. Dry fit the new thru-hull fitting, trimming the fiberglass as needed. Use the fitting as a template for locating the new screw holes.

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Covering Screw Holes In A Fiberglass Hull

Dec 29, 2001·I am looking for some opinions, or recommendations as to what TWO-PART products will work best for filling or plugging holes in a fiberglass hull. The holes are from transducers that are being replaced. I was thinking of using windshield urethane, or structural adhesives like 3M's 8116 or a FUSOR product from the LORD corporation.

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Filling old screw holes in deck... | Boat Design Net

Oct 16, 2007·This is a very early fiberglass design, so the entire hull and deck is laid woven glass, no foam or plywood cores. They hadn't figured out how to minimize materials yet. It's built like a tank! I want to re-arrange a lot of the running rigging, and I need to be able to plug a bunch of old screw holes in the cabin top or elsewhere on deck.

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How To Screw Into Fiberglass - The Hull Truth - Boating ...

Apr 10, 2003·If you are screwing into solid Fiberglass make sure your pilot hole is big enough and counterbore the hole with a clearance drill so the screw doesn’t crack the Gelcoat. 5200 will help, but a little spit will lube the screw just as good. If you are putting a screw into a cored hull …

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