23
Sep
How do you fill screw holes in a fiberglass boat. Hi there I just got hold of a 1980 36 hunter and there are several holes that I need to fill in the fiberglass.
First examine the hole and look for cracks and chips extending out from the hole.
Filling holes in fiberglass boat. Filling old screw holes in a fiberglass boat. Another vote for Marine Tex. I used it to fill screw holes that were through the hull.
Before filling I chamfered the edges of the hole from the outside so there was more surface area for the epoxy to grip. None of the filled holes has loosened up or leaked. 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 youve circled with the marker. Every hole in a fiberglass boat is an opportunity for water to invade the core material but filling open holes with a thickened epoxy resin before either making the holes disappear or before drilling a new hole in the same spot ensures that any water only meets with epoxy and thats the end of the road for moisture.
There are two methods that can be employed the Bedding Method and the Plug Method. While the Bedding Method may be used for holes above the waterline the Plug Method is superior and should always be used if the fiberglass laminate is cored or the hole is below the waterline. To fill small holes such as nail or screw holes mix milled glass fiber into epoxy until you get the desired consistency.
Filleting A fillet sounds like fill-it is a continuous bead of mixed thickened epoxy applied to the angle joint formed where two. How do you fill screw holes in a fiberglass boat. Mix the epoxy and filler till its like putty and shape it like a nail and push it in the hole and pack it with the handle of the craft brush.
Build it up and put some masking tape on it to keep from oozing back out. Repair filling large hole in fiberglass on boat - YouTube. Fill the drilled hole with the mixture thoroughly and put a clear packaging tape on top of the hole.
Let the epoxy cure for about 24 hours. Remove the clear tape and wet sand the filled hole with 180 grit paper. Just a fast hint dont fill in the holes like that.
First take a dremil to the holes and odd shape them go from a O to a V or U anything except a circle. No matter how great you fill no matter how fantastic the painter is youll ALWAYZ see the circles. Many of the holes are in access panels which get water ingress either way.
However I do acknowledge the argument of fiberglass swelling. If the SeaDek is applied correctly there shouldnt be much contact with water. On my boat at least the SeaDek completely covered all snap holes.
I did use 3m 4200. 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. Tape the underside of the hole.
Use water resistant polyester filler to fill the hole as follows. Mix up the filler according to directions. What screws to use on fiberglass.
You will twist off any stainless screw by trying to screw it into a too-small pilot hole in any but the thinnest fiberglass panel. For general purposes I most often use a coarser wood screw type thread with. The sizes of the fiberglass sheets you decide to use will range from the largest area as the area of an outer circle to smallest area as the area of your hole.
Before you can repair this hole you have to cover up the inside of the hull to prevent the wet fiberglass. Fill the hole following the directions as described above for putty. At the end use a smoth clean rag old t-shirt wetted with aceton to remove 132 off the top you want the hole to be not quite full so you can put in gelcoat as described above Let.
If needed put a screw into the drill hole left by the hole saw to hold the plug then after the epoxy has cured remove the screw and fill that hole with epoxy. Then apply a few layers of fiberglass cloth and epoxy on the inside over the whole backing plate. Hi there I just got hold of a 1980 36 hunter and there are several holes that I need to fill in the fiberglass.
There are about 6 holes in the upper hull where the dodger used to screw in and two holes below the waterline where a grounding. Part 3 video will show you how to mix epoxy resin and fill the holesClick the affiliate links below to purchase or view additional informationAs an Amazon. Part 2 - How to Repair Screw Holes in a Fiberglass Boat - YouTube.