Home made tools similar to a grub hoe or an adz can be used to take away the stubborn perimeter areas. When you’ve removed as much of the wooden as you’ll be able to, sand the surfaces of the exposed fiberglass skin to expose fresh fiberglass laminate.
If you know you may be changing all of the core, the depth could be set deeper. Thanks to all authors for creating a web page that has been read 394,599 occasions. Always put on eye protection, a dust masks, and gloves when chipping, grinding, or placing concrete. Put a few holes in a chunk of plywood and tie a shoelace or piece of wire in it. Then put it within the maintain and attach a stick with it and twist to hold it in place. Then apply the plaster, Fixall, Quick Fix or Cement-All. These compounds do not shrink and make the job take much less time.
Be certain you and any parts of the boat you do not need to get epoxy on are protected. A 1½”-thick core can be changed with three layers of ½” or 4 layers of 3/eight″ plywood. If marine grade plywood is not available, use a number of layers of AB grade exterior plywood. Exterior grade plywood could have more voids in the internal layers of veneer than true marine grade. Because of this it is important to use more layers of thin plywood to construct up the required thickness. In other words, use 4 layers … Read More