2016年5月3日星期二

Fiberglass Repair Rules

Fiberglass Repair Rules
Few things are more demoralizing to the boat owner than looking at the fuzzy edge of broken fibreglass. However, the repairability of fibreglass is one among its best characteristics. the foremost horrifying hole in a very fibreglass hull is quickly healed with a little of glass cloth, a offer of resin, and equal components skill and care. and therefore the repair is less patch than graft--a new piece of skin indistinguishable from the previous.
Fiberglass lay-up is nothing than layers of glass cloth saturated with polyester (or epoxy) resin, however most boat owners imagine a self-applied repair as solely slightly a lot of sturdy than a wet Band-Aid. this is often a false concern. Follow a number of easy rules and your lay-up is going to be just as sturdy as the rest of the boat.
1. Cut Away the damage, 2. working from inside, 3. Dewax, 4. Grind, 5. Mask and mould,
6. Fabric: cut enough fibreglass cloth to suit the outlet. Unless you have got reason to follow a different schedule, begin with 2 layers of 1 1/2-ounce fiberglass chopped strand mat, then alternate chopped strand mat and 6-ounce fabric. the quantity of laminates are determined by the thickness of the hull; you may roughly want one layer for each 1/32 inch. Cut the primary layer of chopped strand mat the full size of the bottom depression, then cut subsequent pieces about an inch smaller. This order of largest piece 1st, then increasingly smaller pieces is how you're going to apply the new cloth. we do it this unreasonable method, particularly with polyester resin, as a result of it maximizes the area of the secondary bond, the adhesion of the new fabric to the old laminate.
7. Using Polyester or Vinylester resin, 8. Catalyst, 9. Gelcoat, 10. Lay-up, 11. Finish

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