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2. Gelcoat - Wikipedia

   en.wikipedia.org/wiki/Gelcoat

   Gelcoat or gel coat is a material used to provide a high-quality finish on the visible surface of a fibre-reinforced composite. The most common gelcoats are thermosetting polymers based on epoxy or unsaturated polyester resin chemistry. Gelcoats are modified resins which are applied to moulds in the liquid state.

3. Fiberglass spray lay-up process - Wikipedia

   en.wikipedia.org/wiki/Fiberglass_spray_lay-up...

   The gelcoat (a smooth, hard polyester resin coating) is applied to the mould surface and is given time to cure before re-applying. Usually two coats of gelcoat are used. The barrier coat is applied to avoid fibre print and a rough surface through the gel coat. The barrier coat is cured in an oven and left to cool to room temperature.

4. Stitch and glue - Wikipedia

   en.wikipedia.org/wiki/Stitch_and_glue

   The one sheet boat (OSB, cf. oriented strand board) is an outgrowth of the stitch and glue technique. The OSB is a boat that can be built using a single sheet of 4 foot by 8 foot plywood (1.22 m × 2.44 m). Some additional wood is often used, for supports, chines, or as a transom, though some can be built entirely with the sheet of plywood ...

5. Varnish - Wikipedia

   en.wikipedia.org/wiki/Varnish

   Violin varnishing is a multi-step process involving some or all of the following: primer, sealer, ground, color coats, and clear topcoat. Some systems use a drying oil varnish as described below, while others use spirit varnish made of resin(s) dissolved in alcohol. Touchup in repair or restoration is only done with solvent based varnish.

6. Deck (ship) - Wikipedia

   en.wikipedia.org/wiki/Deck_(ship)

   The process for building a deck in fiberglass is the same as for building a hull: a female mould is built, a layer of gel coat is sprayed in, then layers of fiberglass in resin are built up to the required deck thickness (if the deck has a core, the outer skin layers of fiberglass and resin are laid, then the core material, and finally the ...

7. Fiberglass - Wikipedia

   en.wikipedia.org/wiki/Fiberglass

   A suitable resin for combining the fiberglass with a plastic to produce a composite material was developed in 1936 by DuPont. The first ancestor of modern polyester resins is Cyanamid's resin of 1942. Peroxide curing systems were used by then. [6] With the combination of fiberglass and resin the gas content of the material was replaced by plastic.

8. Boat building - Wikipedia

   en.wikipedia.org/wiki/Boat_building

   Epoxy resin: a two-part thermosetting polymer increasingly used in modern wooden boat building variously as an adhesive, filler (admixed with other materials), and a moisture-resistant barrier in hull and deck construction, sometimes applied in conjunction with reinforcing cloths such as fibreglass, kevlar or carbon fibre.

9. Fibre-reinforced plastic - Wikipedia

   en.wikipedia.org/wiki/Fibre-reinforced_plastic

   In the case of damaged reinforced concrete members, this would first require the repair of the member by removing loose debris and filling in cavities and cracks with mortar or epoxy resin. Once the member is repaired, strengthening can be achieved through wet, hand lay-up of fibre sheets impregnated with epoxy resin, applied to the cleaned and ...