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How to make fiberglass molds is a simple task but takes some days to be fulfilled. Your can produce a replica of some item that you require for the completion of your idea. You can also use that mold afterwards as well. It is convenient for you if you find the mold of your choice from the company which is specified for this cause of making fiberglass mold. You can make the fiberglass mold of your choice by following the simple steps mentioned below, illustrating how to make fiberglass molds.
In the first step of the process how to make fiberglass molds is to develop some plug. Plug is the foremost thing that is utilized to form a mold and generally made of wood, sheet metal, Formica, putty and plaster. In the first step of how to make fiberglass molds, you need to shape the plug into the correct dimensions so that your required mold can be acquired.
Get the plug prepared. If there are a lot of open pours in the plug like plaster, putty or wood, then you need to fill it with lacquer or resin. Buff the plug and then seal it with TR-311 and TR-301. If you utilize the plaster then it mush be dried in oven first before proceeding further. Then next step in the process of how to make fiberglass molds, you need to apply mold releases. After applying it, do wait for its being dried before proceeding further. You must have to apply at least five coats and buff it every time if you want successful how to make fiberglass molds process.
Next in the process of how to make fiberglass molds, you have to spray the PVA (polyvinyl alcohol) to plug three times and let it dry for minimum thirty minutes before further proceeding in your process of how to fiberglass. Cover plug using MEK peroxide material and apply the gelcoat using bristle roller over the plug so that the fiberglass surface can be made to proceed to next step of how to make fiberglass molds. Remember, the getcoat should be free from wax when you do how to fiberglass.

Next to complete the process of how to make fiberglass molds, you need to apply polyester resin using a roller in order to spread it. Before doing this step, make sure that there is no fiber or air bubbles at the surface. Let it dry for at least 24 hours before you add another layer coat on mold using resin. You need to apply minimum three layers in total to complete the process of how to fiberglass.
Remove fiberglass mold and it will become in your desired shape. This is highly recommended to dry the mold for some days if you want to have a durable replica and successful process of how to fiberglass. After final coat of resin, do wait for its being dried to complete the process of how to make fiberglass molds. Cut extra resin with blade and sand softly unless you see the streak between mold and plug. Utilize plastic wedge or stick in order to get the plug and mold separate. At last to complete the process of how to make fiberglass mold, sand mold with grit and use cleaner to achieve cleanest look, In this way you can do the task of how to make fiberglass molds.