*** The information provided is a general guideline.  Each project is different.  Any information used will be done at the user’s risk. Fiberglass Warehouse can in no form be held responsible for outcome of using this information. *** Plug preparation To make a mold, a plug is needed. A plug...

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One of our awesome customers, Kevin, sent us these pictures of his latest fiberglass project. The project was the customization of a 2006 Chevy Corvette. Below is a brief summary of Kevin's construction method: 1. Drill many small holes in the body panel to be modified. 2. Shape the design...

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  It is very important to take the time to use a mold release on your mold or plug.  It will add several hours to a project but is well worth it.  A mold release, also known as a parting agent, is used to allow parts to be easily removed...

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Fillers are often added to resin to make a putty.  One filler can be added or several depending on what outcome is desired. Fillers can reduce or increase weight, improve sanding properties, prevent sag on vertical surfaces, fill gaps in fabric weave, improve bonding properties, add strength etc. It is...

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To make a durable composite laminate you need to have both a reinforcement (fiberglass cloth, fiberglass mat, carbon fiber, aramid, etc.) and a resin.  Resin holds the reinforcement together and helps it conform to the wanted shape.  Resin fills the fiberglass weave. Just like there are several reinforcement options there...

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We love our customers.  It is so fun to see what they are working on. Check out this great looking kayak Rawson Boat Inc. made.   It is the Tangent 12.0. Jeffrey Rawson is the designer and builder of these beautiful kayaks.  You can check out his website at http://www.rawsonboat.com/.  Save...

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Woven Roving Woven roving is a great option to use in boat building, especially when used with chopped strand mat. Woven roving is a heavy, coarse plain weave cloth. Bundles of roving are woven together loosely at 90 degrees. It comes in 18 and 24 oz weights. (We only sell...

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There are two types of gel coats- General Purpose (GP) Gel coat and Tooling Gel coat. General Purpose (GP) Gel coat is more flexible and softer than tooling gel coat. It is used where the end product will be submitted to constant vibration, such as boats and car bodies. It...

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MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. It is also needed with all gel coats. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Resins that have Duratec in their name require...

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There are two other common types of fibers used in composites.  One is carbon fiber, the other is aramid. Kelvar® is DuPont's brand name for aramid. Carbon Fiber Carbon fiber is known for its strength, being light weight and for its good looks.  It is commonly used in the automobile,...

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Vinyl Ester Resin Vinyl ester resins and polyester resins are very close in molecular composition.  The molecular chain is longer in Vinyl ester resin.  This helps it absorb impact better than polyester and it shrinks less.  There is also less chance of de-lamination when using VE resin.  Vinyl ester can...

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Do you have a project in mind but have no idea where to start?  Let us help you.  One of the first things you will want to do is decide what kind of fiberglass you want to use.  Do you need to build up thickness fast?  Are you concerned about...

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