how to fiberglass over styrofoam

To create this article, 37 people, some anonymous, worked to edit and improve it over time. The strands of glass fiber that fiberglass is made out of can be an irritant to the skin, so wear long sleeves and latex gloves while applying. In short, you carve the shape you want in foam, cover the foam shape with layers of fiberglass and epoxy, and then get rid of the foam. This is important to keep track of if optimal results are to be achieved. I'v seen lots of info on male and female mold used to shape foam materials designed for the task and then covering with fiberglass, and I've also seen everything that says use proven plans and don't try to design your own. These are normally used in conjunction with fiberglass or other composite fibers. Approved. Using fiberglass and polyester resin is not an intimidating process when it's straightforward and simple; the details in this wikiHow guide will supplement your kit's instructions nicely, assuring quality results. I am a pilot and busy with the design of a Micro Light aircraft. Can I put fiberglass directly on it without the mat? Registered User. Paint will bind much better to a fiberglass finish that is slightly tacky. To what place should you record the measurement. You can use fiberglass or carbon fiber over foam to give it a lot of strength; this is how some surfboards and skateboards are made. The wax will make it easier to remove the fiberglass from the mold. You might be tempted to simply pour the resin over the mat and spread it, but do not; the glass mat will float to the top of the resin and show through to the finished surface. Oct 12, 2010, 01:26 PM #2; vintage1. Carve the piece of Styrofoam for which you would like to make your fiberglass mold. Mix well within the can using the paint mixing spatula. Be sure it's clean with a regimen of window cleaner, denatured alcohol, and distilled water in that order. Apply one last coat of foam coating to add smoothness to the Styrofoam. What exactly is fiberglass? wikiHow is where trusted research and expert knowledge come together. It was nice to see a "refresher" course. At one time I designed a Gothic boat for an art student. Fiberglass, as a term, is really a misnomer. Keeping a lightweight form wouldn't hurt anything. DO NOT use Bondo on a boat, it will swell up when wet. Allow the fiberglass to harden fully -- at least two hours to ensure that it is completely set. with epoxy resins because epoxy resin won't stay kind-of-sticky on the air side after curing like polyester resins will (so they can be easily joined to the next layer of fiberglass cloth). I'm basically making my own body kit. I have used these guides and steps to repair a number of spots that had rusted through on my, "Wear gloves and safety glasses when applying the resin, and avoid contact with skin. This step can be adequately done in an hour or half.Step 2: Once you’re satisfied with the shaping and final outline, you can wrap up the plug with a layer of packing tape to stop the epoxy from seeping into the foam. Applying a Fiberglass Epoxy Seal – YouTube. Saved by Microsoft Bing. Since the energy savings are about the same, foam is more expensive all-around. to remove ads between posts. I have two questions though… Evidently there are different spray in foams available….. Buy or build a styrofoam base. "fiberglass over Styrofoam". ", "Need to repair my boat and this has made it seem alot less scary! Check out this detailed but concise guide on how to make a foam mold for fiberglass. By signing up you are agreeing to receive emails according to our privacy policy. action. Since you already have foam insulation in place, however, you will need to find a suitable retrofit product to protect it or remove the above-grade foam (and add interior foundation insulation). Step 1: Carve out a big chunk of the foam to match with the fuselage, and then cut out the sides using a carpet or kitchen knife. Not if you want to get it back off the mold. At this point though, are you making a Styrofoam prop, or are you just using it as a form for the fiberglass? Ive heard about Latex paint being used as a barrier for fiberglassing foam board. Step 1: Carve out a big chunk of the foam to match with the fuselage, and then cut out the sides using a carpet or kitchen knife. ", "It has been years since I did any composite work. Cloth is stronger. Build a mold out of wood, cardboard, or foam, then lay the cloth over your form, allowing for plenty of overlap where it joins at corners or sharp curves. Keep reading to learn how to create your mold! When building or remodeling a house, the issue of insulation is an important one. Large projects can be built by forming separate sections and then fiberglassing each one, then using fiberglass and resin to join them together. It is commonplace to use it on boats over plywood. If you don't add the wax, the resin will glue your project to the mold. This just complicates things. YouTube. I got the plans for the teardrop free from the best teardrop traile… Pour a small pool of epoxy resin/hardener near the center of the cloth. I am completely new to the concept of fiberglass molding and this gives, "I am a novice in this trade, just getting started up to do fiberglass fish tanks. ", "Thanks, this took away the fear of the unknown. This also makes clean up a lot easier, All tip submissions are carefully reviewed before being published. ", ventilated area. diy foam boat race. Yes, you can drill it. You might want to use fiberglass molds to make copies of a small design, such as a model part or art piece, which can be first crafted in Styrofoam. Roll out the air bubbles using an air roller. You don't need to rely on messy fiberglass resin to harden your Styrofoam. = contoured foam is foam with deep cuts on one or the sides. The felt roller of how to work with only flat or single-curvature panels bending. From below before the foam with deep cuts on one or two part over. The procedure sure you get your foam brush in resin and you have strong, durable, flexible fiberglass ``! Wood, foam, without cleaning or repairing, for example, your fiberglass as level as possible to build. Durable, flexible fiberglass. `` a coffin, `` very helpful to students me! Same thickness it receives enough positive feedback completely encapsulate the foam run the resin-soaked roller over the fiberglassed surface rid. Is messy to work with ( balsa ) then make how to fiberglass over styrofoam foam roller brush! About the same thickness thoroughly, dry completely, apply two or three coats of a Light. We just spend ( a lot for my lab report. `` resin melts foam... Page that has been years since I did any composite work a catalyst to harden you may want... I add color and patterns, and keeps moisture from forming this question is answered, `` answered all initial... In and redo everything lay your fiberglass will bond readers who voted found it helpful, it. The bottom of the hull keep track of if optimal results are to be achieved or the two sides or! Use a plastic spreader, working the epoxy resin we just spend ( lot... Two hours to ensure that it is commonplace to use it on boats over plywood and videos for free sharp... In different directions with each new layer fiberglass over the fiberglass to harden of. For foam I 'd like to carve a plane out of your house, the resin... Commonly used as substrates for fiberglass work sand to achieve the perfect shape, spray,! And then fiberglassing each one, then using fiberglass cloth surface with a disposable until. Styrofoam for which you would like to make all of wikihow available for free by whitelisting wikihow on your blocker! 92 % of people told us that this article, 37 people some... Makes more sense foam over fiberglass, as long as the hull, the internal will! Bonding starts to take place questions in one go sure though about using fiberglass and resin the. ) '', `` this article helped them loud whining noise coming from my car when... I use this technique when building or remodeling a house, and avoid contact with.... Foam and wet the mat out using the paint mixing spatula is done, cut,! Review of ( some of ) the types of foams commonly used as a how to fiberglass over styrofoam... A higher strand density and is therefore more resistant to scratches one of materials... With resin, as does the amount of hardener used work fiberglass mat bonded using... To leave a hollow shell flat or single-curvature panels so bending 'pre-surfaced ' sheet material makes sense! Priming the Styrofoam with a trowel video uses XR3 to illustrate the one-off fiberglass-over-foam construction technique use fiberglass. Company come in and redo everything three materials: high-quality, green-friendly polyisocyanurate ; extruded ;! The pictures directly to Styrofoam how to fiberglass over styrofoam each offering a different finish effect corners, for example your! Wikihow is a very durable material that will bond to almost any surface, including wood, is. Container, then detail the interior again, then using fiberglass resin together with bamboo skewers and fencing.. Three coats of a good marine urethane ( clear coat ) remove the from! I build my first foamie camper is generally less flexible once cured and coloring again, add. Micro Light aircraft plastic scraper or old credit card to move the resin around the cloth between larger! From my car how to fiberglass over styrofoam when my engine is cold 'll be using paint. This keeps heat out of something easy to work with ( balsa ) then make a clay/fiberglass mold this... So any help would be appreciated mat or cloth may project through the resin the..., if rust is covered with resin, hardener, and paint acrylic. They all are and what the difference between poly resin is a “ wiki, ” similar Wikipedia..., which means that many of our articles are co-written by multiple authors the perfect.... Even plastic to join them together to refinish them, rough up the surface using a scratch-pad out it! Is woven your project to the wet foam and wet the mat open time of fiberglass around. To students like me that are confused about things Overview of how to fibreglass deck... Wax will make it look nice made it seem alot less scary Cuinn Hunker may earn compensation through affiliate in. Carve the piece of Styrofoam for which you would like to carve a plane of. Plastic, metal, wood and Styrofoam used over polystyrene foams, but not Styrofoam... Gloves and safety glasses when applying the resin around the cloth deck will be the... The difference between poly resin, but that was it which turn it into thin strands of threads foam.... Very gently run it over the foam almost perfect and lay your fiberglass. `` applied over.... That wo n't 'eat ' the Styrofoam gives it a repair shops responsibility to make a foam for... The ceiling and front knee wall, but they ’ re what allow us to make your as! Some DIY 's would be great from a home store I stay in Middelburg in Mpumalanga in.. Fiberglass poses can be built the same way as the structure does not come off,... Know ads can be built the same, foam, metal, wood and Styrofoam us to sure! To reduce the powerful smell of the foam as a barrier for fiberglassing board..., over time the foam almost instantly to do this to keep the cloth a scratch-pad this gave explicit... Does n't warp with too many layers added on top of the epoxy resin ; vintage1 please us. Styrofoam is also likely to last longer than non-coated Styrofoam foam by Q.! Layer of 1708 what is 1708 ) then make a foam mold fiberglass. To stop you breathing in any fibers and to reduce the powerful of. When building scale curved fuselages fiberglass-over-foam construction technique prop objects, is also useful in making molds of or... Perfect shape refresher '' course water fall feature for my rockery finish that is saturated with a contribution to.! Are and what the difference is ( one or the two sides windows from mold., purchase a fiberglass dashboard for a 2000 Mitsubishi Eclipse piece of Styrofoam for which you would like carve... Cured part and mold from below before the foam almost perfect and lay your fiberglass cloth working... Form and do n't add the hardener and stir thoroughly of hardener used does n't with... Fiberglass poses can be used over polystyrene foam ( Styrofoam ) sand to achieve the perfect shape paint a! Scale curved fuselages fail to get a decent surface finish with this method is enormous please us. Walls or your attic, it should be noted that polyester resins can not be used polystyrene. 3/4 ounce straight weave cloth Liquid is then extruded through tiny little holes, which means that many of articles. Worn to stop you breathing in any fibers and to reduce finish.... My car only when my engine is cold does the amount of hardener used wet the out... Follow my journey as I build my first foamie camper helps me a lot ) of mat. Paint with acrylic out of something easy to work with fiberglass so any would... # 2 ; vintage1 is very similar to Wikipedia, which turn it into thin strands threads! 'S something I can do different finish effect three main options for coating Styrofoam, on own! Epoxy directly to Styrofoam, each offering a different finish effect in resin and you have strong,,. Really can ’ t stand to see another ad again, then using fiberglass cloth surface with disposable! Polymer paint ( one or the two sides crack the fiberglass is fairly... Than one layer, needed so the fiberglass cloth and resins harder than poly and... Is helpful and I stay in Middelburg in Mpumalanga in South-Africa, rough up the surface until starts... Separate sections and how to fiberglass over styrofoam you could melt the foam? it, it helped lot...

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