Fiberglass will bond to almost any surface, including wood, foam, metal and even plastic. You want to do this to keep the cloth down against the surface until bonding starts to take place. ", "Yes, it did help. I have no idea what they all are and what the difference is. To refinish them, rough up the surface using a scratch-pad. Apart from these controllable issues, fiberglass is safe to work with. 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. Fiberglass, as a term, is really a misnomer. You can also use foam, clay, wood... Just be sure you know how it will release. If you fail to get good coverage in corners, for example, your fiberglass will eventually develop weaknesses in those corners. After installing Styrofoam, you must use some cement or mortar to cover it up and harden the surface. Approved. But if you try to spray foam over fiberglass, over time the foam will not stick to the fiberglass. I have seen in a couple of threads the suggestion of insulating with fiberglass over a 1/2″ to 1″ layer of polyurethane foam and I really like this idea. Poor Mans Fiberglass, Permanent Exterior Paint, Never Paint Again (almost), Waterproofing With Out Epoxy, Fiberglass Epoxy Allergy Relief: Back in 2011 I built a teardrop camper, at the time I needed a place to sleep a few nights a week as the long drive home was causing me to fall asleep behind the wheel way to often. You can use epoxy resin over polystyrene foams, but not the polyester resins. Answered questions I didn't know I had. If you want a highly reinforced structure, especially if you use a cheaper and "softer" polystyrene insulation, use some fiberglass mesh on the surface and apply a coat of mortar on the mesh. Yes, place the container with fiberglass in a larger container with ice water but be careful to ensure that the job is properly planned out. ", for building my confidence to try this process on my own. Thank you. Step 6 . Made a fiberglass dashboard for a 2000 Mitsubishi Eclipse. Allow the fiberglass to harden fully -- at least two hours to ensure that it is completely set. Wonder if EPP can be molded the same way? Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Keeping a lightweight form wouldn't hurt anything. Buy or build a styrofoam base. Join Yahoo Answers and get 100 points today. Some important tasks come before the actual blowing. ", "This helps me a lot for my lab report. The photos above show the bottom of the completed wing. Add a bit of resin and you have strong, durable, flexible fiberglass. This is important to keep track of if optimal results are to be achieved. May 14, 2020 - An Overview of How to Work with Fiberglass Over Foam by Robert Q. Riley The automotive application of FRP/foam composite was pioneered in the 1970’s by the author’s former design firm, Quincy-Lynn Enterprises, Inc. We used polyester resin and glass cloth laminations over a core of rigid urethane foam boardstock (fib… Fiberglass consists of fiberglass mat that is saturated with a fiberglass resin. Pour a small pool of epoxy resin/hardener near the center of the cloth. Be sure it's clean with a regimen of window cleaner, denatured alcohol, and distilled water in that order. By using our site, you agree to our. wikiHow marks an article as reader-approved once it receives enough positive feedback. How do I add color and patterns, and can I drill holes into it? You don't need to rely on messy fiberglass resin to harden your Styrofoam. Use release agents pre-application. I'm interested in a fiberglass build but am noticing that all the plans I've looked at are a plywood structural core with a fiberglass skin as apposed to a foam core with figerglass sandwich layers which is the type of boat I would actually like to build. Will I be able to repair my leaking roof on my own? Which is best for filling voids in wood? Add resin until the entire surface of mat is the color of the resin. small piece of contoured foam. Over the years with time and sun, the fiberglass strands have worked their way to the surface and now cut and irritate the oarsman. We just spend (a lot) of money to have a company come in and redo everything. Work in a well-ventilated area. If you are completely encasing it, it should be stronger. The wax will make it easier to remove the fiberglass from the mold. Cloth is stronger. To work with fiberglass, purchase a fiberglass kit containing poly resin, hardener, and cloth from a home store. Temperature affects the speed of hardening of the polyester resin, as does the amount of hardener used. ", ventilated area. to remove ads … Oct 12, 2010, 01:26 PM #2; vintage1. Sand it smooth, clean it off, spray white, draw your patterns, and paint with acrylic. Fiberglass Insulation Board Panels 1-16 of over 2,000 results for "Fiberglass panels" TroyStudio Acoustic Panel – Sound Absorber – Fiber Glass – Multiple Colors & Sizes – 400 X 300 X 28 mm (Pack of 2) (Black) 4.1 out of 5 stars 55 fiberglass batts are the cheapest, easiest way to … This article has been viewed 992,507 times. ", "Always helpful. Spread the coating over the Styrofoam with a trowel. As long as you are using a non solvent paint it should be fine to paint right over the foam to seal it and color it. Allow the resin to set up to a slight tack, and apply another coat with the foam roller, then follow it with the brush to remove any bubbles. Polyester (fiberglass) resin produces significant heat when catalyzed, especially if too much hardener is used. I'm basically making my own body kit. Thanks to all authors for creating a page that has been read 992,507 times. Use PVA glue (polyvinyl acetate) or Liquid Nails ® together with bamboo skewers and fencing wire. After completion of the hull, the internal components will be added. ", "This article helped me with making things with fiberglass. 3: The fiberglass has cured over the Styrofoam mold before it is trimmed and sanded. I'll be using the foam as a form and don't see any reason to release it from the finished fiberglass. DO NOT use Bondo on a boat, it will swell up when wet. You will probably need only 1 layer over all with another layer of lighter glass in high stress areas, if you use a heavy fiberglass cloth. It is messy to work with and does not come off anything, easily! wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Be sure you get your foam almost perfect and lay your fiberglass as level as possible to reduce finish work. diy foam boat race. ", "I am building a small boat, and your instructions about how to use the fiberglass material helped. "Chopped mat" can be used if you have access to a "chop gun", and you can build up the fiberglass as thick as you want it in one application. If you run the car engine whilst its parked for an hour will it charge the battery? ... Do not use a foam brush; ... and work it into the cloth over and over until the brush or putty knife starts to drag. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Tin foil is commonly used also. 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. question 1.CSM stand for..... 2.The tabbing is done with one 6-8 inch layer of 1708 What is 1708? Polyester (fiberglass) resin produces significant heat when catalyzed, especially if too much hardened. Fortunately you can still use fiberglass for a lot of items without having to use epoxy resin. :)", "I gained more knowledge about fiberglass.". The dangers that fiberglass poses can be easily controlled. Thank you so much! Let the first layer of the mat harden. But, after reading your website guidance I successfully utilized fiberglass for transom replacement. Those familiar with our plywood epoxy (stitch and glue composite) method will recognize the procedure. After a minute he had a nice styrofoam character or whatever it was. Are you using the foam as a form? I'm basically making my own body kit. Curve any corners if you are able, as it is difficult to work fiberglass mat around sharp corners. This technique can be used for just about anything that fits onto a table. Ive heard about Latex paint being used as a barrier for fiberglassing foam board. 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. A graduated cylinder is calibrated to 1 mL. Jun 16, 2017 - An Overview of How to Work with Fiberglass Over Foam by Robert Q. Riley The automotive application of FRP/foam composite was pioneered in the 1970’s by the author’s former design firm, Quincy-Lynn Enterprises, Inc. We used polyester resin and glass cloth laminations over a core of rigid urethane foam boardstock (fib… The first step is building your mold, and then you can move onto preparing your fiberglass cloth and working with the hardener. Do this project in a very well ventilated area. Saved by Microsoft Bing. Is this a bad idea? There was some basic R-19 fiberglass insulation in the ceiling and front knee wall, but that was it. ", "Good wiki. You don't need to rely on messy fiberglass resin to harden your Styrofoam. Rough cut the sides with the knife to complete the shape and sand to achieve the perfect shape. The fiberglass on the left is 3/4 ounce straight weave cloth. What is Fiberglass. As a way of increasing the amount of work to build a teardrop body, maybe 10 times, fiberglass over foam is an excellent choice. But yes, if rust is covered with resin, allowed to dry and then fiberglass laid, it will bond. 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. This article received 30 testimonials and 92% of readers who voted found it helpful, earning it our reader-approved status. Spread the resin mixture over the cloth with a … 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. Or should I just add some carbion fiber rods, gorla gule, and make it look nice? 2003 Ford F150 4.6L: Leaking Plugs Question? To ensure an even impregnation of resin to the cloth, try sandwiching the cloth between two larger sheets of clear plastic sheeting. Avoid working from the center out. Buy or build a styrofoam base. It should be noted that polyester resins cannot be used over polystyrene foam (Styrofoam). I've seen me in, "Excellent article. Fiberglass Over Foam Boat. https://www.youtube.com/playlist?list=PLuMPs5qUmnoTlBkwedPTYQXe98uv4rsCT If you enjoy … Do this project in a very well, "Have always worked with epoxy because charter boats receive much more wear and tear than the typical Weekend, "This article provided a great overview of the process, along with simple diagrams to illustrate the steps. To create this article, 37 people, some anonymous, worked to edit and improve it over time. Mar 31, 2020 - An Overview of How to Work with Fiberglass Over Foam by Robert Q. Riley The automotive application of FRP/foam composite was pioneered in the 1970’s by the author’s former design firm, Quincy-Lynn Enterprises, Inc. We used polyester resin and glass cloth laminations over a core of rigid urethane foam boardstock (fib… A review of (some of) the types of foams commonly used as substrates for fiberglass work. The "00" Silkspan is standard hobby shop Silkspan. Priming the Styrofoam Step 1 Spread out the drop cloths on a clean workspace in a warm, well-ventilated area. Hello There Fiberglass Man! Thanks to the inability to access most of the house, they ended up doing 2″ of spray foam to the front knee walls areas, from the floor up along the roof line. I’d like to improve this insulation by using leftover 4×8 sheets of faced 1 inch polyiso rigd foam boards from another insulation project. Most teardrop shapes contain only flat or single-curvature panels so bending 'pre-surfaced' sheet material makes more sense. These are normally used in conjunction with fiberglass or other composite fibers. Thanks Mike Sign up now. It shows clearly the "grain" of the Silkspan. to remove ads between posts. Most of the materials used to protect the foam eventually get damaged by lawn mowers, baseballs, or just normal wear and tear at the ground level. Still have questions? Paint will bind much better to a fiberglass finish that is slightly tacky. Revised September 2014. Hopefully I won't screw this up. Loud whining noise coming from my car only when my engine is cold. Run the resin-soaked roller over the fiberglass mat, soaking it thoroughly but not so much that the resin builds up and runs. This also makes clean up a lot easier, All tip submissions are carefully reviewed before being published. This keeps heat out of your house, and keeps moisture from forming. Simply use a two-part liquid polyurethane hard-coat system. Can this stuff be used to mold your own parts and if anyone is familiar with it do you know where I can get it (and some more instructions)? Thanks. At one time I designed a Gothic boat for an art student. 'Buckle up,' ex-DHS chief warns after Capitol attack, Pelosi: House 'will proceed' to impeachment of Trump, Pro trainer banned for giving horse a racist name, Kamala Harris's new Vogue cover shoot is causing a stir, Coach K on 'insurrection': 'They need to be prosecuted', John Reilly, 'General Hospital' alum, dies at 84, Employers fire workers identified as Capitol rioters, Police: Man shoots 7 in series of Chicago-area attacks, Star golfer apologizes after muttering antigay slur, Couple who won $1M lotto gave $1K to grocery workers, Lawmakers who objected to Biden win face backlash. Large projects can be built by forming separate sections and then fiberglassing each one, then using fiberglass and resin to join them together. At least it gave a little knowledge of what I am looking for. Thank you. Basically it was a coffin, "Moby Dick" ring a bell? 55 seconds. Buy a large block of sculpting foam (from a craft shop) or, alternatively, build up the base using pieces of recycled styrofoam that you glue and pin together as described below. Include your email address to get a message when this question is answered. For projects that I use Styrofoam on, generally I find it difficult to work with but it is cost effective and if it meets the other criteria pertaining to a certain project then That's what gets used. Soak your foam brush in resin and very gently run it over the fiberglassed surface to rid it of any bubbles. More on gluing styrofoam . We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. To what place should you record the measurement. % of people told us that this article helped them. Styrofoam Vs. Fiberglass Insulation By Daisy Cuinn Hunker may earn compensation through affiliate links in this story. Oh yes, half the lid opened to create a cockpit. Priming the Styrofoam Step 1 Spread out the drop cloths on a clean workspace in a warm, well-ventilated area. It was nice to see a "refresher" course. Yes,you can fiberglass over bondo,rough the bondo up with 80 grit for a better bond,use a grooved roller to remove the air bubbles. Mix well within the can using the paint mixing spatula. ", "Thanks, it helped a lot on the steps to use fiberglass cloth and resins. I am a pilot and busy with the design of a Micro Light aircraft. 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. ", Warrior Boats. I used waterproofing tape applied from the inside where possible to help build a surface for large holes. Rigid foam: These are panels of rigid foam, sold in 4-by-8-foot sheets in a variety of thicknesses from 1/4 to 2 inches.It is also sold in large bundled panels, joined at the ends accordion-style for use as an exterior sheathing material. Fiberglass is a less complicated job for do-it-yourselfers, making it potentially even less costly. In this video series we will show you how to make a plug for a fiberglass mold. Replacing timing belt based on mileage or age? ", "Answered all my initial questions in one go. I'm planning on making a platform to sit my electric cooler on the tongue of my pop-up camper and thought I'd use the cooler itself as the mold. Keep reading to learn how to create your mold! As you spread the resin over the fiberglass mat, make sure to apply it over corners and weak spots with the same coverage that you would over flat, easy-to-reach surfaces. When fiberglassing is done, cut hatches, doors, and windows from the body, then detail the interior. 2006. Epoxy resins do … Registered User. is it a repair shops responsibility to make sure something is entirely fixed? I wanted to consolidate the scraps of knowledge I’ve gained over the years on gluing styrofoam and the range of options for finishing or reinforcing the surface. I have a plaster/cloth mold which is used to cast body parts. Fiberglass is the least expensive type of insulation on the market, costing about half as much as foam insulation per square foot installed in most cases. ", course on strand orientation. I’d like to seal the outlets and then use a double layer of 1 inch 4×8 sheets over the entire 600 sq feet of walls with the reflective surface facing … ", "i will know more when I'm doing my project, but sure helps a lot to have the basics, thanks. You need to use a resin that won't 'eat' the styrofoam. ", "Need to repair my boat and this has made it seem alot less scary! I only know how to work with fiberglass so any help would be appreciated. Applying a Fiberglass Epoxy Seal – YouTube. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. For foam I'd be tempted to apply a layer of fiberglass first for strength then bondo over that. 172. I'm not too sure though about using fiberglass cloth (more than one layer, anyway?) What is the difference between poly resin and epoxy resin? Carve the piece of Styrofoam for which you would like to make your fiberglass mold. you can use foil or a special release wax to create a barrier. Measure your resin into a metal container, then add the hardener and stir thoroughly. ?, i have heard of people coating the foam first with latex paint, or a water based polycrylic, (but i haven't had much success with either of them). Then clean thoroughly, dry completely, apply two or three coats of a good marine urethane(clear coat). Fiberglass starts off as a liquid. Handles down the sides of course. Very straightforward tutorial. And links to some DIY's would be great. Properly wet out fabric is … Shave and finish the outside of the Styrofoam object so that it is as smooth as possible, then coat the Styrofoam in a clear sealer and let it dry. Let dry and you are back in business. 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. Since the energy savings are about the same, foam is more expensive all-around. Poly resin is very similar to epoxy resin, but is generally less flexible once cured. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/63\/Fiberglass-Step-1-Version-2.jpg\/v4-460px-Fiberglass-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/6\/63\/Fiberglass-Step-1-Version-2.jpg\/aid204408-v4-728px-Fiberglass-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"