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The Exterior Gelcoats that recommend a wax additive is included with purchase at Bottom Paint Store. Wax Additive: Add up to 4 oz of Wax Additive per gallon 1 oz per quart for tack-free surface on the final coat, or if applying one coat a recommended film thickness.Gel Coat Additives: You should also determine which additives you will use with your gelcoat application. If you brush on the gel coat, make sure to use a solvent resistant brush. Be sure not to use foam rollers because they tend to leave the bubbles. When rolling on gelcoat be sure to use a 1/8 “or 1⁄4” solvent-resistant nap. ![]() #Rejex wait between coats plus#If you have Ultra Plus Brushable Gelcoat you must apply with brush and roller. #Rejex wait between coats professional#If you have Professional Grade Exterior Gelcoat you may either brush/roll or spray. Method of Application: Next, determine if you are going to brush, roll or spray your gelcoat so you can prepare the gelcoat for application. If this is going over a patch, at least 2 coats are recommended to get a uniform surface. If you change colors, it will require at least two gel coat coats. Dust and dirt particles are your enemy here, so make sure you clean the surface thoroughly.ĭetermine whether you need one or two gel coat coats. When the surface is clean, you want to get moving fairly quickly if the surface is sitting for some amount of time, you want to re-clean the surface. We encourage the use of Acetone, because it does not leave residue and evaporates easily. Preparing the Surface for Application: Next, you’re going to have to clean the surface. At this point, the repair is ready to prep and spray/brush with gelcoat. You should also feather the surrounding area of the gel coat repair with 220/330. Once the fill area is level or contoured to the desired shape, sand with 100 grit paper to remove the course scratches from 40 or 80 grit. When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. Also, they are used for the first sanding of gouges, dock dings, scratches, and blisters. The heavier fast-cut grits (40/80/100) are used to feather sand and ground out a routed area prior to filling. Start by sanding the surface with 150 grit or sandpaper. If you don’t see the blue dye again, you know you’ve sanded it all properly. Steel Blue is a dye you’re going to wipe on or you can use the blue dye spray. Our technicians suggest the use of Dyekum Steel Blue Dye to be really thorough. Sanding Existing Gel Coat: You want to sand the surface to make a mechanical bond to the gel coat. 3M and UV tapes, and masking papers are recommended. When working on the deck or cabin, tarp off the adjacent areas. Take steps to cover and protect the rest of the boat before starting. Remove seals from the edges of parts or fittings when doing a repair around that part or fitting. **NOTE** Duct tape is recommended over masking tape because it provides better protection. Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. ![]() Prepping the Surface: Remove rails, cleats, louvers, snaps, striping tape, etc. We offer pre-mixed colors of gelcoat, use this color chart as a guide for the available colors that we have. If the surface is painted then the paint should be removed before the gelcoat is applied. If the surface is already coated with gelcoat, or if the surface is a fiberglass or polyester resin, then the application of gelcoat is a snap. The application of gelcoat is pretty straightforward when you follow this guide.ĭetermine the Existing Surface: First thing you want to do is look at the surface on which you want gelcoat applied. The secret to a good finish is to apply the gel coat properly. #Rejex wait between coats how to#Below you will find a detailed gel coat preparation guide on how to apply gelcoat to your boat, RV, or other surfaces. ![]()
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