If you are applying gel over another finish you need to clean the surface well with a mixture of one-half water and one-half … 99 ($2.83/Ounce) $2.00 coupon applied at checkout Save $2.00 with coupon. Each of these coats of gelcoat may involve several passes. Application. Gelcoat needs to be applied evenly. The three active ingredients in a MEKP-based catalyst are: Each component helps the curing of unsaturated polyesters. At this point, the repair is ready to prep and spray/brush with gel coat. Here comes the final and most exciting part of the manicure: painting your nails with gel polish. Take steps to cover and protect the rest of the boat before starting. Better yet, how’z about a video targeting severely scratched gel coat (cause there’s more than one in mine, like 10 or twelve worth fixing). You may either roll the gelcoat on, like paint, or spray it on, to apply the gelcoat. epoxy resin max gpe white white gel coat application a roller coat technique demonstration max gpe white a/b www.theepoxyexperts.com call 877 403 8008 The secret to a good finish is to apply gel coat properly. What Should be Applied to a Baptismal Pool, Water Fountain or Small Pond? $32.99 $ 32. When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. 6. 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. Start by sanding the surface with 150 grit or sandpaper. Refer to the catalyst chart located on the product page for the gelcoat you are using or follow the label guidelines. Resin and gel-coat manufacturers are constantly trying to keep up with these demands, and several have brought out low emission products that promise to reduce emission levels without compromising on surface quality. Once you mix and catalyze, you have about 15 minutes to apply the gelcoat before it starts getting hard or starts to “gel.” The actual working time depends on the amount of catalyst and how hot the working conditions are. As soon as you are done spraying, clean your sprayer fully with acetone. Gel coat will not fully cure without adding a surfacing agent or over spraying with PVA; Check color thoroughly before applying. You could also use clear coat in a spray can, but a gun will give you a smoother, more professional finish. Catalyst levels are important to the curing of the gel coat and dependent upon shop conditions. Remove seals from the edges of parts or fittings when doing a repair around that part or fitting. Proper catalyst selection is vital. Paint on a thin base coat of primer gel from your cuticle to the free edge. It depends on a number of parts that get rejected and the work required to fix them. Brush the gelcoat onto the fiberglass using short vertical strokes. Too thin a coating can result in undercure of the gel coat. Gel coat is typically a thicker material and is catalyzed so that it will harden. Gel coats will also not entrap air when applied according to instructions. If you change colors, it will require at least two gel coat coats.If this is going over a patch, at least 2 coats are recommended to get a uniform surface. Generally mix one-pint batches. Gelcoats are based on a thermoset resin that requires an initiator and proper temperatures to cure thoroughly. Thin gel coat to your preferred viscosity using #70 Styrene Thinner or #1039 Duratec Clear Hi-Gloss Gel Coat Additive. It is easy to use for the “do it your selfers’! Gelcoats are modified resins which are applied to moulds in the liquid state. If using wood mixing stick, place stick in resin before adding, Only catalyze slightly more than needed.