Boat Builder Central

Is the bottom paint epoxy/graphite?

Build looks great!!!

You can use carbon and pretty much anything will bond to it. Creative use of 4 or 6 oz fiberglass can shield any electrical current and is transparent if done correctly. You’d also want to use fiberglass between any metal it comes in contact with to prevent corrosion. All easy stuff. Here’s a 1” hol...

I keep reading use veil fiberglass? The reason veil is used in mold/plug building is to prevent larger cloths from transferring a pattern over to the final product. If you look close you can see a chopped strand mat pattern on some boats gel coat. It’s likely their initial layer used something like...

Look into “lost foam”. I’ve made many temporary molds using insulation foam board (pink or blue works well and shapes/sands well) from the hardware story. Coat your final shape with tinted epoxy. After it’s B staged apply several layers of epoxy/glass. When everything has cured you melt the foam awa...

I'm new to the site, as well as new to using epoxy vs traditional polyester resin and I'm a little confused by the differences in the epoxy brands. It appears that the marinepoxy brand is the cheapest, is there any real difference between that and the west system brand epoxy ? I'm planning to build...

A few things I always do to save resin is either weigh the cloth and mix an equal amount of resin. Or if I’m using cloth with easy math. Like a 1/2 Yard or 1 Yard then just look at the OZ rating of the cloth. An example would be 1 Yard of 8.8 oz E glass. That means for one Yard you’ll need 8.8 ounce...

I did some calcs. Core 3.55 Glass 5.2 Net 11.35 Resin would be 2.6 Resin % of glass 50% Am I a bit high or is this okay. I had saturated breather, so could pull more with more breather media. Thanks. Easy way to hit a 50/50 resin to weight ratio is to match the weight of the dry cloth with equal we...