22
Dec
Andy Miller is continuing to use his time quarantined in his shop providing extra springtime launch tips for boaters who might also be putting this time to good use. If available you can use a spray gelcoat.
It started to set up on the boat and in the cup after 15 minutes.
How to apply gelcoat with a roller. Dip the paint roller in the gelcoat and roll it back and forth on the ridges in the paint pan to remove any excess gelcoat. Apply a thin layer to the surface because thick layers tend to run. Let the gelcoat cure for the amount of time recommended by the manufacturer.
When brushing always use a natural bristle brush that can tolerate the gelcoat while also choosing one that has tapered bristles that are not too stiff. When rolling always use a 18 or 14 solvent-safe roller cover that can tolerate the solvents of the gelcoat as well as one that will not leave lint or hairs in the gelcoat. In this the 20th episode of Building the explorer we will be rolling and some Tipping the final Top Coat Waxed Coat of Gelcoat on the fiberglass of the boa.
For applying your gelcoat you can either roll the gelcoat on like paint or you can spray it on. We also sell a Brushable Gelcoat that can be applied with a brush. If you decide to roll on the gelcoat be sure to use a solvent-resistant 18 or ¼ nap.
Be sure not to use foam rollers as they tend to leave bubbles. You can use a roller with the gelcoat it sounds like you got into a hurry the real trick is to spray the gelcoat with pva right after you finish applying the gelcoat you also need to prep the area with sandpaper then clean it several times with the asetone. Gelcoat should be applied in temperatures of 60ºF to 80ºF.
Always use eye and hand protection. Gelcoat should not be applied over paint wood metal or concrete. It usually will not adhere to these surfaces.
Gelcoat will not fully cure without adding a surfacing agent or wax additive sanding aid. You can over-spray with PVA before gel coal reaches its gel stage 5-10. The surface MUST be flat and smooth before the gelcoat goes on.
Roll it on at least 2 coats 3 leaves more room for sanding. Then get ready to sand sand sand. Id start with 80 grit on a dual action sander to knock down the high spots.
Keep your pad FLAT. Experience with rolling paint and quick setup time once harder is added drove me to choose a brush. I was worried about the amount of product the roller would absorb combined with curing quicker then I could full apply one coat.
I choose to use a brush mixing and applying gelcoat in 4. This video describes how to use TotalBoat Gel Coat from Jamestown Distributors. Thanks for watchingPRODUCT BREAKDOWN-Quarts and Gallon size-Available in Wh.
Apply the gelcoat using a brush if youre covering a small area. To apply the gelcoat with a brush dip the brush in the gelcoat so theres a liberal amount of gelcoat on it. For applying your gelcoat you can either roll the gelcoat on like paint or you can spray it on.
We also sell a Brushable Gelcoat that can be applied with a brush. If you decide to roll on the gelcoat be sure to use a solvent-resistant 18 or ¼ nap. Be sure not to use foam rollers as they tend to leave bubbles.
It didnt go smoothly. I warmed the garage up to 75 degrees and waited for several hours before mixing up 4 oz of RAL9001 gelcoat with the recommended 2 MEKP. I brushed on as many coats as I could waiting 3-5 minutes between brush coats.
It started to set up on the boat and in the cup after 15 minutes. Make small batches of gelcoat at a time and catalyze at 1 ½ to avoid the material from getting hotter. When spraying the gelcoat make sure you catalyze at 2.
If you choose to use Duratec please note the product must be cool as well. If you seek to roll on the gelcoat the product should be applied evenly at 14 mil thick. Dip the paint roller in the gelcoat and roll it back and forth on the ridges in the paint pan to remove any excess gelcoat.
Apply a thin layer to the surface because thick layers tend to run. Let the gelcoat cure for the amount of time recommended by the manufacturer. Step 2 - Apply the Gelcoat.
Making sure that your gelcoat is applied evenly on the paintbrush go over the base of the boat beginning on one side and working your way over. Make sure that you give your boat a thick layer as a thin layer may not give a complete seal. If available you can use a spray gelcoat.
Apply Primer and Gelcoat Roll out two complete coats of primer allowing time to fully tack up or flash between coats. After second coat of primer has dried completely roll out a first coat of the Gelcoat. Apply the gelcoat using a brush if youre covering a small area.
To apply the gelcoat with a brush dip the brush in the gelcoat so theres a liberal amount of gelcoat on it. Brush the gelcoat onto the fiberglass using short vertical strokes. Avoid spreading the gelcoat too thin or.
The first thing you will need to do before applying gelcoat on your boat is to make sure your boat is completely cleaned. Step 2 - Apply the Gelcoat. Step 3 - Sand Down the Gelcoat.
Step 4 - Allow the Layer to Dry. Will gelcoat stick to gelcoat. The answer is surprisingly simple - gelcoat does bond to a properly cured and prepared epoxy surface.
Pictured below is an example of a cup gun. These types of units are an industry standard for higher volume application needs. This particular unit is the ES-100 I believe the newer model is the ES-120.
Advantages of this type of gun are. The gelcoat can be. Andy Miller is continuing to use his time quarantined in his shop providing extra springtime launch tips for boaters who might also be putting this time to good use.
Today he gives some advice on how to add non-skid to your gelcoatHe experiments with a few different ways that non-skid additives can be used with thickened gelcoat and even without adding any.