12
Oct
Apply duct tape instead of masking tape if necessary it bonds better and gives a better seal. In todays episode we are painting the deck of the boat.
Do need air movement down in lower keel area was slower didnt have movement of air like should have.
How to spray gelcoat on a boat. Remove all attachments. Cleats seals and cords. Apply duct tape instead of masking tape if necessary it bonds better and gives a better seal.
Duct tape around portholes and everything in contact with the gelcoat you do not like. We should get on with the preparation of the surface to be gel coated now. The easiest way to clean a boat is to spray it down with water than use a boat cleaning solution on the base of the boat making sure you get everything off.
If you have used a gelcoat coating in the past you will need to remove it completely with an acetone solution. Step 2 - Apply the Gelcoat. How to spray gelcoat on a boat.
The easiest way to clean a boat is to spray it down with water than use a boat cleaning solution on the base of the boat making sure you get everything off. Clean with soap and water and wipe with a rag damp with acetone to remove old wax oil or grease. Step 2 - Apply the Gelcoat.
Refrigerating the gelcoat can help slow this down but makes it harder to spray. Mix everything else first and dont catalyze until just before you shoot and you should be ok. I tear the gun completely apart after spraying and flush with acetone.
Use of this type of sprayer will require thinning the gelcoat to get proper atomization. These units are typically less expensive and can be viewed as semi-disposable. If the gelcoat happens to set up in the gun before cleaning they can be replaced for 15-20.
These cheap units will NOT provide a good finish with paints. Pour a small amount of polish onto a soft cloth. Most boat supply stores carry gelcoat polish.
The label on the polish you choose should tell you exactly how much to use. In todays episode we are painting the deck of the boat. 522011 Hold the spray gun about 1 foot 030 m away from the fiberglass and spray the gelcoat onto it in short even strokes.
11262007 Simply rub away the oxidation until the gelcoat shines and then apply the Premium Boat. But what I want to do is sand this down again spray this so it matches the surrounding gelcoat and its far easier to do that with a disposable sprayer than trying to do it with a brush. So the first step is to use good boat soap and some water to wash.
We sprayed first coat at about 15 then sanded for final worked good below deck in fish box etc. Weve had more issues drying to fast never not drying. Do need air movement down in lower keel area was slower didnt have movement of air like should have.
Because of the lowered viscosity watch out for sags and runs. Allow 2 or 3 minutes between overcoats to get your 10 mils. Spray about 5 mils over a given area and re-coat that area in 2 - 3 minutes.
Let the final application fully cure before sanding. Spraying Gelcoat Well Id recommend you read up on the whole process for a number of reasons. However to answer your questions directly.
You need a different gun to spray gelcoat for the most part. Gelcoat is thicker than any paint youve ever used. You can buy a gelcoat dump gun that is basic but works well for about 150.
To use a gelcoat spray gun fill the plastic container on the gun with your gelcoat. Then attach the cord on the gun to an air supply source like an air compressor. Hold the spray gun about 1 foot 030 m away from the fiberglass and spray the gelcoat.
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. Check color thoroughly before applying. Gelcoat will not darken or change colors when it dries.
The color wet is the color when dry. Store gel coat in a cool dry place. 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. Making Boat GelCoat Look Good.
A Boat Repair Guide To Painting Over Gel Coat aka Gelcoat Paint is an essential part of boat repair enhancing the overall look and helping seal the hull. Painting over the gel coat is good because the gelcoat acts as an adhesive for the paint to stay on the place. Gelcoat on Gelcoat shouldnt be a problem no matter what colour.
As they say its all in the preparation right. It comes down to how good a spray painter you are and how good the prepIf your crap maybe go for the gelcoat therefore if you get runs and imperfections you can easily sand them and buff them out. Spray 2 coats of red and the a third with the flake in it or if you want a dense galaxy one coat of solid red and 2 with flake.
You can use duratec to thin the resin and use pva to cure the top coats. At this point you wil have both colors and flake at equal mill thickness. Preval sprayers let you spray gelcoat without the need buy a compressor and professional paint equipment.
If your scratches are big enough to require spraying on gelcoat but you dont have a compressor with a water separator and a paint gun you can still make the repairs in your driveway.