10
Dec
Place masking tape along the water line to avoid scratching any area not to be wet sanded. A very basic straightforward way to remove embedded stains in your boat hull or top cap.
John John was sanding but after the sanding he dove right back in helping to remove the sanding.
How to wet sand a boat. We believe you should be hand sanding edges if you do not have an interface pad or if the gel coat is getting thin. To get the best results we recommend machine sanding with a 6 inch 8mm orbital polishersander with an interface pad. Set the machine on no higher than two to reduce the possibility of pigtails.
Learn How to Wetsand your Boat. A very basic straightforward way to remove embedded stains in your boat hull or top cap. Place boat upside down with full access to wet sanded area.
Avoid slings if possible as they will block your flow Place masking tape along the water line to avoid scratching any area not to be wet sanded. Take a bottle of water great if you have a hose spray the bottom of the hull and wipe entire boat. Wet Sanding 101.
Place boat upside down with full access to wet sanded area. Place masking tape along the water line to avoid scratching any area not to be wet sanded. Take a bottle of water great if you have a hose spray the bottom of the hull and wipe entire boat with towel.
If you do want to wet sand it 1200 grit will get you to where light compound does. Start with 600 400 is too course 800 might not take you down quick enough. Use a sanding sponge and lots of slightly soapy water rinsing your paper out often.
3M is about the best you can get at a reasonable cost they make great products. Wet sanding can transform your boat from a dull worn-down appearance to a like-new shine that looks and functions exactly the way you want it to. Now you may be wondering when to wet sand.
Youll know it is time for some TLC when your boat starts looking dull or sporting chalky streaks a few tell-tale signs of oxidation. How to wetsand cut and buff a gel-coat boat. Its 500 Oclock and were ready to get started.
Heres Antti machine damp sanding the hull of this Shearwater to quickly remove 6 years of oxidation staining and water spots. Heres John sanding down the other side. Wash the boat remove any tar bugs etc stuck on the glass.
2nd step is to wet sand by hand with plenty of water put a few drops of dishwashing liquid in the sanding water to make the paper slide easier dunk the paper often to clean the sanded material off the paper. LowkeeLT demonstrates how to patch a hole in a fiberglass boat hull. First grind around the edge of the hole to make it smooth.
Make an angle that goes towards the hull so that the resin wont get caught and create air pockets. Attach kitchen wax paper to the boat as a non-stmore. If you decide to go the wet sanding route be sure to use plenty of water and only use your hands and elbow grease.
After the wet sand use a high speed buffer with a wool bonnet with the finer compounds. The new paint should be very lightly wet sanded with 240 to take off the orange peel and any roller marks followed by maybe a second light pass with 320. And I stop there.
You could burnish or go to 400 or even 600 wet or dry but tha depends on the result you want. He starts a project by washing down the boat with a dish detergent like Dawn to remove any oil and scum. For tougher stains he uses On Off Hull Bottom Cleaner.
Once the boat is dry he removes any deck hardware that isnt through-boltedincluding cover snapsand tapes off the windshield edges. Fear of Wet Sanding. The oxidation on my boat has gotten pretty bad and to make it worse its a black boat.
I got some 3m rubbing compound and 800 grit 1000 grit and 1500 grit sandpaper. Started with the 800. After sanding i rubbed the compound in until the swirls were gone.
Gel Coat is used so that boat manufacturers dont have to wet sand little known fact. Ask your bud to let you look at some boats hes wet sanded. Pretty much what Backlasher said.
Some polishing compound and a buffer. If this is basically a one time job you can get a cheap buffer at Pep Boys or such in the 3000 range. Make sure to get plenty.
Start with 600- to 800-grit wet-dry sandpaper. Pros we talked with prefer Sunmight 3M and Mirkasandpapers. They dont load up as quickly and last longer.
While you can wet-sand by hand using a rubber block we suggest using a pneumatic or electric dual-action DA orbital sander to make the job faster. If you are wanting to remove the Bad Paint Job so you can have it re-Painted you dont have to Wet sand it. YOU can sand it down with a RO sander and 80 grit to get the old paint off then fill in any gougesscratches with a premium marine fiberglass filler Sand with 150 grit Prime and Paint.
SOP for any DIYer or Boat Shop. Heres my buddy Jay youll be seeing his 1971 Chevelle coming up soon for another wet sanding project. Gerald Jay brought his buddy Gerald to help out this is Geralds first time buffing out a boat.
John John was sanding but after the sanding he dove right back in helping to remove the sanding.