Sand the fiberglass using a coarse-grit sandpaper. For the first sanding pass, use either 80 or 100-grit sandpaper. Mount the sandpaper to a long sanding board for large, flat components. For smaller areas or areas with intricate curves, a rubber sanding …
Scrape paint off the fiberglass tub carefully with a plastic scraper. Try Dirtex in a spray can to remove latex paint from a fiberglass tub. Make a paste of baking soda and water. Rub the spot of paint with a dampened Mr. Scrub the paint spot with a non-abrasive powdered cleaner like Bon Ami.
Step 5 – Finish. Finally, clean the fiberglass using a soft cloth and acetone. Make sure you are in a well ventilated area when you use the acetone to avoid being overwhelmed by the fumes. Now the fiberglass is ready to be painted again or …
Aug 7, 2013. #10. Wet sand it with 220. Takes paint right off, and doesn't leave deep scratches in the gel. When you get the paint off, block it down to 800 or 1,000 to get it ready to paint again. And, block sand it, so you don't create dips in the gel. I use durablocks. P.
Fair warning the original paint will have probably rotted (as mine did) and it will be like sanding glue. Also remove all paint and primer and get it down to the fiberglass/SMC or in the future you will have problems with flaking and crows feeting. It takes time and patience but you will have a good reward at the end.
A warning about sanding the gelcoat: use caution to prevent sanding all the way through the gelcoat layer, which can open up pinholes in the fiberglass that can later show through the paint. If the gel coat is sanded through and the strands of the glass show, this needs to be sealed with fiberglass resin or body filler.
Step 1. Sand the fiberglass spoiler with 200-grit sandpaper and a small sanding block. If the sanding block won't fit into all of the crevices, use your hand with the sandpaper, but try to keep your hand level and flat. Sand the entire surface of the spoiler that is to be painted.
Scrape paint off the fiberglass tub carefully with a plastic scraper. Try Dirtex in a spray can to remove latex paint from a fiberglass tub. Make a paste of baking soda and water. Rub the spot of paint with a dampened Mr. Scrub the paint spot with a non-abrasive powdered cleaner like Bon Ami.
I prefer sanding, but it requires you to be very careful, or you will add a lot of ripples, gouges and so on. Try to sand down to the last coat or two of paint, then switch to hand blocking. You will need to primer, guide coat, block sand, and then fill in the minor flaws you've created, with glazing putty.
Stripping boat paint, especially bottom paint; Heat Gun? Stripper? sandblasting? Scraping? Chemical Stripper? grinding? This video is about removing old bott...
The best way to remove paint from fiberglass is to have a commercial garage "soda blast" it. Soda blasting is the same process as sand blasting, but using baking soda to avoid damage to the fiberglass. If you need to strip paint from fiberglass at home, you may try sanding it off or using paint …
Step 3 – Sand the Paint with a Grinder. Using your grinder, thoroughly sand the paint off the fiberglass door (with medium-grit sandpaper). Using a grinding wheel will help you remove paint easier. You must start with the outside corner and work to get at what is underneath the fiberglass, removing all of the old paint/material from it.
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The best way to remove paint from fiberglass is to have a commercial garage "soda blast" it. Soda blasting is the same process as sand blasting, but using baking soda to avoid damage to the fiberglass. If you need to strip paint from fiberglass at home, you may try sanding it off or using paint …
Never sand all the way through the gelcoat into the fiberglass itself. This causes 2 problems: it weakens the strength of the component, and it creates holes in the fiberglass that allow it to rupture through the paint later. The gelcoat can be used as a guide during the initial sanding. Sanding the