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bradway5 01-16-2013 08:03 PM

Interior Painting ????
I have some questions about fiberglass PPP. (prep, prime, paint).

Interior Prep
I am going to be painting the interior of the boat during the spring, and wanted to get going on sanding and what not. Can i sand the old paint that is on the fiberglass? I've read different things, that a sander can dig dirt and dust into the fiberglass causing adhesion problems later. What is the recomended method for sanding (sand paper vs 3m pads) fiberglass

All the spots that are getting paint, are all behind cabinets and under cushions. The cabin is pretty much all teak. The old color is a pretty bland brown, but somewhat blends with the teak. Should i keep the same brown or can i go with a light gray or white? I'm really aprehensive and undecisive on color selection.

Lastly, do i have to go with the ol Interlux marine paint or can i just to do a kitchen and bath paint? I don;t want to waste money with expensive marine paint, but not looking to foolishly cut corners.

Again i greatly appreciate the advice!

bigdogandy 01-16-2013 08:37 PM

Re: Interior Painting ????
Why are you wanting to paint concealed sections of the fiberglass, Brad? You might be better off just cleaning and buffing it. I did that to some tired looking areas on the inside of my boat and was pleasantly surprised how well it turned out looking.

Here's a link to a previous discussion about this topic in case you decide you do want to paint:

T37Chef 01-16-2013 08:55 PM

Re: Interior Painting ????
I've done some painting here and there on our boat but I'm no expert ;). In bilge areas where water may have a tendency to sit, I used Interlux Barrier Coat...maybe overkill but I didn't feel it was. Other bilge areas I have used the less expensive Interlux Bilgekote. I have also used latex paint that is recommended for bathrooms/kitchens in closets and bulkheads on some of my previous boats. All of them I simply followed the manufactures directions. Cant speak to long term results though.

I recently thought of using the two part epoxy paint made for coating garage floors you can purchased from Home Depot/Lowe's. I would guess it would be satisfactory for a boat interior environment? I cant recall what the cost savings might be or if it would be applicable for FRP though?

I can understand that after you do all the prep, you want to be sure it adheres well and last a looong time. Like most paint projects, most of the work is the prep.

I will try to find some pictures to post :)

PorFin 01-16-2013 08:59 PM

Re: Interior Painting ????

My interior is almost entirely teak -- one of the benefits and curses of a Taiwanese boat. Unless you're got plenty of portlights or a really good interior lighting set-up I think you'd be well served to go with white in the storage areas. The reflected light makes a huge difference when you're digging around trying to find stuff.

Clean, scuff (sand, wire brush, or scouring pad -- double check your paint instructions for what they recommend), clean, prep-wipe (again, check your paint instructions), and paint, paint again (and again) if necessary (check paint instructions for recoat times).

I've had good results with Rustoleum enamel for interior cosmetic stuff like this in normally dry areas. For areas below the cabin sole, I'd recommend BilgeKote -- it's a really tough paint that is very forgiving during application.

deltaten 01-16-2013 09:04 PM

Re: Interior Painting ????
"Concealed sections"?
'Cause the inside of a pantry isn't s'posed ta look all grimey and fibre-glass-ish! ;)

THanks for the reminder, Brad! I hafta do mine, too ! Some raw 'glass, some nasty gray goo smeared over the filet and tabbing and inside the engine compartment...then..there's the "hanging locker"..if ya can call it that! :)

tommays 01-17-2013 02:04 PM

Re: Interior Painting ????

SloopJonB 01-17-2013 07:55 PM

Re: Interior Painting ????
We went through this fairly recently. Use plain old acrylic kitchen & bathroom semi gloss. It has some mildewcides in it and it is tough and damp resistant. I've used it with great success several times.

Don't waste your money on marine or specialty coatings - they aren't necessary and won't do anything extra for you.

As to prep - yes, sand it. If you have exceptionally heavy glass weave showing, like 24 Oz. roving, you may want to use a plastic or brass "wire brush" in a drill or angle grinder to clean out the low spots.

Use Bilge Kote or barrier coat in your bilges, not paint.

Waltthesalt 01-17-2013 08:37 PM

Re: Interior Painting ????
I completly repainted inside and used a white topside boat paint single part. Some areas were previously painted and most were not. I painted all acessible voids including locker areas and the engine compartment. Just followed directions on the can. didn't have to remove the old paint. No problems after maybe 8 years. I like the hard gloss, easier to clean and maintain especially around the engine. I like white as it makes the interior a lot brighter especially in locker areas like my deep bench lockers where it's a lot easier to find things against a white background. I re-did all my interior wood, teak and mahogany in regular gloss varnish from a flat oil finish. Again things are a lot brighter. With varnish it takes lotsa' coats. Talking with pros they varnish pretty soon after coats, not the 24 hours. It's important to have a warm temperature, sand well, be methodical and wipe with a tack rag to keep the dust out. good luck

bradway5 01-20-2013 01:55 PM

Re: Interior Painting ????
Would a primer such as Kilz be adequate?

tommays 01-20-2013 06:26 PM

Re: Interior Painting ????
You do not need primer with a lot of the new house paints

I followed the instructions and it is still doing fine after almost 3 years

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