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topic 22490

Repainting aluminum swimming pool coping


2003

Q. How do I effectively repaint powder coated aluminum swimming-pool coping? I have just had the cement surround of my pool replaced. The contractor removed numerous cement splashes on the white coping using a harsh scourer (probably 0000 steel wool [linked by editor to product info at Rockler] ). Now, 3 in - 6 in bare aluminum is visible in many places along the coping. He is planning to repaint the coping but I am concerned that he may use an inappropriate paint, which will peel off within a year or two from the frequent splashing of chlorinated pool water.

Is there a suitable paint for this type of project, and is there some kind of preparation required to ensure the paint adheres properly to:

a) the bare, newly-exposed aluminum
b) the existing painted parts (but possibly slightly oxidized)

Most appreciative of any assistance or guidance.

ANDREW CHODELLE
- Charlotte, North Carolina


2003

A. Using fine sandpaper, sand down your existing coping so the new paint will bond effectively. Tape the concrete behind the coping with duct tape (hint: you may want to put a layer of newspaper under tape so the protected width increases). If possible, paint coping while liner is out of the pool. If this is not possible, use masking tape and newspaper to shield the liner as well. DO NOT DUCT TAPE THE LINER. Then, use an epoxy spray paint or some other metal paint suitable for outdoor use. Another pool builder I know used white appliance paint on his pool and it turned out beautiful. Make sure to spray from at least 10" away so as to avoid drips in the paint.

GOOD LUCK!

Jason Ward
Swimming Pool Construction and Service - Matthews, North Carolina


2004

Q. I am a homeowner who has an above ground pool located in the Chicago area that has aluminum top rails (these rails are not submerged) that need to be refinished. The original paint/coating is peeling and I would like to repaint them myself. My question is what process and products should I use to strip, sand & repaint them? Keep in mind that whatever product I use to finish them with are going to be subjected to full sunlight and the typical chemicals you would expect to find in a pool, like chlorine and bleach. Also, how long can I expect this finish to last.

Thank you,

Craig Cechini
Homeowner - Carol Stream, Illinois, USA


(2007)

A. I too have an above ground swimming pool. I purchased mine used from someone that had already taken it down. The coping on the pool showed its age with several places that had been worn through over the years along with scratches from removal and storage. I used a heavy duty cleaner/degreaser along with a Scotchbrite pad to wash mine down with. The Scotchbrite pad helps clean it and it also dulls the factory finish. I rinsed them with water thoroughly and then let them air dry. I used a spray paint sold by the Sherwin-Williams Company (I used to work there) called "CONTROLS RUST". It has been on there for about 4 years now and still holding up pretty good. You can see that the winter cover has rubbed it some, and one or two had a couple flakes come off (apparently I didn't prep something thoroughly there). I am going to redo them sometime this summer just for good measure. I would highly recommend the less expensive rattle-can method. I too would think that appliance epoxy spray paint would be great, but it didn't come in the color that I wanted! Good luck!

Josh Perry
- Clay City, Kentucky, USA



Rust Converter


Hammer finish "Outdoor" Paint

September 22, 2014

Q. The metal coping around my pool has rusted in several spots. I do not want to replace it. How do I repair it? I can't seem to get any pool people interested in the project.

Jennifer Barry
- Wayne, New Jersey


September 2014

A. Hi Jennifer. Although aluminum can corrode, "rust" (that reddish or brown color) is iron oxide and only iron and steel can rust. If it's reddish or brown, it's steel not aluminum.

It's usually a good idea to brush off any loose rust with a wire brush, then apply a phosphoric acid based rust converter (also called naval jelly or Ospho -- there's a lot of brands and styles) =>
to convert the red rust to a very stable black rust before painting. Then you just use any outdoor paint for metal, brush-on or spray paint, whichever you like. Sometimes there will be a picture of metal lawn furniture or lawn mowers or such on the can to give you the idea that you're looking at the right stuff. Good luck.

Regards,

Ted Mooney, finishing.com
Teds signature
Ted Mooney, P.E.
finishing.com
Pine Beach, New Jersey



July 15, 2015

Q. I am having a similar problem as Jennifer B. My coping is galvanized steel. We have a "salt water" system which is causing the steel to rust heavily and even rusting through the metal. I have a vinyl liner. If I try to remove the rust, flecks fall into the pool and are hard to vacuum out. It is also difficult to keep paint from falling into the water. Other than the paint system that was suggested is there a way to cover the coping with masonry, ceramic or plastic tile?

Merv Gillenwater
- Effingham, Illinois USA


May 11, 2018

Q. Is there a brush-on paint that I can use on the coping? I do NOT want to spray, as I don't want it in my water and liner. Thanks!

Janet Partenheimer
- Birdseye, Indiana


Latex Self-Etching Primer

May 2018

A. Hi Janet. Brush on paints are readily available.

Regards,

pic of Ted Mooney
Ted Mooney, P.E. RET
finishing.com
Pine Beach, New Jersey
Striving to live "Aloha"



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