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Refinish Deck

2199 Views 10 Replies 7 Participants Last post by  WOGT185
I have a 50" deck on my Prestige. The deck is showing signs of age, but is in great working order. The underside has a lot of surface rust, almost no paint left, but there is very little deep pitting and absolutely no flaking. The top side has some paint chipping off in spots and as a result a little rust in those areas as well.

I would like to fix up the deck, but I certainly don't feel the need to restore it to brand new condition. My plan is to:

1. Sand the underside and other spots on the top with a Cup Wire Brush and a Radial Wire Brush attached to my drill.

2. Apply some kind of rust converter.

3. Spray on a primer coat.

4. Spray Simplicity orange.

Does this seem like a good plan?

Does anyone have any suggestions about what rust converter to use? Or, is it even a necessary step?

If I use the rust converter, is the primer necessary?

Any suggestions/tips would be appreciated.

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I may be wrong here, but my limited observation is that the really bad/deep rust happens on the top side with wet grass percolating in the low spots and corners. The underside gets the recurring surface rust but gets blasted off once in a while. A little scraping periodically helps there.

When I rebuilt my deck, I drilled a few 5/16" holes at the low spots in the deck to help drain any standing water. I blow off the deck with the leaf blower after mowing to reduce the grass agitating the top side paint. I like POR15 (with proper prep) and it will protect the metal on the underside where not directly in the grass blasting zones. But nothing holds up on the high wear spots. I would consider painting the underside every couple of years, anyway. Nothing to lose doing that. Jay
This is what I have seen as well.

Decks normally rust out from clippings and water that collect on the top of the deck.

The bottom side of the deck is polished while mowing. You might be able to spray a rust inhibitor on the bottom side during the off season to keep the surface rust at bay, but no coating on earth will survive that environment.

If I were going through all of the trouble of removing the deck, I would have it bead blasted. A paint job is only as good as the prep work, and that's the cleanest slate to start with.
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