ANSWERS: 1
  • Try marine paint. However metal, once it gets a layer of rust, will continue to rust like mad even when painted. The trick is to remove the rust. Sanding or similar gets the most of it, there are now chemical 'paints' which are used as an under coat - not only do they help to slow down rust (rusting never stops) but they also can convert rust back into metal. This only works on light thin layer of rust, not on rusted out or heavily rusted parts - usually about as much rust that would be left behind after a decent sanding. Marine paint is specially formulated to work in water - there are two kinds - salt water (which is designed to respell the salts and minerals of ocean water and even ocean air which has a lot of mist in it from the ocean) and Fresh water - which is used for fresh water - like lakes and river applications. Wood, if mildewed should be sanded back down to wood then the liberal application of 1:1 ratio of bleach to water should be applied, allowed to sit for at least 5 minutes, 10 minutes is better, and then rinsed with lots of fresh water - then allowed to dry and then pain. The bleach should kill out the mold spores and roots. No treatment to the mildew will result in the pain peeling and the mildew coming back out. Also might want to thin the paint (if latex based) with Listerine - adding 1/4 cup to a gallon of paint will add a layer of protection against bacterias which are responsible for rot, also your painted wood has that minty fresh smell..... ;-). I use the Listerine trick not only on wood but on trees - say I remove a limb, I paint the tree at the cut with Listerine paint - helps the tree to heal.

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