Forum Discussion

pawpaw47's avatar
pawpaw47
Explorer
Mar 08, 2016

Stains on the roof

I was cleaning my roof last weekend and I noticed some grey/greenish stains coming the roof top A/C units. They ran from the A/C unit to the edge of the roof. I scrubbed them with the a soft bristle brush and detergent, but had no luck. The A/C units both work perfectly, so I'm not sure what was leaking from the units. Anyone run into this before?
  • bid_time's avatar
    bid_time
    Nomad II
    Mar 09, 2016
    Do Not Scrub those stains with any chemical unless you know for sure that chemical will not damage the roof material. You tried detergent, that's fine, leave em alone now.
  • pawpaw47's avatar
    pawpaw47
    Explorer
    Mar 09, 2016
    Have a beer and forget about it.:B

    Think I'll take you up on the suggestion......CHEERS!
  • Huntindog's avatar
    Huntindog
    Explorer
    Mar 09, 2016
    I hate to break it to ya..
    The TT is ruined. Your best bet is to get out from under it before it gets really bad.

    Because I know a lot of suckers I could pawn it off on, I am willing to make my standard offer on your heap of junk... Just because you are a member here.:B


    Seriously, a dirty roof hurts nothing. I never wash my roof on my house or my TT, except when it rains.

    Trying different cleaners on it will just increase the odds of doing damage to it. Have a beer and forget about it.:B
  • pawpaw47's avatar
    pawpaw47
    Explorer
    Mar 09, 2016
    Thanks for the answers. I was afraid I had a problem with the A/C units.
  • LynnandCarol's avatar
    LynnandCarol
    Explorer
    Mar 08, 2016
    Spray TileX on the stains, then scrub with soap/water. We also clean our AC coils yearly with commercial AC coil cleaner. Spray on and let it sit for a minute, then scrub with an old toothbrush and wipe clean with a rag. At the same time the fan should be oiled.
  • azrving's avatar
    azrving
    Explorer
    Mar 08, 2016
    pawpaw47 wrote:
    I was cleaning my roof last weekend and I noticed some grey/greenish stains coming the roof top A/C units. They ran from the A/C unit to the edge of the roof. I scrubbed them with the a soft bristle brush and detergent, but had no luck. The A/C units both work perfectly, so I'm not sure what was leaking from the units. Anyone run into this before?


    Water runs off the coil, out the drain holes on the unit then across the roof and onto the ground. Just like a car leaves a puddle on the ground.

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