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Rust on Sky Dish

  • 29-03-2013 12:30pm
    #1
    Storm 10
    Registered Users, Registered Users 2 Posts: 6,011 ✭✭✭


    Quick question my dish was a bit rusty so I cleaned it as best I can, just wonder if I can paint it with hamerite anti rust paint or will I loose signal quality, or does anyone recommend some kind of paint.


Comments

  • #2
    swoofer
    Registered Users, Registered Users 2 Posts: 5,678 ✭✭✭swoofer


    hammerite is the best but once they rust not long left


  • #3
    Storm 10
    Registered Users, Registered Users 2 Posts: 6,011 ✭✭✭Storm 10


    GBCULLEN wrote: »
    hammerite is the best but once they rust not long left

    Thanks for the quick reply actually its very light surface rust so should be ok for a few more years, appreciate that reply will do it today


  • #4
    Play To Kill
    Closed Accounts Posts: 485 ✭✭Play To Kill


    If your using hamerite then make sure you use the smooth matt type and not the flake type. Matt black spray paint fron a car accessory shop would be better.


  • #5
    St Senan
    Moderators, Regional South East Moderators Posts: 3,585 Mod ✭✭✭✭St Senan


    I use Triflow BBQ spray paint Matt finish. Down this way some half saved egit is installing 60cm sky dishes along the coast and is then plastering agricultural/Industrial grease all over them. He doesn't realize all he is doing is making a water trap on the dishes that will make them rust faster.


  • #6
    byte
    Moderators, Regional North West Moderators Posts: 19,158 Mod ✭✭✭✭byte
    byte


    Navarre wrote: »
    I use Triflow BBQ spray paint Matt finish. Down this way some half saved egit is installing 60cm sky dishes along the coast and is then plastering agricultural/Industrial grease all over them. He doesn't realize all he is doing is making a water trap on the dishes that will make them rust faster.
    Would never have thought of using BBQ spray paint, will keep that in mind. Until now, I've always used or recommended Hammerite smooth matt/satin.


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  • #7
    Liameter
    Banned (with Prison Access) Posts: 898 ✭✭✭Liameter


    Play To Kill wrote: »
    If your using hamerite then make sure you use the smooth matt type and not the flake type.

    This is a commonly touted fallacy. Metal flakes are fine. The wavelength is around 5cm, which is why a perforated dish (with 4mm holes everywhere) works OK - and so does metal flake paint.

    However, from a practical point of view, if you cleaned a dish down to bare metal, it needs a good coat of metal primer, followed by one or more coats of oil-based outdoor paint.


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