Bitumen mastic for sealing fence posts?

I have some 4"x4" pressure treated fence posts that I need to sink into the ground. I'm wondering whether it its worth coating the bottom with bitumen mastic paint (picrel). On the one hand it might stop water getting in and prevent rot but I'm worried it might keep the water inside the wood and make the wood rot faster. Obviously I'm gonna sink the posts in gravel as well but is it worth this extra step?

  1. 1 month ago
    Anonymous

    I put roofing tar on mine, and they're still solid after 15 years.

  2. 1 month ago
    Anonymous

    Hell yes its worth it. Pressure treating these days is worthless so tar the fuck out of those posts. You can soak the bottoms in a bucket of waste oil first for even better protection.

    • 4 weeks ago
      Anonymous

      >contaminating the very soil you live on with toxins
      you sound like a garden gnome.

      • 4 weeks ago
        Anonymous

        it's so easy to do a concrete footing, I don't understand why anybody would bother to put tar and poison in their land on purpose these days

        • 4 weeks ago
          Anonymous

          you seem to have missed the tardwrangler video of the mail post doubling as waste oil disposal

          • 4 weeks ago
            Anonymous

            >
            used motor oil is an oldschool sealing method, many people still use it to seal the boards of their trailers

            • 4 weeks ago
              Anonymous

              https://i.imgur.com/R61lwo7.jpg

              I have some 4"x4" pressure treated fence posts that I need to sink into the ground. I'm wondering whether it its worth coating the bottom with bitumen mastic paint (picrel). On the one hand it might stop water getting in and prevent rot but I'm worried it might keep the water inside the wood and make the wood rot faster. Obviously I'm gonna sink the posts in gravel as well but is it worth this extra step?

              What about sealing steel posts from quickcrete, when fencing? A friend said old motor oil and pvc glue mix will work well.

              • 4 weeks ago
                Anonymous

                >old motor oil and pvc glue mix will work well.
                What in the fucking kek!

        • 4 weeks ago
          Anonymous

          >the tar comes out of the ground
          Okay I'll just put it back

          >environmentalist> reeeeeee

          • 4 weeks ago
            Anonymous

            >take oil out of the ground
            >"REEEEE NOOOO STOP"
            >put oil back into ground
            >"REEEEE NOOOO STOP"
            What is going to satisfy these people?

  3. 1 month ago
    Anonymous

    Soak in antifreeze, not the pussy 50/50 shit either. It will suck into the wood.
    New lumber is treated with salt, old stuff with more toxic stuff that worked better.

  4. 1 month ago
    Anonymous

    Yeah, this shit seems to be close to the long-since-banned creosote.
    Creosote is only allowed to be used by the only offenders: railroad and telephone poles. Homeowners were never an issue, but that’s who got the ban.
    I bet you could thin it out the mastic with kerosene and it would probably soak in.
    Then coat with full strength.
    They’re trying to make wooden structures a subscription service by banning everything that works

  5. 4 weeks ago
    Anonymous

    Roofer here, unrelated question but ive never seen this shit. Is it like bull or alsan? Or a different product entirerly.

    • 4 weeks ago
      Anonymous

      Not a roofer here. Bostik generally have a very sound reputation here in the UK. They have been around for ages making speciality glues.

    • 4 weeks ago
      Anonymous

      its just bitumen mixed with thinners so you can brush it on and they flash off leaving it set.

  6. 4 weeks ago
    Anonymous

    Use the Wranglerstar method once per year.

    • 4 weeks ago
      Anonymous

      > wranglerstar
      How is grounding my fucking bedposts going to help?

      • 4 weeks ago
        Anonymous

        Does he do that as well? Whay to go! Seriously I am hoping one of the nerds here shall describe the WS genius method for protection of fenceposts: I.E. wooden ones indefintley.

        • 4 weeks ago
          Anonymous

          What does he do soak the fence poasts in used engine oil before planting?

  7. 4 weeks ago
    Anonymous

    Char the fence post ends with a roofing torch

  8. 4 weeks ago
    Anonymous

    i think if i was going to be a farmer and wanted really good permanent fencing i would do concrete fence posts.. like bury a 5gal bucket with an 8' length of 4" pvc sticking out vertically. dig a 3' footer hole, put the 5 gal in there, fill it with concrete, let it cure a little, poke that pvc in, drop some rebar in, come back the next day fill the pvc with concrete. High tensile wire

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