What Should I Use to Get Rid of Big Black Roaches on My Outside Deck?

we had a deck built (all the lumber was treated) about half a year ago. i NEVER seen roaches in my garage or on my old concrete porch or anywhere before the deck was built. now when it turns dark outside i see big black long roaches on my back deck. does anyone know if they are attracted to treated lumber? also, what can i use to get rid of the roaches?
thank you for your help!

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6 Responses

  1. jimpsonseed Says:

    They’re not roaches, they are called water bugs. They are indeed attracted to the chemical in treated lumber called Chromated Copper Arsenate. I’m assuming that the lumber is still unpainted, and if so, a couple good coats of either paint or water seal may fend them off. Also, go to the lawn and gardening department of Home Depot and find a bug killer with "Malathion" in it…comes in sprays or dust. If you do use the Malathion, don’t let pets or kids around it for a couple of weeks, and if this is not an option, I recommend giving the lumber a good primer coat and two good coats of paint. Just make sure you use exterior latex paints. Good luck.

  2. AniMeWoRLd26 Says:

    hmm get those cockroaches spray xD

  3. mr benis Says:

    call the orkin man theyll know

  4. odywithaj Says:

    a really big shoe outta do it!

  5. X!!! Says:

    I am no pest guy and I would probably call one out. I do know from experience that if a neighbor moves out his roaches may look for a new home. Or the neighborhood could be infested with them.

    Some facts:
    some female roaches mate once and are pregnant for life.
    a cockroach can live a week without it’s head
    roaches can only live a week without water

  6. JAMES M H Says:

    Liquid Dursban will take care of them

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