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  1. #1
    Join Date
    Aug 2004
    Posts
    58

    Default Pergola material

    A customer wants me to build a pergola over an existing patio. Most of the pergolas I see around here in south central Wisconsin are built using cedar. Cedar is a little pricey for this job. Have any of you had success using pressure treated lumber for pergolas?
    If so, did you use a water seal treatment like Thompson's? How about just using Doug fir and a water repellant stain?

    I'm worried that PT lumber is going to twist, turn, warp, split, uplift and all the other weird things PT lumber is known to do.

  2. #2
    Join Date
    Aug 2004
    Location
    Fort Worth, Texas 76109
    Posts
    304

    Default Re: Pergola material

    The last sentence of your post answer's your question as well as I can. Personally, I would/will not use treated Y.P. for this type structure.
    The last pergola I did, I used D. Fir (painted). Cedar and Redwood for natural finish.
    They all need good periodical maintenance which often they don't get.

  3. #3
    Join Date
    Dec 2005
    Location
    Michigan
    Posts
    7,503

    Default Re: Pergola material

    What he said ^.

    DF in Wisconsin will be a lot of maintenence.

  4. #4
    Join Date
    Sep 2004
    Location
    down the shore
    Posts
    2,226

    Default Re: Pergola material

    I did a small pergola over an outdoor shower a couple years ago with PT SYP.

    I stickered the lumber 'till the MC was under 15%, then finished with a solid color stain. Bought extra and only used what dried straight.

    It worked, in part because the longest members were only 5' long - not much room to twist.

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