Wood or Ployethlyne closure strips for PVC corrugated roofing?

Discussion in 'Roofing and Siding' started by SBay_ecologist, Jun 24, 2013.

  1. Jun 24, 2013 #1

    SBay_ecologist

    SBay_ecologist

    SBay_ecologist

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    Hello All:

    I have a lean-to pergola at the back. I am installing PVC corrugated roofing at the top.

    There will be overhangs on both sides, vertical to the closure strips. At Lowes I saw wood and polye. closure strips (http://www.lowes.com/pd_97559-1115-2214_0__?productId=3048079 and http://www.lowes.com/pd_12564-293-R79039_4294806362__?productId=3010420 )

    I am inclined to use wood all throughout the project: I really do not need 100% sealing, and wood give me better support.

    Any comments?

    Al
     
  2. Jun 24, 2013 #2

    bud16415

    bud16415

    bud16415

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    I don’t know what one is stronger. They both would need some structure below them for support so it’s just a matter of what look goes best with the rest of the design I would say.
     
  3. Jun 25, 2013 #3

    WindowsonWashington

    WindowsonWashington

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    Whichever you choose, I would stay consistent.

    I am not certain that the wood give you that much more structure in this case without seeing the two materials in person.
     
  4. Jun 25, 2013 #4

    nealtw

    nealtw

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    The wood ones split and can mold up when they get wet, I've never used the plastic ones.
     
  5. Jun 27, 2013 #5

    SBay_ecologist

    SBay_ecologist

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    Thanks for all the answers.

    I think I will go with the wood ones. I painted some, so it won't hopefully mold. Here in California, mold is usually not much of an issue, anyhow.

    I will also pre-drill so that the wood won't split.

    I'll follow up if I run across any problems.

    Al
     
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  6. Jul 4, 2013 #6

    SBay_ecologist

    SBay_ecologist

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    Hello All:

    Here is what I have found out so far:

    - The wood ones do indeed split, even with predrilling. Fortunately, the split is localized. However, no telling if it would spread over time. The splits I have seen so far are length-wise.

    The way it looks, the contour of the closure strip does not quite match that of the panels.

    - The screws that they sell are a bit short (1.25"). I needed at least 2" ones in some places.
     
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  7. Jul 6, 2013 #7

    SBay_ecologist

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  8. Jul 6, 2013 #8

    oldognewtrick

    oldognewtrick

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    Al, do you have the roof from the house extending over the panel roof? Is so, how much?
     
  9. Jul 8, 2013 #9

    SBay_ecologist

    SBay_ecologist

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