Wood or Ployethlyne closure strips for PVC corrugated roofing?

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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
 
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.
 
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.
 
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
 
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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