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stagger19 07-29-2006 07:20 PM

Vinyl Siding help
Hi, Im putting vinyl siding on my shed, but I have a problem with the corner post. I have a 8 x 12 shed, and I put 1 x 6 Aztec trim boards for the fascia, and used the same 1 by material to make the fascia returns.

My problem is that the corner boards thickness, will stick out further than the 1 by 6 fascia boards under the Rake. I have a link to a picture so you can see what i mean.

I know I have to leave a gap for expansion, abd thats where im concerned it wont look all that great.

Any suggestions, I Would really be grateful!

manhattan42 07-30-2006 08:25 AM

Houston, we have a problem...
You have a design problem that doesn't have an easy solution.:eek:

Your roof overhangs and fascia board depths need to be designed so that they overlap the corner boards by at least 1 inch to keep water from entering into the corner posts.

This may not be possible to correct now because it will likely involve making the roof also extend out more.

Only simple solution I have to suggest is to cover the fascia and return boards with aluminum so that the aluminum covers down over the open gap at the top of the corner post and acts like flashing to prevent moisture from entering in.

stagger19 07-30-2006 10:43 AM

I think I may have come up with an option to fix this.

On the fascia returns, I will double them up, and the this way the corner post wont protrude out past the fascia, and the 1/4" gap at the top wont be too visable.

The extra thickness on the fascia will give it an interesting shadow line, and wont look all that bad.

AtlanticWBConst. 07-30-2006 05:54 PM


I was going to suggest that you double up on everything for the trim (rakes, etc). Unfortunately, it's a little late for that...especially because you would've had to install the roofing drip edge over it.

As far as doubling up on the 1x6 returns (I take it that you meant Only the returns): You will eventually have rotting issues due to moisture = on the tops of those return 'build-outs'...especially if you used standard pre-primed wood stock.
You might get away with it if you use the white PVC Composite 1x6 trim and really silicone it good where the top edge meets the rake fascia.

- 2 cents -

stagger19 07-31-2006 09:17 AM

Yeah, luckily on all my fascia boards I used aztek boards, so they are PVC. I will glue them good with the pvc slow drying glue, and caulk them good.

Any water that does build up on them should run right off.

Luckily on my garage that Im building, I doulbled up on the gable boards.

Thanks for your help!

AtlanticWBConst. 07-31-2006 05:29 PM

Also, you might want to cut the top edge at a 45 degree to allow water to more easily run off....

Otherwise, it sounds like you've got it covered.

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