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Deck Flashing....almost.

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[#1] Posted: 10/01/2010 - 12:36:33 PM
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I'm 99.9% certain this flashing is wrong on this ledger board, but I'd feel better if you boys agreed.

The builder cut away a section of siding, installed a piece of metal, then trimmed it in J channel. Then bolted the ledger to the house. No caulk, nothing covering the top of the ledger.

How is this any different from bolting it to the house without cutting out the siding? If anything, it's another 12ft section that water could get in at the bottom.


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ABI Home Services
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Deck Flashing....almost.
[#2] Posted: 10/01/2010 - 12:43:22 PM
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If it's just a flat piece of metal, it isn't flashing, it's a disaster.

Download Attachment: Attaching Deck Ledgers.pdf
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Deck Flashing....almost.
[#3] Posted: 10/01/2010 - 12:54:38 PM
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Yup, you can reach behind and feel the end of the metal about 1/4 down from the top of the bottom piece of J channel. Nothing covering the top of the ledger....
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Deck Flashing....almost.
[#4] Posted: 10/01/2010 - 5:01:02 PM
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Deck Flashing....almost.
[#5] Posted: 10/01/2010 - 6:03:39 PM
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Quote: Originally posted by hausdok



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Nice detail! That's kinda what I was pining for in a thread I posted a few weeks back on this subject. IT seems that most builders here will do as Ben has uploaded, or maybe, on a good day, turn the flashing out at the bottom to form a drip edge. All I can see in the whole affair is water going "I know not where" - I hate it.

Free-standing will always have me vote as the only way to go. Penetrations are always an Achilles heel.

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Deck Flashing....almost.
[#6] Posted: 10/01/2010 - 6:08:51 PM
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Thanks Mike. I'm totally stealing...um, borrowing this pic/
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Deck Flashing....almost.
[#7] Posted: 10/02/2010 - 05:15:58 AM
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There is an AHJ here that actually requires that half a$$ed metal strip Ben. The local builders use PVC coated aluminum trim coil with a felt slip sheet, then flash it correctly after the inspector has signed off. It won't hurt anything under real flashing but it won't do anything by itself.

I'm pretty sure that's why this guy won't show up to inspect the footing holes, he just might end up at the bottom of one.

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Deck Flashing....almost.
[#8] Posted: 10/02/2010 - 08:32:27 AM
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That's a great image Mike, I attempted to "copy for my files" it but doesn't have the same sharp focus as yours, what am I doing wrong?

Robert

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[#9] Posted: 10/02/2010 - 08:49:31 AM
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Dunno Robert,

I'm not a very competent compuphile, I'm afraid. Shoot an email to hausdok@msn.com and I'll fire one back as an attachment.

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Deck Flashing....almost.
[#10] Posted: 10/02/2010 - 1:52:42 PM
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Quote: Originally posted by Robert E Lee


That's a great image Mike, I attempted to "copy for my files" it but doesn't have the same sharp focus as yours, what am I doing wrong?

Robert

Make sure you open the image and save that as opposed to saving the thumbnail image.

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Deck Flashing....almost.
[#11] Posted: 10/02/2010 - 3:52:49 PM
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Quote: Originally posted by hausdok



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Just wondering in case I'm missing something. Shouldn't that drip edge flashing in the diagram go beneath the house wrap like in Marc's JLC example?

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Deck Flashing....almost.
[#12] Posted: 10/02/2010 - 4:23:10 PM
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Quote: Originally posted by Mike Lamb

Quote: Originally posted by hausdok



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Just wondering in case I'm missing something. Shouldn't that drip edge flashing in the diagram go beneath the house wrap like in Marc's JLC example?


The flashing membrane is missing in the diagram, as well, which is a crucial element.

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Deck Flashing....almost.
[#13] Posted: 10/10/2010 - 8:48:04 PM
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I ripped that graphic too. Nice.

Ben, it's gotta be Z flashing. You should see it comming over the ledger board when viewing from underneath the deck. Sometimes they don't fold it under the joist edge and I don't make a big deal of that.

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Deck Flashing....almost.
[#14] Posted: 10/11/2010 - 04:23:32 AM
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Update: The sellers Realtor called me Friday with the "Contractor" standing beside her wanting to know exactly how to repair the deck. He was having trouble figuring out what was wrong with it to begin with....


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Deck Flashing....almost.
[#15] Posted: 10/11/2010 - 09:04:58 AM
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Quote: Originally posted by Ben H

Update: The sellers Realtor called me Friday with the "Contractor" standing beside her wanting to know exactly how to repair the deck. He was having trouble figuring out what was wrong with it to begin with....




You're going to run into that a lot. You can gently nudge someone in the right direction, but never put yourself on the hook by prescribing repairs. If something goes kerflooey, the contractor's response will no doubt be, "I did it just like the inspector said."

   
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