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whats your ledger board flashing detail?

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69K views 77 replies 20 participants last post by  Rich D.  
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#1 · (Edited)
Im wondering whats everyone is using for flashing a ledger board.

Aluminum flashing, hdg flashing, stainless flashing, ice and water sheild, copper flashing, vinyl?

I like to put a 16" piece of aluminum or hdg flashing on the house. Then cover with a slightly larger piece of ice and water shield.

Install ledger board.

Then cap the ledger with some ice and water sheild carefully forming it so it will basically isolate the z flashing from the wood and for added protection. Basically so it looks like a piece of z flashing...

Then cap that with hdg or aluminum z flashing and put a 6" piece of ice & watershield where the z flashing meets the house.

I also like to shoot some silicone in the bolt holes for added protection.

What is everyone else doing?
 
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E
#2 ·
I use 10-12" Grace Vycor behind the ledger, stainless or pvc z-flashing over the ledger and a 3" strip of vycor to cover the top of the z-flashing if I can get to it.

If the underside of the ledger is visible then I'll start with a strip of z-flashing at the bottom to go over the siding and bring the first piece of vycor over that. If it's hidden then I'll just bring the big piece of vycor over the siding itself.

My concern is a good(and cost effective) way to replace the decking over the ledger as it's such a water trap. I've seen it done well with parallel decking.
 
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#4 ·
fourcornerhome said:
I laugh (and cry) at this question. Around here, everyone bolts the ledger board right over the vinyl siding. No flashing at all. Inspectors approve as long as bolts hit solid framing!
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I dont reccommend that :laughing:
 
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#10 ·
ADKRemodeling said:
aluminium.... obviously any metal that is going to touch the PT lumber gets a piece of vycor in-between them. Essentially entire back and top of ledger gets vycor....
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That exactly what ive been doing. Im interested to switching to stainless.
 
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#11 ·
EthanB said:
I buy it. I don't work with flashing enough to brake it. I'm on the coast so stainless is the way to go.
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Same here. I dont own a break and leave the metal work to the window&siding guys.

Do you buy it from your lumber yard or buy it through a specialty store?
 
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#13 · (Edited)
ADKRemodeling said:
anybody ever try this http://www.thedeckstoreonline.com/everflashing-deck-flashing.html
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Ive seen it before.

You can accomplish the same effect by just adding a piece of drip edge on the top on your decking then cover your drip edge and z flashing with vycor to tie it into the structure.

20$ for a 8' piece

But you would save time installing the extra piece of drip edge. Thats about all.
 
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#16 ·
Grace behind Ledger and then I use a 10" vinyl z flashing I bend up on a brake. 7" up the house, 1.5" over Ledger, 1.5" down ledger. House wrap is cut 5" up the house and the flashing is slid behind and stapled directly to sheathing. Corners/joints lapped and sealed with a sealant (caulk). Grace behind vinyl at all inside and outside corners.

Sound right? I am not a decking guy...I just happen to do a deck or two here and there.

Isn't the "new" ACQ much less corrosive than the "old" stuff. Is there any merit to those claims?
 
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#21 ·
killerdecks said:
why would anybody use stainless z flashing for any reason when vinyl z flashing is available for $2.00 a 10' stick, Ylou guys sure do give away your money.
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If I charge extra for it then I don't consider it "my money". I offer a stainless steel upgrade package. We got this salt stuff in the water over here.
 
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#24 · (Edited)
here ya go Rob..

sorry about the blurry pic but notice the gap between the z bend and the bottom of the ledger to keep water from wicking in between
i use flashing tape for material separation in a pinch

the only way to tie into difficult siding materials like stucco is to remove it imo
 

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#27 ·
Tom Struble said:
this would be my basic mid level detail
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Let me see if im seeing this correctlty

Vycor first then ledger

Then vycor over top of ledger

Then aluminum z flashing on top and bottom?
 
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#31 ·
install a simple pvc water table detail,the only real difference between the wood and stucco would be cutting a reasonably straight line in the harder material

this is too an important area to just say it's too hard;)
 

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