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Pete99

Flashing ledger against concrete building

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 With wooden deck ledger's attached to wood framing, the ledger always gets flashed, preventing water from entering behind the ledger and causing rot.

For the first time, I've come across a ledger fastened to a wall that is concrete above and below, with no additional siding planned.  What is the protocol for flashing in such a situation?  

I assume that it is still desirable to prevent water from getting behind in the letter and freezing and expanding, but there is nothing to lap over the flashing above it. 

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You should just buy a concrete or tile cutting blade and cut a groove in the concrete with your Skil saw for that head flashing.

Edited by John Kogel
I said diamond-edged but maybe not diamonds

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4 hours ago, John Kogel said:

You should just buy a concrete or tile cutting blade and cut a groove in the concrete with your Skil saw for that head flashing.

And as Sir James alluded to, the groove is the *reglet*.

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1 hour ago, Jerry Simon said:

And as Sir James alluded to, the groove is the *reglet*.

Exactly. 

It also works well when flashing stuff onto log buildings. 

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