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Old 09-14-2011, 07:09 PM   #1
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Attaching ledger board to brick


Hi folks,
what is the best way to attach a ledger board against a brick wall? I am replacing a small 8' x 10' deck that was built on top of the "sunroom" and not attached to the house in any way. I want the new deck to be free standing with ledger board and posts.

Ideally I would like to use spacers but I'm not sure if lag bolts will be sufficient. I've also looked into this product, but it looks like a lot more effort than neccesary:

http://www.strongtie.com/products/co...MU_MASONRY.asp

any advice is appreciated!

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Old 09-14-2011, 07:29 PM   #2
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Attaching ledger board to brick


Quote:
Originally Posted by badfun View Post
Hi folks,
what is the best way to attach a ledger board against a brick wall? I am replacing a small 8' x 10' deck that was built on top of the "sunroom" and not attached to the house in any way. I want the new deck to be free standing with ledger board and posts.

Ideally I would like to use spacers but I'm not sure if lag bolts will be sufficient. I've also looked into this product, but it looks like a lot more effort than neccesary:

http://www.strongtie.com/products/co...MU_MASONRY.asp

any advice is appreciated!
You're not allowed to attach to brick.

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Old 09-14-2011, 08:47 PM   #3
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Attaching ledger board to brick


I have a problem with the concept of a free standing deck that that is ledger attached. A deck with a ledger attachment is not a freestanding deck.

Most deck problems usually go back to improper ledger attachments and improper flashing/counter flashing that results in moisture and mold problems. Most communities or areas seem to require though bolts instead of lag screws.

Dick

Last edited by concretemasonry; 09-19-2011 at 11:39 AM.
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Old 09-19-2011, 11:05 AM   #4
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Attaching ledger board to brick


thanks for the responses. Perhaps I should not have used the term 'ledger board'.

I had assumed that attaching a freestanding deck to the brick would prevent any lateral movement without putting any real strain on the fasteners or the brick since the full weight of the deck is transferred down through the posts.

So should I just leave the deck seperate from the wall? Certainly that would eliminate having to add flashing, but it seems counter-intuitive to not tie it into a structure that is an inch away.

thanks!
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Old 09-21-2011, 04:43 PM   #5
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Attaching ledger board to brick


Yes, check with your local AHJ. Here is the current deck code (no attachment to brick veneer as shown): http://www.awc.org/Publications/DCA/DCA6/DCA6-09.pdf

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Old 09-21-2011, 06:37 PM   #6
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Attaching ledger board to brick


thanks GBR for that document. I am in Toronto so it won't be exactly the same, but similar.

I see now how strict the rules are about attaching to the facade in any way. Strange, because I've seen literally dozens of decks done this way around here, using a ledger board and no additional supports. The deck I'm replacing was also attached by the railings only to the brick and the weight of it rested on the sunroom underneath.

To do it properly looks like I am either faced with cutting open the walls and ceiling to get to the sill plate, attaching large diagonal bracing, or re-building the sunroom underneath. Guess I should have just left the old deck on!

thanks for the help.

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