Paul in Toronto

03:30PM | 10/12/01
Member Since: 10/07/01
51 lifetime posts
My 45 yr. old house is contructed with double brick walls. There is no rim joist or studs on the exterior walls. The floor joists for the 1st floor rest atop of the concrete block foundation.

I want to build a deck but I am unsure of how to fasten the ledger board. I have been told that lag shields should work. My idea was to use threaded rod with washers and nuts on both sides of the brick wall. Do you think this would be overkill?


04:59PM | 10/12/01
Member Since: 09/23/01
242 lifetime posts
Go ahead and Lag bolt the ledger to the brick, for 2 reasons
1. If you thru bolt with threaded rod, its not Galvanized.
2. You have created a straight path for water to travel.

Use a Galvanized 3/8"X4" lag, washer and shield. Lag the ledger every 3'.


09:32PM | 10/12/01
Member Since: 10/12/01
1 lifetime posts
Another option is to make a free-standing deck, which would require twice as many post holes, but no lagging into brick. But this option would involve no new entryways into your house for water or bugs.


Mark Hammond

06:11PM | 10/20/01
Member Since: 05/09/01
246 lifetime posts
You can bolt all the way through but do it at a slight angle and you will have no leakage worries. You can also tar over the heads. Using a plate on both sides of the wall will also make it stronger. Many choices.....Mark Hammond
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