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brick veneer support at sides of dormers 2

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henryd

Structural
Jan 16, 2010
7
I have been searching through the BIA Technical Notes for a recommended detail for supporting brick veneer on the sides of a dormer...is there a preferred way? (see attached image)

Thanks

 
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Mike McCann
MMC Engineering
Motto: KISS
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Sealing the side walls and providing a workable drainage plane is harder then supporting the brick.
 
Flashing a roof to brick is common.
I have done it myself a hundred times.
There is nothing difficult about it.
 
I think a L6x3.5x1/4 LLV would be best to support the brick.
The longer vertical leg allows more than one lag bolt at each stud which may be necessary to support the load.

I generally don't specify bolts larger than 3/8" diameter in the 2" face of a 2x4.
Also pilot holes should be specified to prevent splitting the wood.
 
I like msquared's advice. Don't forget the vertical fins on the angle to keep the brick from sliding. You'll need to determine the size/spacing of these fins based on the allowed stear stress in the horizontal mortar joint.
 
The slope appears to be close to 45 degrees. When the mortar is wet, it has no shear strength. You probably need fins at every half brick joint.

BA
 
Chances are a good mason will have some experience with this. Consult with one on your details.
My suggestion would be to use one single "fin" at the bottom and then use a spacer of some sort in the mortar joints the rest of the way up the hill until you have a level row of brick. Similar to tiling a tub surround. The spacers will wind up buried in the mortar joints.
 
Would they consider man made stone as an alternative? It will stick tithe wall just like the stick-on brick
 
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