Hi everyone. How would you go about flashing Aluminum clad wood casments with board and batten siding?( B and B over 1*6 strapping over sheathing) Would you still use a head flashing and how can you make it look reasonable with 1*6 trim? Are there advantages in setting the nailing fins on the boards or set the windows onto the plywood sheathing and recess them? Thank you.
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One way would be to set the flange to the outside of the boards, then use 5/4" boards for trimming it out ( or use 3/4" trim and then use 1/2"or less battens). Caulk the trim to the flange as you install it. At the head trim, use a bead of caulk at the top too, and then caulk at the outside of that joint.
A lot depends on your climate and the amt. of overhang you have on the roof - in other words, how much water is likely to hit it. If the windows are pretty much right out in the stream of rain, I would recess further back into the wall with the flange on the sheathing to water proof traditionally and use a very thick trim.
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I don't like horizontal trim with B&B - a scheme that negates the strength of the design by giving water a place to get between wood surfaces at the bottom of a watershed, cross grain movement between board and trim guarentees caulk failure eventually - if under a sheltering eve, you can get by with it, secure flashing to furring behind board -
a suggestion: set the the window frame first (actually, flash under the window and then set) so that it will end up even with the outside of the board, nail a board up on either side of the window, attach flashing to furring/nailers over window, rip/space boards to fill space above window leaving them to die slightly above the flashing with a 45* drip cut at the bottom - use battens to trim from board to window at the sides, batten above window with battens also drip cut at the bottom @ 45* (these should extend below the drip edge as tho the 45* of the boards were extended with the battens)
a nice minimalist scheme that uses the strength of the componets to shed water -