So, I'm getting to the trim planning stage on my carriage house project. Specifically, now to case out and trim the windows with horizontal 1x6 cedar clapboard siding.
The windows are Andersen 400-series double hung (WDH-2436), and casing trim is to be cedar 1x4 sides with 1x6 header. Still undecided on best way to handle sill & skirt. The Andersen install guide shows the typical house wrap, cut and folded in, with adhesive flashing in the sill area, nailing flange followed by side flashings, then a drip cap installed on window with bead of caulk, adhesive header flashing, and then fold house wrap down and tape over header flashing. All good, but then they show the trim placed atop all of this.
I assume this might work fine, if you're doing aluminum or Azek trim board, with a J-channel and vinyl siding over the header. But I don't know how you'd do true wood horizontal clapboard siding and trim this way.
Seems to me, the better plan is to cut the house wrap up 6" higher above the window, install the header trim directly over the nailing flange, and then do the drip cap, adhesive flashing, and house wrap fold-down above the header. Following the Andersen install guide seems like a guarantee for water behind the casing header, unless I'm missing some detail on how clapboards are normally trimmed into window and door headers.
Advice, please?
The windows are Andersen 400-series double hung (WDH-2436), and casing trim is to be cedar 1x4 sides with 1x6 header. Still undecided on best way to handle sill & skirt. The Andersen install guide shows the typical house wrap, cut and folded in, with adhesive flashing in the sill area, nailing flange followed by side flashings, then a drip cap installed on window with bead of caulk, adhesive header flashing, and then fold house wrap down and tape over header flashing. All good, but then they show the trim placed atop all of this.
I assume this might work fine, if you're doing aluminum or Azek trim board, with a J-channel and vinyl siding over the header. But I don't know how you'd do true wood horizontal clapboard siding and trim this way.
Seems to me, the better plan is to cut the house wrap up 6" higher above the window, install the header trim directly over the nailing flange, and then do the drip cap, adhesive flashing, and house wrap fold-down above the header. Following the Andersen install guide seems like a guarantee for water behind the casing header, unless I'm missing some detail on how clapboards are normally trimmed into window and door headers.
Advice, please?
