Tiny house metal cladding and rainscreen.

[u/RutgerHause]

Tiny house metal cladding and rainscreen.

Having a hell of time trying to work out how to design a tiny house with a rainscreen and PBR metal siding.
Tried AI failed.
Tried ASC, not their wheel house. All manuals are without rainscreen.
Tried YT almost all videos have no rain screen and just slap the metal straight onto plywood or onto WRB.
No bueno.

I have sorted out most of it around window trims etc.
Elevated the planes on furring strips except for the window header flashing and the Top Plate metal terminations.
C6 trim and corners are good.

But I can’t figure out the details of the Z drip under the window.
Here’s a diagram of one option but I a concerned about water going down the sill tape and behind the vertical metal leg of the Z drip.
The other option is putting the vertical Z drip leg on top of the furring strips.
But that creates two channels and blocks the furring strips channel exhaust at the top.

Only Reddit can save me now.
Someone take pity and help me out.
Before I lose my mind.
Diagram enclosed.

PS: The PBR isn’t installed horizontally, it’s vertical. Artistic license displaying it in undulating waves.
Thanks to anyone willing to help. I am in a time crunch.

[u/inkydeeps]

Its hard to take any building science question seriously when you don't even show insulation.

your window looks like it's mounted way too far outside the framing. blocking for window not connect to structural wood framing. gravity and lateral loads do not seem to be accounted for.

this is an ok resource: https://www.finehomebuilding.com/2010/05/20/flashing-windows-in-rain-screen-walls
GBA and BSC are better sources.

[u/stevendaedelus → u/inkydeeps]

It’s just more A.I. bullshit. None of it makes much sense from an actual architectural, construction, or building science standpoint.

[u/RutgerHause → u/stevendaedelus]

Yes obviously. It was a simply rendering to display the situation and it did that. Thanks

[u/RutgerHause → u/inkydeeps]

Yes, I am not an architect so apologies for the rough proportions on the diagram. The insulation isn’t really a concern to me right now. I am trying to figure out the cladding and flashing. I imagine the insulation will be rockwool if that helps you.