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Horizontal Furring for Rainscreen with Vertical Siding

maine_tyler | Posted in Green Building Techniques on

I know there are about a million resources on rainscreens and as many ways to go about them.
What I want to try I haven’t explicitly seen mentioned, so am hoping for a quick sanity check…

The plan is for vertical siding (b&b) over plywood sheathing with Mento 1000 WRB.
In order to achieve the necessary horizontal strapping, yet maintain some vertical airflow, my thought is to attach the straps to the framing with a spacer washer of sorts (or little square of ply).
This is essentially like using corrugated lath strip ( behind the strapping, but only where attached to the framing. I see no reason to run the lath strip the entire length, or do something like cut back-kerfs in the strapping, when I could simply space the entire strap off with a spacer.
Am I missing anything?

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  1. Expert Member
    Michael Maines | | #1

    Tyler, I don't see any reason why your plan won't work. I've done cross-strapped furring for vertical siding; I think the time and labor saved is worth the small amount of additional material compared to what you want to do, but if you want to save a bit of wood, go for it.

  2. tech1234 | | #2

    Tyler, how did this work out for you? I thinking about a similar plan using a ripped down and bucked up (2"x2") sheet of 1/4" azek

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