Ideal for stucco and stone exteriors tyvek drainvent rainscreen is suitable for use with a variety of other materials including brick wood siding fiber cement siding.
Drainage mat vs furring strip for rainscreen.
Mti s 1 8 corrugated lath strip white used as an eifs drainage strip protects the drainage gap in water managed eifs.
Install a started strip for siding and then finish siding the wall as you normally would.
I can provide a picture of what i am referring to if helpful pending this doesn t sound like an obviously dumb idea.
Eifs and corrugated lath strip video.
The 1 8 gap it maintains limits loss of r value to less than 5.
A rainscreen system must be detailed to drain at terminations.
Easily trimmed utility knife.
Fold the screen up and install a water table trim board just above the flashing.
Tyvek drainvent rainscreen is a three dimensional honeycomb textured drainage mat that provides advanced protection against moisture damage in exterior wall systems.
In situations where exterior rigid foam insulation is being installed cor a vent recommends using thick treated wood furring strips installed over the foam screwed into the wall studs to provide a structural fastening point for the siding and the sv 5 siding vent installed at the top and bottom to supply the rainscreen drainage.
The horizontal furring strips are the problem if you don t provide for 1 sufficient drainage for the rainscreen this will be blocked by the horizontal strips and 2 sufficient vertical airflow behind the siding this also will be blocked by the horizontal furring strips geary writes.
Why use a manufactured drainage mat.
Most of these mats come in the form of roll stock.
Learn more about weep screeds here.
Use additional vertical furring strips and or a corrugated plastic furring strip on the corner trim to provide a ventilation channel to the cavities in the rainscreen created by the horizontal furring strips.