Drainage Mat Vs Furring Strip For Rainscreen
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Drainage mat vs furring strip for rainscreen. Fold the screen up and install a water table trim board just above the flashing. The 1 8 gap it maintains limits loss of r value to less than 5. The new technology that is attempting to improve the rainscreen drainage detail is the use of mat materials. Eifs and corrugated lath strip video.
Why use a manufactured drainage mat. 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. Tyvek drainvent rainscreen is a three dimensional honeycomb textured drainage mat that provides advanced protection against moisture damage in exterior wall systems. Install a started strip for siding and then finish siding the wall as you normally would.
Mti s 1 8 corrugated lath strip white used as an eifs drainage strip protects the drainage gap in water managed eifs. 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. Cut the furring short to make room for a mesh mat like ridge vent along the bottom and top of the wall and windows. Most of these mats come in the form of roll stock.
Learn more about weep screeds here. 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. That way any rain that sneaks back there can drain out.