Lathing Under Metal Roof
Metal roofing panels rated for architectural use attached to purlins horizontal pieces of wood or metal fastened to roofing trusses are structurally sound when installed according to your roofing manufacturer s instructions and local building codes.
Lathing under metal roof. As for ventilation the creation of air compartments under the metal roofing using horizontal lathes does not constitute ventilation as the air compartment need to be joined vertically to allow air movement by convection. The usual way to achieve that is to install vertical lathes first then the horizontal ones.
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