cavity batten of 20mm thick and 40-60mm wide fixed max of 600mm spacing on to the exterior of timber framing over the building wrap. Horizontal batten on top of the wall framing should be continuous with no gaps, vertical batten to all interior/exterior corners and both side of the window/door should be thin down for difference of lashing and easier to slide cladding behind the joineries. horizontal battens under window and doors should be fixed in a 5 degree angle with minimum of 50mm gape to the vertical batten allow water to run out.

Vent strip is to be fix alone the bottom of the batten about the height of the bearer, batten is to be taken a bit off in order to slid into the vent strip. 50mm PVC corner flashing are to be fixed to all internal and external corners running continuously or over lapping top to bottom, use same flashing for both internal and external as the lip folds both ways