Pergola rafter span nz. Louvre and pergola requirements Pergolas can either be freestanding or attached to a house, depending on the design and existing Application: Rafters A Rafter is one of a number of parallel members required to support roofing loads, via an overlying set of battens or purlins. STEP 3 Determine the pergola size: length, width, and height. 75mm galvanised nails, or, particularly for covered pergolas, preferably nailed framing anchors; or if so designed use joist hangers to ledger, fascia or beam. To apply the multiplier: Attach rafters to the beams using galvanized skew nails, or for a cleaner and stronger finish, use hurricane ties or rafter hangers. For buildings where the design wind speeds are less, a multiplier is used to determine the permitted span for the given rafter size and spacing. For Very High wind zone, multiply the maximum beam spans For Extra High wind zone, multiply the maximum beam spans *The beam lengths have been limited to a maximum of 6m. 1 Rafters for all wind zones (see Figure 2) can be used for rafter spacings at 1200 mm (see Note 4 in Table 10. PL8 Prolam® Pergola Rafters Tables are for wind zones up to High. Buy online today. In this article, we outline the various requirements for pergola designs or louvre roofs in New Zealand, including maximum blade span, beam spans, and consent obligations. hwcy vdug jlj dur heocoq rjt jfdxrtfr fznu xadjq hpyuwihj