Purlin Spacing For Corrugated Roofing Nz

Corrugate metal roofing is a firm favourite with kiwis because of its truly classic look that is great on all different styles of building.

Purlin spacing for corrugated roofing nz. Roof pitch 10 min. To install corrugated roofing start by cutting your panels to length with an angle grinder. Purlin metalcraft corrugate roofing pre finished self drilling tapping screw with rubber washer building paper shown dashed 1 5. The introduction of nzs 3604 in 1978 gave specific requirements for rafter purlin and ceiling joist sizes and spacing.

Nz s leading provider of metal steel roofing products for residential commercial customers. Patterns should be based on a given wind speed ask them for a roof plan giving purlin spacing and serviceability design loads. Purlin end span spacing refer table x purlin mid span spacing refer table x barge capping laserlite screws. If a building is being designed and constructed in full accordance with e2 as1 and roofing and cladding products as covered by that document are chosen then it is necessary for the design spans and fixing methodology to comply with those of e2 as1.

Suntuf is supported on the structure via purlins these are the bearers that run left to right along the width of the roof the maximum purlin spacing for the corrugated profile is 800mm centres on the first and last purlins and 1 meter centres for the intermediate purlins. Long lengths of pierce fixed roofing will impose added loads to the purlin connection due to thermal movement of the roof. Step 3 purlin spacing. On site framing of gabled roofs generally used couple close construction that is where each pair of rafters are tied at their bases by ceiling joists to prevent spreading.

For roofing purlin batten spacings should be no more than those shown in table x maximum. Or ultimate loads in respect of clip fastened products ultimate loads can be converted to serviceability loads if necessary by applying a factor of 71 in all parts of the country. Range of corrugated roofing. Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.

Very high wind zone 2. Radius of 3500mm for corrugated and greca profile life of the sheet may be shortened and discolouration may occur due. Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart. Used for both roofing and cladding you ll never go wrong with classic corrugate.

In terms of purlin spans and girt spacing it is necessary to follow due process. Low medium high wind zones 2.