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Availability & Delivery

We at Metroll have a policy of supplying Metlok® 700 in a prompt and efficient manner. Please contact us for the relevant delivery days to your area. You can help us to supply you material in good order by ensuring that you have made suitable arrangements to have our trucks unloaded. To prevent damage when lifting long lengths of sheeting by crane please take care to ensure that the load is spread. Where a crane cannot be made available it is the customers responsibility to provide sufficient labour to assist the driver in unloading.

Preparation

Ensure that the tops of the purlins or battens are all in one plane by packing or easing between purlin and support-not between purlin and clip.

Handling of Material

When handling Metlok® 700, care should be taken at all times to preserve the quality of the finish. Packs should be kept dry and stored above ground level whilst on site. However if sheets do become wet, they need to be separated, wiped and placed in the open to dry.

Walking on Sheeting

When walking on Metlok® 700 roof sheeting always wear flat rubber soled shoes and be careful to walk over areas where you have purlin or batten supports. The specified
walking path on Metlok® 700 is either pan next to the lapped edge ribs.

Installation

The profile of Metlok® 700 consists of four (4) ribs connected by three (3) intermediate pans. The female rib is fitted over the top of the male rib and securely clips into position. Specially designed clips are used to secure the Metlok® 700 sheeting down onto the supports. Each clip has three (3) legs- two long and one short clips which correspond to the centre and female ribs of the Metlok® 700 sheeting.

The short rib allows clamps to the short rib down. The clip allows the installers a slight amount of bracket creep to accommodate out–of-square buildings or other installer requirements. Clips are packed on their side to facilitate easier handling out of box .To determine the number of clips required - as a general guide; one clip per batten/purlin per sheet plus clips to start and finish laying.

Fasteners

For Timber (F11 or Better)
T17 No. 10 x 25mm CR drilling screws

For Steel Supports (0.17 BMT or Greater)
Tek No. 10 x 16mm CR self drilling and threading screws.

Fastening Sheets to Supports

Metlok® 700 may be crest fixed to timber or steel roofing or walling supports, or valley fixed to steel supports or timber walling supports. Fasteners need to be located at less than 25mm from ends of sheets.

Stop Ending

For roof pitches below 15°, turn the pans at the top of sheets up 90 degrees using a turnup tool. This prevents the entry of water that has been driven by the wind beneath the flashing.

Lipping

For roof pitches below 15°, turn the pans at the bottom of the sheets down at 30° using a turndown tool to prevent water running back along the underside of the sheet. Note: Turn Up & Turn Down Tools can be ordered with sheeting.

Scope

Where indicated on the drawings, provided and fix (concealed clip) rib and pan roof sheeting having ribs of truncated triangular shape sheets need to be laid in such a manner that the approved side lap faces away from the prevailing winds. A minimum of 50mm needs to be provided fro projection into gutters.

Flashings need to be provided in compatible material as specifies and minimum cover for flashings needs to be 150mm. All work needs to be fixed in accordance with AS1562.1, AS2179 ,AS2180 and AS3566 leaving the job clean and weather tight. All debris and waste products including nuts, screws, cuttings and fillings need to be cleaned off daily.

COLORBOND® and ZINCALUME® are registered trademarks of BlueScope Steel Limited.