Fixing Corrugated Iron Sheets

Sheets must be properly affixed according to the type of sheeting you re using.

Fixing corrugated iron sheets.

Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. For walling you may use either crest or valley fixing. Cladco offer a range of fixings. Corrugated sheeting can also be overlapped which often avoids the need for reducing the lengths by cutting.

Crest fixing and side lapping. The general advice for fixing is 4 5 screws across the sheets purlin we advise using 1 screw on the overlap of the next sheet. Using sheet metal cutters. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.

You can place screws through the crests or in the valleys. If practical lay sheets in the opposition direction to the prevailing weather. Fastening sheets to supports. A corrugated metal roof is quieter than pvc when it rains.

Corrugated sheet roofing material is widely available and easy to use. Our products are pierce fixed to steel or timber supports. Corrugations should run in a straight line between the highest and lowest points and at a right angle to the purlins the intermediate supports. Corrugated metal profiles for walling applications may be valley fixed providing the sealing element is designed and shaped to ensure a seal against the curved valley profile.

Corrugated roof sheets. To fix the sheets each tileform sheet has 5 troughs for securing we recommend you fix the sheet into trough 1 3 and 5. For corrugated sheets the fixings required will depend on the material used in the purlins. All profiles are designed for only one rib to be overlapped to ensure the water tightness.

The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets. Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer. Installation of stramit corrugated roof and wall cladding is a straightforward procedure using the following fixing sequence. To avoid moisture entering laps by water action metal sheets are slightly modified to manage this problem.

To maximise watertightness always place roof screws through the crests. When fixing through the sheet directly into a timber purlin a 65mm timber tek screw is recommended. Ensure all purlins are in. As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head.

From there the method used to fix a particular leak depends on the cause. Stramit corrugated roof and wall cladding can be installed with or without fibreglass insulation blanket. Corrugated sheet roofing. The overlaps ends and sides depends upon the sloop of the roof.