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.
Fixing corrugated iron sheets.
One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.
Cladco offer a range of fixings.
Our products are pierce fixed to steel or timber supports.
From there the method used to fix a particular leak depends on the cause.
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.
Fixing leaks in a corrugated metal roof starts with locating the source of the leaks.
To avoid moisture entering laps by water action metal sheets are slightly modified to manage this problem.
You can place screws through the crests or in the valleys.
To fix the sheets each tileform sheet has 5 troughs for securing we recommend you fix the sheet into trough 1 3 and 5.
All profiles are designed for only one rib to be overlapped to ensure the water tightness.
How to install corrugated iron roof sheets.
Crest fixing and side lapping.
Ensure all purlins are in.
Stramit corrugated roof and wall cladding can be installed with or without fibreglass insulation blanket.
When fixing through the sheet directly into a timber purlin a 65mm timber tek screw is recommended.
Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer.
Corrugated roof sheets.
To maximise watertightness always place roof screws through the crests.
For walling you may use either crest or valley fixing.
Corrugated sheet roofing material is widely available and easy to use.
The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets.
Using sheet metal cutters.
Corrugated sheet roofing.
Corrugated sheeting can also be overlapped which often avoids the need for reducing the lengths by cutting.
Installation of stramit corrugated roof and wall cladding is a straightforward procedure using the following fixing sequence.
Sheets must be properly affixed according to the type of sheeting you re using.
Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.
Corrugations should run in a straight line between the highest and lowest points and at a right angle to the purlins the intermediate supports.
If practical lay sheets in the opposition direction to the prevailing weather.
For corrugated sheets the fixings required will depend on the material used in the purlins.
Fastening sheets to supports.
The overlaps ends and sides depends upon the sloop of the roof.