Wear thick gloves when working with the metal roofing sheets and keep safety goggles on at all times.
Corrugated iron roof sheets overlap.
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 sheet roofing material is widely available and easy to use.
Important due to the nature of the overlap detail we would highly recommend the use of butyl sealant when using brit tile sheets.
It is usual to allow roof sheets to overlap into gutters by about 50 mm.
Sheets should be checked to ensure that the top side faces upwards.
Position your sheets on the ground before raising to the roof for laying.
This is due to the corrugated form factor and innovative materials which include bitumen fibres and galvanised steel.
The overlaps ends and sides depends upon the sloop of the roof see below.
The valleys of sheets should be turned down at lower ends and turned up at upper ends.
Cover width entry in meters eg.
Corrugated sheets are among the toughest roofing materials available to diyers.
4 3 sheets will be 5 sheets required.
Secure the sheets into place with screws.
One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.
The length of roof sheets are manufactured to your requirements.
For cover width sizes please refer to our fibreglass or polycarbonate roof sheeting pages.
The overlapping sheet edges should be raised facing the direction of installation i e positioned the same way as the other sheets.
Whether you re working with tin roofing sheets performing corrugated roof sheeting installation or handling a different metal material working with metal means an increased probability of being cut especially when working with power tools.
Number of roof sheets rounded off to highest number eg.
Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.
The sheets should overlap by at least four inches add a bead of caulk where they overlap and at the other end of the building ensure there s an overhang of two inches.
686mm 0 686 3.
Once the first sheet is in place you need to install the remainder of the lowest row of corrugated metal roofing.
There are many old metal corrugated roofs in sydney with 6 foot 2 4m long roof sheets lapped together along the lengthy of the roof.
And because end lapping of corrugated roof sheeting was so common back then the old roofers knew how to install the roof sheeting so that the laps did not leak.
For maximum weather tightness start laying sheets from the end of the building that will be in the lee of the worst anticipated or prevailing weather.