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COLORBOND Corrugated Iron Roofing Sheets Corrugated Colorbond Diagram Corrugated Iron Fasteners Diagram

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.48 BMT - COLORBOND® Roofing Corrugated Iron sheets are Australia's most popular roofing sheet profile.

What is the Steel thickness?  
.48 BMT is the standard thickness of our Australian Made BlueScope Steel sheets. Please see further listings if you require standard .42 BMT sheet.

What is the sheet cover?
762mm (which allows for the 1.5 rib overlap) The actual sheet width of corrugated iron is 850mm.  

How much should I allow for the sheets to run into the gutter?
We recommend 50mm overhang into a standard gutter.

Delivery takes approximately 3 - 4 days.

COLORBOND® Roofing Corrugated Iron - .48 BMT

What is the Steel thickness?  
.48 BMT is the thickness of these Australian Made BlueScope Steel sheets. 


What is the sheet cover - 
762mm (which allows for the 1.5 rib overlap)

How much should I allow for the sheets to run into the gutter?
We recommend 50mm overhang into a standard gutter.

What is the ACTUAL sheet width? 
The actual sheet width of corrugated iron is 850mm.  


Which fasteners do I use for installing the roofing sheets?
Here at Metal Roofing Online, we only use and recommend Class 4 screws when installing your roof sheeting as they last considerably longer in the elements. In a standard roofing application, when fixing to either timber or metal purlins, we have in our range a Multifix screw which is the perfect choice for this roofing iron. These are able to colour matched to your sheets. 

 

 


Corrugated Colorbond Iron Roof Sheeting is one of the most durable, long-lasting roofing materials available and it’s virtually maintenance-free.

 

The sheets are pierce fixed, which ensures easy fixing by the conventional method. To ensure maximum weather protection our product has a 1.5 rib overlap.

 

The wide cover (762mm) allows for quick installation, saving on both materials and labour. This versatile profile can be used on a minimum roof pitch of 5 degrees.

 

Here at Metal Roofing Online, we only use and recommend Class 4 screws when fixing roofing as they last considerably longer in the elements. In a standard roofing application, when fixing to either timber or metal purlins, we have in our range a Multifix screw which is the perfect choice for this roofing iron.

 

When using the corrugated iron sheet in a wall cladding application, there is choice between 12 gauge x 25 mm timber fix screws, when fixing into timber. Othewise, 10 gauge x 16mm will do the trick when fixing into steel.These screws are shorter as they are fixed into the pan (or valley) of the corrugation.



Please consider a couple of factors when deciding whether you need .42bmt or .48bmt sheets as roof covering:

Your batten spacing
How often the roof will be walked upon


The maximum recommended support spacings are based on testing in accordance with AS1562.1-1992, AS4040.1-1992 and AS4040.2-1992.

Roof spans consider both resistance to wind pressure and light roof traffic (traffic arising from incidental maintenance).

 

Maximum Support Spacings (mm)
Types of Span BMT (mm)
0.42 0.48
Roofs
Single Span 700 800
End Span 900 1300
Internal Span 1200 1700
Unstiffened Eaves Overhang 200 250
Stiffened Eaves Overhang 300 350
Walls
Single Span 1800 1800
End Span 2500 2700
Internal Span 2700 2700
Overhang 200 250

For roofs: the data are based on foot-traffic loading.
Walling Sheet spans - please consider wind pressure only.






Why Corrugated Iron Roofing

With everyone imagining that their house is a pillar of architecture, innovation in construction has risen to another level. With new designs and facilities, one must also consider safety and expense plan. Although the real focus is on the interiors and shading schemes of the house, one should not forget the importance of the roof, which shelters us. Different roofing systems. Not many know about the different roofing arrangements and, without knowing it, you can negotiate with them. One should be aware of some roofing designs, and one of them is corrugated iron roofing. Corrugated iron roofs also have options for aesthetic value. The roofing provides beauty, protection, and expanded value for the home. There may be designs and textures that can make it look like wood or other material, but the metal does not twist, break, split or mould. There is no routine maintenance or replacement to treat. Why Corrugated Iron Roofing is the best.  Over the years, our roofs have been covered with fibreglass with tar and glued stones. But the years ended, the worn out rocks and the weakening of the tile cause spills and structural damage. Wood is also another material that must repeatedly be replaced and requires a lot of maintenance, time and costs. Over time, the wooden roof becomes unsightly and accelerated putrefaction would lead to a premature disillusionment of the roof. Clay tiles or solid tiles are another option and have problems such as water intrusion and division through moisture due to its permeability. Since the various options have a higher degree of disadvantage, the corrugated iron roof seems to be a better arrangement. After ordering the ceiling, the wall covering is another critical problem. The interiors can now be maintained, but the exterior walls never focus too much; although they make a piece of the first aspect of the house. The covers of the walls should be, for the most part, such that they repel dust and moisture and that they are not affected in each of the stations. And paints with such reflections should be an additional advantage. In this way, focusing on the right approaches would make a beautiful house stronger and safer. Buy your COLORBOND® roof in Metal Roofing Online. With motion forming machines and high-precision component forming, you can be assured of the quality, reliability, and honesty of coloured corrugated iron roofing plates. These sheets are available in Metal Roofing. These roofing sheets also have an excellent Australian Bluescope Steel, hostile to corrosive and trustworthy, covered by warranty, comfortable and safe web-based ordering, fast transport and weather protection properties, ensuring low maintenance and long durability of the roofing system.