Metal Roofing Marine Environment

When building within one kilometre of the coast please refer to the building code of australia.

Metal roofing marine environment.

It does not contribute to the contamination of rainwater. Though not all metal roofs will corrode at the same rate over time the salty sea air and the humidity will react on metal roofing and it will deteriorate. Once the purlin spacing is determined then the metal roofing panels are typically attached to every line of purlins. This will depend upon the type of panel that is used and the thickness of the steel.

A leaky roof is never just a leaky roof you might also need insulation replacement mold abatement and more. The bca provides standards for coatings on external structural steelwork in relation to the distance from salt water and the distance from breaking surf. Screw line spacing for metal roofing over metal purlins. The common material of choice for inland metal roofing is a zinc aluminum coated steel often referred to by the trade name galvalume.

Standard asphalt and clay tile roofing with metal roofing systems. Our metal roofing and cladding systems protect like no other material and system can. An engineer will use a load chart in order to determine the spacing between metal purlins. Metal roofing is a hydrokinetic material which allows water and snow loads to shed from the roof plane.

Such a massive failure would cost far more than picking a stronger metal in the first place. When it comes to choosing a metal roof panel for a project in a coastal environment decisions need to be made on the type of substrate paint system and more. Therefore it is one less concern for well and cistern users. Corrosion and saltwater resistive oceanguard is the perfect choice for water bound projects on or near shoreline properties.

The substrate type paint system accessories and design are all very important when building in a coastal area says vondran. Metal roofing does not support mildew or algae and is not produced with petroleum by products. Testing and experience in the roofing industry has shown that metal roofing products are very susceptible to sea water and if they are too close to the ocean corrosion will occur. Copper also excellent in marine environments looks great but is considerably more expensive.

Metal s usage in direct coastal applications has been limited however due to its inability to withstand the corrosive effects of the sea s salt laden air. Zinc for example is particularly suitable for marine environments while stainless steel in the appropriate grade lasts longer. For instance coastal envrironments within 100 metres of breaking surf are classified as a severe enviroment and bluescope lysaght recommends the use of colorbond ultra steel these situations. Each commonly used roofing and cladding metal however has its particular pros and cons.

November 10 2014 by russell steel with comments are off for this post.