Metal Roof: The Challenges


Roofs made of metals unfortunately require a large amount of grey energy to produce. In an ideal world, you would opt for recycled materials with lower embodied energy.

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However, no material is perfect. It is the sum of the qualities and the faults which makes it possible to make a choice. Despite this defect in metal roofing, its durability more than compensates for this drawback. This is why it is considered to be very ecological.

Noise on the metal roof

The metal roof, like all other roofs, is obviously exposed to the elements falling from the sky. Thus, rain and hail can create noise on contact with the surface. This is a fairly minor point since the attics are now well insulated and therefore better soundproofed.

Cost of a metal roof

From the outset, the price for a metal roof is quite high. There is no escaping it. However, don’t let the price put you off at first. A metal roof or bumbung besi has indeed become very profitable over the years. Let’s not forget that it has a lifespan of at least 50 years, which represents 3 asphalt shingle roofs!

It is still good to know that several factors can influence the price of materials and the price of the installation, if you are not the one doing the installation. 

For the installation, the influencing factors will be:

  • The condition of the current roof
  • Its accessibility
  • Its dimensions
  • The curves
  • The number of slopes and valleys

The factors that influence the price of the roof itself are:

The thickness of the material, paint (major element of protection), the installation or not of an under-roof membrane, the installation technique (for example, a standing seam roof takes more time to install but offers a more aesthetic appearance and protects more against infiltration), the level of detail in the roof (example: skylights) and many more.

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