Corrugated Steel Roofing: How to Address Problems with Denting and Excess Noise
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Corrugated Steel Roofing: How to Address Problems with Denting and Excess Noise

Introduced in the 1850s, corrugated sheet metal roofing was mainly used for agricultural, commercial and industrial purposes. Barns and industrial buildings with sheet metal roofing were a common sight. Though rarely used for residential purposes, the popularity of metal sheet roofing dropped because of the various problems associated with it. One of the most common drawbacks of corrugated metal roofing sheets was rusting. Nowadays, more specialized metal roofing sheets are available with rust-resistant features. With the advent of these advanced versions, people have started recognizing these sheet metal roofings fit for residential and commercial roofing once again.

What is Corrugated Sheet Metal Roofing?

Most of us are familiar with corrugated cardboards, used to make cartons, boxes and shipping containers. Corrugated cardboards, made of flimsy paper, are more rigid and stronger than a stack of plain paper. This is due to the wavy pattern in which the papers are arranged. The same principle applies in case of corrugated sheet metal roofing too. Corrugated metal sheet roofing uses metal sheets as roofing material which have a wave-like pattern (with ridges and grooves). This pattern gives them extra strength, despite being lightweight. These corrugated metal roofing sheets are stronger than plain metal sheets.

Corrugated sheet metal roofing is available in copper, aluminum, zinc alloy and stainless steel. All these types vary in their features like durability, appearance and cost. Among them, aluminum is most preferred for residential purposes, as it is inexpensive and extremely lightweight. It is also durable and is resistant to rust, even if there is no coating, though for better looks and a longer lifespan, they are usually coated and painted. Stainless steel corrugated sheets come with a 'terne' coating, which gives a natural matte-gray finish to the roofing. However, this type is very expensive. Corrugated metal sheet roofing is also available in copper. They are resistant to rust and corrosion, and are very easy to install, but very expensive. Metal sheet roofing can also be made of alloys, which are very strong and durable, but again, the cost of alloys are on the higher side.

Corrugated Sheet Metal Roofing - Pros and Cons

The manufacturers of corrugated metal sheet roofing have rectified the flaws associated with this roofing material such as rust and corrosion, which were the main reasons for the drop in its demand. Now, the modern versions of corrugated metal roofing sheets are not only made resistant to rust and other natural elements, but are also in sync with the latest trends. These features have helped a lot in its revival as residential roofing material.

Advantages of Corrugated Sheet Metal Roofing

* The most popular feature of this roofing material is its durability. These roofing sheets can easily last for about 20 to 50 years.

* Corrugated metal roofing sheets are treated and coated with chemicals to prevent the growth of algae and mildew. They are also resistant to rot, rust and insects.

* Other beneficial feature include its non-combustible nature. These sheets have a Class A fire rating, which is the highest rating as far as fire-resistance is concerned.

* They are also lightweight, which facilitates easy installation and reduces the load on the roof structure.

Disadvantages of Corrugated Sheet Metal Roofing

* One of the common problems of corrugated metal sheet roofing is that it is prone to denting. It can be caused by any heavy object which falls on the roofing. Even hailstorms can lead to dents in your metal sheet roofing.

* Another drawback is the high cost of installation, but this is usually offset by the very less maintenance or repair work required by this type of roofing.

* Most people also complain about the noise created by rain falling on these metal sheets. This, however, can be reduced by using any insulation beneath the sheet at the time of installation.

* Corrugated sheet metal roofing, though long lasting, may scratch, chip, peel or fade with time.

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