Difference Between Spandex and Galvalume Roof – The roof is the most important part of a building. The quality of the roof determines the level of safety and comfort within the building.
In the construction world, the two materials that are commonly used to make a roof are spandex and galvalume.
Both have their respective advantages, but there are significant differences that need to be understood before you decide to use one of these materials.
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Through this article, we will discuss some of the difference between spandex and galvalume roof, but before going into that topic, let’s take a deeper look at spandex and galvalume first!
Table of Contents
What is Spandex and Galvalume Roofing?
1. Spandex
Spandex roof is a type of roof made of spandex material, which is a mixture of aluminum and zinc. This material is quite popular because of its lightweight but strong properties.
Spandex has a relatively flexible structure, so it is easy to shape according to building needs.
In addition, spandex is also corrosion resistant, so its wear life is quite long. Another advantage of spandex is its relatively affordable price compared to other roofing materials.
2. Galvalume
Galvalume roof is a type of roof made of galvalume material, which is a mixture of galvanic and aluminum. This material has a high degree of corrosion resistance and extreme weather.
Galvalume has advantages in terms of impact resistance and high structural strength. In addition, galvalume also has good heat absorption, so it can help keep the temperature inside the building comfortable.
Although it is a little more expensive than spandex, these advantages make galvalume an excellent choice for building roofs that require a high level of safety and durability.
The Difference Between Spandex and Galvalume Roof
1. Materials
Spandex is made of a mixture of aluminum and zinc, whereas galvalume is a combination of galvanic and aluminum.
This difference not only affects the strength and corrosion resistance of these two materials, but also affects weight and ease in the production process.
Spandexs, with a simpler composition, tend to be lighter and easier to shape, while galvalume, although stronger, may be more difficult to process.
2. Heat Absorption
Although both are made of aluminum and zinc, the heat absorption of the two is different. Spandex tends to be hotter than galvalume because of its higher conductive properties.
This can affect the temperature in buildings that use spandex roofs, especially in areas with hot climates.
On the other hand, galvalume has a lower heat absorption, so it can help keep the temperature inside the building stable.
Also Read: “5 Types of Metal Forming Processes“
3. Structure and Function
Spandex is commonly used for roofs, walls, or room seals because of its lightweight and easy to install properties.
However, galvalume is more suitable for partition frames, fences, and decorations due to its higher strength.
Galvalume is also more resistant to pressure and impact, making it ideal for use in buildings that require strong structures.
4. Installation Process
Spandex and Galvalume have different degrees of installation difficulty levels. Spandex is easier to install because it is lighter, so it takes less time and less installation costs.
And on the other hand, a galvalume requires special care in its installation because it is heavier and has a more complex structure.
5. Thickness
Spandex is generally thinner than galvalume. This needs to be noted especially for the noise generated by rain or impact.
Though thin, spandex can still provide good protection against extreme weather. While Galvalume, with a larger thickness, can provide better protection against noises.
6. Durability
Spandek tends to last longer and more durable than galvalume due to its lower corrosion properties. However, galvalume has better corrosion resistance than spandex, especially over longer periods of time.
This makes galvalume more suitable for use in buildings that require additional corrosive protection.
Also Read: “5 Types of Metal Roofing Materials“
So there you are the difference between spandex and galvalume roof to consider before choosing the roof material for your home!
Other than that, make sure to choose the one with the SNI certification, as the roof that is already SNI certified has much better materials.
