Is there really a big difference in insulation between ordinary ceramic tile roofs and iron sheet roofs? The insulation coefficient is here, one is 0 and the other is 0.02, both of which are similar and have little effect on insulation.

Thermal insulation coefficient of stone coated metal roof

Hello everyone, many people have had a question before. Is the insulation of the iron roof worse than other tile roofs? Actually, it may not be like this. If you want to know what kind of roof insulation is good, or how to improve the insulation ability of roofs, all you need to do is read this article.

Firstly, to understand insulation, you need to know something called R value, also known as thermal resistance coefficient, which represents the material’s ability to block heat. For a house, the higher its total R, the better its insulation. So the total R value of the roof is very important for keeping the house warm in winter and cool in summer. So it is said that the insulation of iron wall roofs is worse than that of tile roofs. Now we need to take a look at the thermal resistance coefficients of iron sheet roofs and ceramic tile roofs? This is provided by the Australian Building Code NCC. You can see that the two of them, one is 0 and the other is 0.02, are simply pulling the bigger one out of the shorter ones, and they actually have no effect on insulation.

Stone coated metal roof loft

So what material can provide insulation? You wouldn’t think it was actually air. That’s right, air can also be a thermal insulation material. If the air on the roof is thicker, the R value will be higher, so sometimes you can find that if a house has a huge attic on top, it is generally cooler in summer. If it is flat topped, the house will be hotter in summer.

In addition, if you are someone who is afraid of heat, there is another method besides increasing the R-value of the roof. There is now a material called stone coated metal roof, which works by reflecting the sunlight that originally hit the roof back. This way, your indoor space will cool down instantly because all the heat comes from sunlight. This material can reflect 77% of the heat, which is equivalent to the vast majority of the heat that should have entered the house being lost. This is more suitable for houses with very high insulation requirements, but of course, this material will also be more expensive than ordinary iron roofs.

Nosen Stone Coated Metal Roofing Tiles

Overall, increasing the heat resistance of the roof can be achieved through 1. raising the height of the attic and 2. using stone coated metal roof. I think the most cost-effective option is to use stone coated metal roof, which can double the insulation performance with just a little extra money. The least cost-effective option, in my opinion, is to increase attic space. If you find it useful, you can follow our SKW official website and continue to bring you more hardcore knowledge about roofs. See you next time, goodbye.

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