Stone coated metal roof tile is a new type of roof tile that is popular now. What material is this roof tile made of?
Stone coated metal roof tile is made from galvalume steel sheets, and then coated with stone granules.
First, the stone in Sangobuild stone coated metal roof tiles are called roofing granules. The granules are manufactured from natural stone which was mined at a quarry, then crushed and screened to various sizes. The granules are manufactured in such a way that when applied to and embedded in our acrylic base coat, the particles fit together to provide the maximum coverage for our roof panel surface.
The granules achieve their vivid colors through a process where the stone particles are coated with a combination of pigments similar to paint. The pigment slurry mixture, once applied to the stone, is baked on at high temperatures causing the pigment mixture to coat the stone in a ceramic process.
Of course, many people will worry whether these colored stone granules and color will start to fade after a few years? The answer is no. Usually, the stone coated metal roof tiles produced by regular manufacturers will not lose the color of the colored stone granules on the surface for life. In addition, these colored stone granules not only make the tiles more decorative and beautiful, but also protect the underlying "substrate" and reduce rain noise.
Next, let's talk about the substrate of the roof tile. The stone coated metal roof tile has a characteristic, the weight is generally only 1/6 of the traditional tile. Why can it be done so lightly? The answer lies in this substrate. This substrate looks very "thin", and it looks like a plastic plate, but its true identity is "galvalume steel sheet", it is made of two main metal materials, aluminum and zinc, plus other auxiliary materials.
And there will be a layer of anti-fingerprint coating on the galvalume layer, so that the steel sheet has strong hardness and corrosion resistance. This kind of steel sheet material also ensures that the roof tile can have a service life of 30 to 50 years.
From the perspective of construction, this galvalume steel sheet material not only has a long life and high hardness, but also saves trouble and labor in the actual installation of the construction personnel. The previous roof tiles required high manpower and material loss costs due to their bulkiness and fragility. Stone coated metal roof tiles can save this cost.
In terms of resource utilization, the metal material of stone coated metal roof tile is destined to be recycled again. That is to say, if we want to renovate the house in the future, the original stone coated metal roof tiles of the house can be reused to avoid waste of materials and ecological pollution.
Generally speaking, stone coated metal roof tiles are very competitive in the current roofing building materials market, and they are likely to gradually occupy the roofs of every household in the next five to ten years.
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