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For both roofing and cladding, zinc wins the most votes thanks to its lightness and malleability. Here are all the advantages of a zinc house extension.
Long confined to gutters and water drainage systems, zinc triumphed in the 19th century , particularly in Paris. Haussmann adopted zinc roofing combined with slate for Parisian roofs to solve waterproofing problems and increase the height of roofs to accommodate an ever-increasing population.
Today, zinc is making a spectacular breakthrough in construction, bringing modernity to the facades and roofs it covers . As part of an extension, whether raised or on the ground floor, zinc can be used in many forms. While some projects limit the zinc roof extension (the covering), other architects combine it in a total look version (roof, cladding, gutters, etc.).
A zinc extension: all the advantages of this material
This type of extension adapts to all styles : brick houses, concrete block houses, old houses as well as contemporary houses. It also goes very well with other materials, such as a wood and zinc extension for example.
As can be seen in Paris, zinc roofing is a solution suitable for flat roofs as well as roofs with beautiful curves .
The zinc extension will be durable . This material ages without alterations and only needs to be renewed every 50 to 100 years. In addition, its manufacture uses little energy.
On roofs, the natural oxidation of zinc prevents the growth of moss.
It is a completely recyclable material .
For an extension in total harmony with the region, the zinc is adorned with green, blue, red, gray or black reflections.
The choice of textures (satin, matte, glossy) offers numerous possibilities for customization.
It goes well with all materials (wood, stone, glass, steel, etc.).
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The disadvantages of zinc in construction
Like any material, zinc has some drawbacks. Among these, we can mention its difficulty of installation. Indeed, the malleability of the material necessarily requires the intervention of a specialist. Furthermore, if zinc is a good thermal insulator, the same is not true for the sound aspect. In case of heavy rain, the noise of the drops on the facing quickly becomes deafening.
Zinc is also expensive. Expect to pay between €40 and €80 per square metre for zinc cladding excluding installation. On average, the price per m² of a zinc house extension is between €1,500 and €3,200 depending on the desired finishes.
Good to know: zinc is incompatible with certain materials. These include carbon steel, plaster, lime, cement, as well as oak and chestnut. Before considering zinc as a roofing or cladding material, it is therefore necessary to check whether this is technically possible.
Zinc in construction for what use?
In single or ribbed sheets, or even in slates, zinc is increasingly used in construction. Its longevity, its malleability, but also and above all its natural talent for enhancing all the materials it adjoins make it a leading material for construction.
Zinc for covering a roof
Zinc has been traditionally used for decades for roofing. Its malleability allows it to fit all shapes, even the most complex, from flat straight to rounded shapes.
As part of a house extension, zinc adapts to all slope regimes. It can be used from 5% up to vertical. Zinc is therefore a good option for covering a flat roof.
Zinc to dress a facade
The extension with zinc cladding is particularly attractive for the cladding of the upper part. Covering the roof and the facade, it gives a very modern style to the house while providing part of the insulation . The effect is particularly successful for extensions with a flat roof.
Zinc cladding is also perfectly suited for a house extension. The lightness and malleability of zinc avoid building a floor that would weigh too much on the structure. In addition, a house extension project with a zinc roof is carried out very quickly and cleanly. This is an additional advantage for an extension.
Zinc for rainwater drainage
Zinc has long been used to create gutters and roof seams: hips, valleys, banks, chimney flashings, etc.
How much does a zinc extension cost?
In terms of materials, zinc is in the middle range: between €70 and €150 per square meter. The complexity of the cladding and the extension cover will vary the price.
Are you considering extending your home with a zinc extension? Take advantage of the expertise of your local professional now during a free, no-obligation consultation visit!