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I wish to change the wooden shutters of my main residence. I am looking for a product that does not require maintenance (painting) and has characteristics comparable to those of wood (thermal and sound insulation, strength, stability...). Which product will you recommend between aluminum and composite? What are the advantages and disadvantages of one over the other? I was told that the composite worked with the sun and the cold; closing problem. Is there a reference mark for composite shutters?

The shutters are available in wood, in aluminum, in PVC and in composite materials
- The wood retains the advantage of change of color over time, but it is also a maintenance constraint.
- Aluminum is currently very fashionable, by its appearance, its resistance in the long term, the choices of colors, the insulation level, the burglar resistance.
- PVC remains in high demand for reasons of cost and limited maintenance. The burglar resistance is more limited. Many shades are also possible, and more durable than before, thanks to the technique of plaxing.
- Composite shutters are also interesting because they do not require maintenance and benefit from a very good level of insulation. Stability problems were mentioned at the time of the first commercializations or on fabrications... far away.
The quality labels are Qualicoat, Qualidecor and Qualimarine for the thermolaquage (aluminum shutters), Some components benefit from NF certification. Some PVC shutters have an "FDE & S" "PVC Shutters". The NF - VEMCROS label (wind, mechanical endurance, maneuvering, impact resistance, sunshine behavior, occultation) is issued by CSTB. The higher the number associated with each letter (from 1 to 6), the higher the performance.

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