More than 30 years of know-how at your service

If you are looking for a reliable company with a solid reputation in the construction of conservatories, entrance gates or terrace and balcony enclosures, you've come to the right place! BTA SA is a company with 30 years of experience in the aluminium joinery market throughout French-speaking Switzerland.

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Demand the best for your veranda

The BTA SA team is trained and experienced to ensure that you get the best work done on time. Whether it's a conservatory or a pergola, we manufacture everything in our workshops in the Valais and come directly to deliver and install it on site. In this way, we control every stage in the creation of your conservatory or bioclimatic pergola and ensure your satisfaction.

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Our products

BTA SA is a team of around twenty professionals who will take care of every stage in the creation of your veranda, from design to installation. Here are our different products:

On the verandas

We offer all types of verandas: classic, broken angles, angles with hips, simple or bespoke roofs.

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Terrace and balcony enclosures

Create an extension to your home by enjoying your balcony or terrace all year round thanks to our shutters.

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Airlock

An airlock allows you to have an ideal storage space between your indoor and outdoor areas, while providing you with comfort.

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Our windows

New or renovated aluminium windows are synonymous with thermal comfort and durability.

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