Our company has been at your service since 1960! Member of SSE and CEFN (Chambre des Étancheurs Fribourgeois et Neuchâtelois) Training company Some references :EMS Vuisternens-devant-Romont, Ateliers de la Glâne in Romont, Police building in Granges-Paccot, "St-Léonard" basketball hall in Fribourg, Swisspor SA (administrative building) in Châtel-St-Denis, Drognens barracks, UCB Farchim in Bulle (administrative building), Cremo in Villars-sur-Glâne, HFR Fribourg and many others. Our fields of activity Bituminous waterproofing Synthetic waterproofing Resin waterproofing Thermal insulation Resin shower waterproofing Flat roofs with slabs Green roofs Self-protected roofs Renovation of balconies, flat roofs and terraces Tinsmithing Roofing We are also at your service for Studies and estimates without obligation Expertise Maintenance of your roofs Calculation of the CECB thermal balance

Das Team der Fa. Hasler hat uns bei der Umsetzung von unserem neuen Dachfenster super beraten, das Baugesuch erstellt und die Arbeiten sehr sauber und speditiv erledigt.

J'ai eu recours à l'entreprise pour divers travaux tels que modification et amélioration du jardin d'hiver, réparation des chéneaux et à présent l'isolation de la façade sud et j'en suis très satisfait.

Our depot workshop is located at the following address: Chemin Champ-Francey 120, 1630 Bulle Tinsmithing, waterproofing, roofs, coverings. A team of professionals at your service for all new or old constructions, roofing, tinsmithing, roofs. Treat yourself to the services of a specialist! Mission and Specialisation Queiros SA studies and realises all projects, from small transformations to large conventional or special installations in the canton of Fribourg and in French-speaking Switzerland in the following fields. Products, services Our fields of activity and services: Tinsmithing, roofing, roofing, waterproofing, ventilated facades, transformation and renovation, maintenance, servicing, repairs and rapid intervention for all areas of activity. We have complete and regularly updated tools for all work. Translated with www.DeepL.com/Translator (free version) Our depot workshop is located at the following address: Chemin Champ-Francey 120, 1630 Bulle Tinsmithing, waterproofing, roofs, coverings. A team of professionals at your service for all new or old constructions, roofing, tinsmithing, roofs. Treat yourself to the services of a specialist! Mission and Specialisation Queiros SA studies and realises all projects, from small transformations to large conventional or special installations in the canton of Fribourg and in French-speaking Switzerland in the following fields. Products, services Our fields of activity and services: Tinsmithing, roofing, roofing, waterproofing, ventilated facades, transformation and renovation, maintenance, servicing, repairs and rapid intervention for all areas of activity. We have complete and regularly updated tools for all work. Translated with www.DeepL.com/Translator (free version)