Since 1979, Balzan & Immer Étanchéité SA has specialised in waterproofing and thermal insulation for flat roofs. Backed by recognised expertise, we have built up privileged relationships with suppliers of high-quality materials.We work exclusively with products that comply with European standards, which are stricter than those in force in Switzerland, guaranteeing durable, high-performance solutions.Our Services :Advanced waterproofing systemsEffective thermal insulationEuropean-certified materialsChoose the expertise of Balzan & Immer Étanchéité SA for a reliable, insulated roof. Contact us for a tailor-made assessment.