Super entreprise de nettoyage, deuxième expérience positive.

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 systems • Effective thermal insulation • European-certified materials Choose the expertise of Balzan & Immer Étanchéité SA for a reliable, insulated roof. Contact us for a tailor-made assessment.

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Novalla SA specializes in concrete cosmetics, pigmentation, and protection. We work on all types of structures to correct defects, harmonize colors, restore surfaces, and apply durable treatments. Thanks to our mastery of methods and recognized expertise in finishing work, we breathe new life into concrete for an attractive and long-lasting result. Novalla SA works on public, private, and large-scale projects in Switzerland and France.