Ducrest has over 35 years' experience in waterproofing flat roofs. Since 1987, this family-run business has been applying its know-how to provide sustainable, made-to-measure solutions perfectly adapted to every configuration: accessible, inaccessible, technical or vegetated roofs. From the installation of coverings to slabs on blocks, not forgetting safety installations with guardrails, Ducrest's work is precise and exacting. Annual maintenance contracts are also available to ensure the longevity of your work.