Consulting expert in roofing inspection and supervision for 40 years, in the institutional, industrial, and residential sectors.

GCLT provides complete roofing and waterproofing services such as:
- Site monitoring and quality control of the work.
- The inspection of the roof (evaluation of the degree of degradation of existing structures and causes of damage).
- The hygrometer readings, thermographic surveys, and sampling cuts.
- The determination of intervention priorities and the estimation of work costs.
- The review of plans and specifications, and of tender documents.
- The management of renovation projects.
- The development of preventive roof maintenance programs, including the preparation of annual maintenance budgets.