About us

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.