If customers have no knowledge about waterproofing and damp proofing, they can:-
1. Hire a professional consultant (e.g., structural engineer, architect) to review the specifications and application process.
2. Ask the builder to provide a detailed explanation of the waterproofing and damp proofing treatment, including materials, methods.
3. Request a third-party inspection and certification from a reputable organization.
4. Seek advice from a consumer protection agency or a legal professional.
5. Check online reviews and ask for references from previous customers.
6. Consider hiring a project manager or construction manager to oversee the project.
7. Ask the builder to provide a detailed scope of work and specifications.
8. Take their time and do not rush into a decision.
By taking these steps, customers can ensure that their interests are protected and that they receive a quality waterproofing and damp proofing treatment, even if they lack knowledge in the area.