. Water Leak Detection Most prominent signs of a leak: An unusual increase in the water bill. Appearance of moisture spots or dampness on ceilings and walls, or peeling paint. Hearing the sound of running water behind walls when all taps are closed. Settling of yard floors or tiles inside the house. Modern Detection Method: It is done using modern devices (such as Aquatops, ground microphones, and thermal cameras) that accurately locate the leak without the need for breaking or demolition. 2. Roof Insulation (Waterproofing and Thermal) Waterproofing: Aims to protect the roof from rainwater and leaks from overhead tanks. Prominent Materials: Foam insulation (polyurethane), epoxy, bitumen rolls, and cementitious insulation. Thermal Insulation: Aims to reduce the temperatures transferred to the house and save electricity consumption (air conditioners). Prominent Materials: Foam, rock wool, and polystyrene boards. Double Insulation (Polyurethane Foam): It is considered one of the best options because it provides both waterproofing and thermal insulation simultaneously and covers corners and joints without seams. Important Tips When Choosing Leak Detection and Insulation Services: Warranty: Make sure to choose a company that offers a certified and written warranty on insulation work (usually from 5 to 10 years). Certified Report: In case of leak detection, request a certified report to submit to the water company to adjust high bills. Inspection and Comprehensive Solution: Ensure inspection of the upper and lower tanks, plumbing extensions, as well as bathroom and kitchen floors. (If you