Sweeney Property Services is Donegal’s trusted specialist for drain unblocking, thermal imaging, leak detection, and underground pipe locating — your complete solution for fast, accurate, and non-invasive diagnostics. With advanced technology and extensive experience, we pinpoint leaks and blockages quickly and precisely, avoiding unnecessary damage or disruption to your property.
Our service includes clear, insurance-ready reports to ensure repairs can begin without delay. Because leaks and blocked drains can lead to serious damage and unexpected expense, early detection is essential — and Sweeney Property Services provides the reliable expertise you need to protect your home or business.
Using state-of-the-art thermal imaging cameras, we can detect hidden leaks and moisture sources behind walls, floors, and ceilings. This non-invasive technique identifies temperature differences, allowing us to find the exact location of a leak before it causes significant damage.
Our Range of Services


Drain Unblocking with High-Pressure Water Jetting
Our powerful high-pressure water jetting equipment clears even the most stubborn blockages from drains and pipes. It’s an environmentally friendly and highly effective method that restores full flow quickly, preventing future build-up and costly repairs.


Camera Surveys of Problematic Blockages
We use high-definition drain cameras to carry out detailed inspections of your pipework. These camera surveys allow us to identify blockages, cracks, and structural issues quickly, giving you a clear understanding of the problem and the most effective solution.


Acoustic Leak detection
Acoustic leak detection uses sensitive listening equipment to detect the sound of escaping water within pipes. This cutting-edge technology enables us to locate leaks beneath floors, walls, or outdoor surfaces without unnecessary disruption or damage.


Thermal Imaging
Using state-of-the-art thermal imaging cameras, we can detect hidden leaks and moisture sources behind walls, floors, and ceilings. This non-invasive technique identifies temperature differences, allowing us to find the exact location of a leak before it causes significant damage.


Tracer Gas Detection
Our tracer gas detection method is one of the most precise and reliable ways to locate leaks in both water and heating systems. By introducing a harmless gas mixture into the system, we can track even the smallest leaks that would otherwise go unnoticed.


Moisture Mapping
Moisture mapping helps us assess the extent and spread of water damage within a property. By creating detailed moisture maps, we can identify problem areas early, support accurate repairs, and help prevent future damp or mould issues.





