Chimney Survey Inspection | Chimney CCTV Camera Inspection
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Chimney cctv Inspections
Chimney cctv camera inspections after a chimney fire can detect internal damage and faults to the flue liners or damage to the chimney shaft itself such as cracked masonry or cracked flue liners. It can locate blockages, show tar build up, creosote deposits and birds nests etc.
Smoke testing the chimney
If there is doubt about the condition of a chimney, or an old chimney is to be put in use after a long period of disuse, it is advisable to have it smoke tested. It is also recommended that a smoke test is carried out during the construction of masonry chimneys and on completion of all chimney installations.
The purpose of a smoke test is to identify any faults which would cause fumes to escape during the normal operation of the appliance and chimney.
Closing the bottom and top of the chimney during the test, will generate a positive pressure in the flue. This will force the smoke, generated by the pellet, to escape through gaps in the joints in a masonry chimney, or connections between pre-fabricated metal chimneys and flue pipes.
if leakage is detected, the cause must be investigated and rectified. Broken components, incorrect fitting and incomplete jointing of flue liners are the most common problems which cause major leakage and require remedial action.
CCTV Chimney Cameras may be used to check the cause of:
- Toxic fumes or smoke leaking into the home
- Poor Draw
- Blockage from birds nests or insects
- loose or falling debris in the fire box or grate
- Sand build up in the fire box or grate
- Cracks and structural faults in masonry
- A chimney fire
- Staining on internal walls