Issue |
Defect Cause |
Defect Remedy |
Leaning chimney stacks |
- Deterioration of mortar joints over time
- Exposure to weather and freeze-thaw cycles
- Lack of proper restraint to roof structure
|
- Partial or complete rebuilding with proper support
- Installation of restraints and ties
- Repointing with appropriate mortar
|
Damp issues |
- Absence or failure of original damp proof course
- Solid wall construction allowing moisture migration
- High external ground levels bridging damp barriers
|
- Installation/repair of damp-proof course
- Specialist damp treatment
- Improved ventilation and appropriate internal finishes
|
Uneven/sloping floors |
- Settlement of foundations over time
- Rotting timber joists due to dampness
- Previous poor quality alterations
|
- Levelling with appropriate materials
- Possible structural reinforcement of floor joists
- Replacement of damaged timber
|
Blocked or unlined flues |
- Age-related deterioration
- Previous inappropriate modifications
- Lack of maintenance and chimney sweeping
|
- Proper cleaning and sweeping
- Installation of appropriate flue liner
- Repair of chimney structure if needed
|
Sagging roof structures |
- Undersized original rafters
- Loss of structural integrity over time
- Additional loading from replacement roof coverings
|
- Reinforcement of existing timbers
- Installation of additional supports
- Possible partial rebuilding in severe cases
|