| Defects in work and materials | | | | | |
| Unauthorized subsitution of materials | | | | | |
| Ontario Building Code Healt and Safety Violations
| | | | | |
| Water penetration through basement or foundation | | | | | |
| Water penetration in building envelope | | | | | |
| Defects in electrical, plumbing, or heating systems | | | | | |
| Defects in exterior cladding | | | | | |
| Major structural defects | | | | | |