Construction Performance Guidelines
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About the Guidelines
These helpful guidelines outline work and material deficiencies in new homes and residential condominium units covered under the statutory warranty [...]
LEAKAGE THROUGH SUSPENDED PARKING SLABS AND RAMPS
Suspended parking slabs including suspended ramps shall be protected by a material/substance to prevent water penetration and leakage and to protect the slab from exposure to chlorides in accordance with the Ontario Building Code including CSA 413 and the design.
One-Year – Work and materials. Two-Year - Building Envelope Water Penetration
The waterproofing membrane not meeting acceptable performance shall be repaired to prevent leakage.
Repair shall address the material defect in the waterproofing system to prevent water from penetrating into the occupied building and to reinstate the protection of the slab against chloride contamination. Care must be taken to prevent damage to waterproof membrane during required maintenance activities to exposed surfaces. Expansion joints shall be repaired to accommodate movement.