PERFORMANCE GUIDELINES: 3. WALL FRAMING
3.5 Window Leaks
Acceptable Performance/Condition
Windows shall not allow unintended water penetration under normal design weather conditions, when properly closed.
Condensation and some water retained in window tracks are not considered to be defects.
Occasional water leaks caused by abnormal weather conditions are not considered to be a defect.
The owner must ensure windows are properly closed, and maintained in keeping with any maintenance documentation provided by the warranty provider or builder.
Warranty Coverage
- 5 years Unintended Water Penetration
Claim Response
Windows not meeting the Acceptable Performance/Condition shall be rectified.
Maintenance Tip
Keep all window weep holes clean.

References
- BC RCPG 3.9 Condensation Forming Between Factory-Sealed Glass Units
- BC RCPG 4.17 Water Leakage at Doors, Windows or at the Top of the Foundation
- BC RCPG 4.26 Unsealed Gaps Between Dissimilar Cladding Materials and Penetrations Through Cladding
- Appendix A3 Moisture and Windows
- Appendix A5 How to Conduct a Water Test
Documents
No documents available
