Construction Performance Guidelines
Skylights shall be installed in accordance with the manufacturer’s specifications and shall not allow water penetration.
Two-Year - Building Envelope Water Penetration. · Damage resulting from dampness or condensation due to failure by the homeowner to maintain adequate ventilation is not covered by the statutory warranty.
Skylights not meeting the acceptable performance shall be repaired.
Condensation on the interior surfaces of a skylight may occur if indoor relative humidity is high. Condensation is not considered indicative of a defective condition. To test for water penetration, see Appendix A5 “How to Conduct a Water Test”. See Also: 5.4 ROOF OR FLASHING LEAKS