If you think that all skylights leak, it's time to think again. VELUX® roof windows and skylights do not leak. Proven in installations and climates throughout the world, their exclusive flashing systems will keep you dry and comfortable. (This limited warranty does not apply to VELUX products purchased prior to January 1, 2010.)
10 Year No Leak Warranty
VELUX deck mounted skylights come with an industry first 10-year "No Leak" installation warranty that covers correct skylight and appropriate flashing installations (product and labor) against leaks, no matter who installs the skylight. For important details about this outstanding warranty, please see the VELUX warranty brochure:
VELUX Warranty (PDF)
VELUX believes that the best guarantee is the one you never have to use, therefore, they build quality into every product. They offer the VELUX 20/10/5 years limited product warranty for specific product coverage issues.
Hail Warranty
Hail breakage warranty for VELUX skylights with Clean, Quiet & Safe glass only.
For a period of ten (10) years from the date of purchase after January 1, 2014, VELUX warrants to the end-user that VELUX Skylights with Clean, Quiet and Safe glass only will not crack or break because of hail.
NSS Exteriors LIFETIME WARRANTY on installation
When you have a VELUX skylight installed by NSS Exteriors, you receive the VELUX product warranty AND the NSS Exteriors' Limited Lifetime Warranty on installation!