Warranty
VELUX insulating glass 
(b)(c)
For a period of (20) twenty years from the date of 
purchase, VELUX warrants to the end-user
(a)
 that the 
insulated glass unit will not develop a 
material obstruction of vision due to a 
failure of the glass seal. If a seal failure 
is brought to our attention during 
this time period, VELUX will, at its 
option, 1) provide a replacement pane 
delivered free of charge to the original 
point of purchase or to the end-user, 
2) provide a replacement roof window 
or skylight product with an insulated unit delivered free of 
charge to the original point of purchase or to the end-user, 
or 3) refund the end-user the original purchase price.
VELUX SUN TUNNEL™ skylight 
rigid tunnel
For a period of (20) twenty years from the date of 
purchase, VELUX warrants to the end-user that the 
reflection-enhanced material in the SUN TUNNEL skylight 
shall be free from defects in material and workmanship 
and correspond to the agreed materials properties. 
VELUX guarantees that the material under normal 
interior environmental conditions will not splinter, yellow, 
darken, peel-o, blister, crack or develop any other surface 
deterioration reducing the reflectivity when used as 
instructed in the VELUX product instructions. If a defect 
is found during this period, VELUX will, at its option: 1) 
provide a replacement component delivered free of charge 
to the original point of purchase or to the end-user, or 2) 
repair the component without charge for material or labor.
(a) End-user means the natural or legal entity or person who owns the product and has 
not acquired it with a view to reselling or installing it in the course of a business.
(b) VELUX acrylic skylights (Metro-lite and Dura-lite) are covered under a separate 
limited warranty and are not covered by this Limited Warranty.
(c) The components of insulated glass, electric control systems including motorized 
operators and rain sensors, and blinds (pleated shades, venetian blinds, roller shades, 
lightblock shades, and awning blinds) are covered under a separate warranty from the 
roof window or skylight as described by this limited warranty.
Insulating glass
VELUX products with a 
20 year limited warranty
Specific limited product warranty
VELUX roof windows, skylights, 
SUN TUNNEL skylights, and 
flashing 
(b)(c)(d)
For a period of (10) ten years from the date of purchase, 
VELUX warrants to the end-user that VELUX roof 
windows, glass skylights, SUN TUNNEL 
skylights, and flashing will be free from 
defects in material and workmanship. 
VELUX also warrants to the end-user 
that the yellowness index on clear 
acrylic shall be less than 4.0 from the 
date of purchase as measured with 
a HunterLab’s spectrocolorimeter 
according to ASTM D 1925, subject 
to the limitations set forth herein. This 
acrylic clarity warranty applies to the 
product exposed to ultraviolet rays in 
normal interior and exterior applications, 
which shall exclude extreme weather conditions. If a 
VELUX roof window, skylight, SUN TUNNEL skylight, or 
flashing product is found to be defective during this time 
period, VELUX will, at its option: 1) provide a replacement 
component or a replacement roof window, skylight, SUN 
TUNNEL skylight, or flashing product delivered free of 
charge to the original point of purchase or to the end-user, 
2) repair the roof window, skylight, SUN TUNNEL skylight 
or flashing without charge for material or labor, or  
3) refund the end-user the original purchase price.
(b) VELUX acrylic skylights (models CAP, CM, CMA and CVA) are covered under a 
separate limited warranty and are not covered by this Limited warranty.
(c) The components of insulated glass, electric control systems including motorized 
operators and rain sensors, and blinds (pleated shades, venetian blinds, roller shades, 
lightblock shades, and awning blinds) are covered under a separate warranty from the 
roof window or skylight as described by this limited warranty.
(d) The clarity of polycarbonate components are covered under a separate limited 
warranty and are not covered by this limited warranty.
VELUX products with a 
10 year limited warranty
Specific limited product warranty









