Help CenterFor Professionals
What flashing should I use with Fixed Curb Mounted Skylights?How long does it take to receive an order?What is the fire resistance rating for VELUX skylights?What flashing do I use to group skylights together?What flashing do I use with a metal roof?How many skylights can be installed with one roll of ZOZ 216 VELUX Adhesive Underlayment?What is the difference between a 5-star installer and a 3-star installer?Are skylights UL approve?What is an instant light shaft?What is the STC rating for VELUX skylights?What's included with the Sun Tunnel Skylight?Where can I find product testing, regulation codes, and certifications for each VELUX product?What is the ICBO number for VELUX skylights?Where can I find the architectural drawing and specs for each VELUX products?What spacings are available for Combi-flashing?