*EKL applications require 4-in. over-and-under spacing and 2.5-in. - 12-in. side-by-side spacing in 1/2-in. increments.
EKW applications require 4-in. over-and-under and side by side.
Roof window combi application is available as a special order with varying lead-times. 4-in. spacing is required
for both over-and-under and side-by-side spacing.
NOTE: Please call VELUX or refer to installation instructions for exact spacing