One roll of VELUX adhesive underlayment is 21 feet long and 9 inches wide. The size of the skylights will determine how many skylights can be installed with one roll of ZOZ 216 adhesive underlayment.
How many skylights can be installed with one roll of ZOZ 216 VELUX Adhesive Underlayment?
1 min. readlast update: 12.10.2025
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