Have a Duck® Brand Window Kit? We have the indoor, transparent and double-sided tape designed specifically for the job, including all Roll-On®, and Duck ® Brand Standard and Heavy Duty window film kits. Discreet and easy to apply—even for extra-large windows and doors—this indoor window kit tape has excellent staying power for a full season. Use together with other Duck® Brand weatherization products to make your home more comfortable and energy efficient all year long.