Various Sizes Available. Zero Percent Financing. Guarantee for 20 Years. Enjoy free pick-a-day delivery to your home for any shed from our TigerFlex collection. The Double Flex Apex Tiger™ shed measuring 4×4 is a distinctive structure that empowers you to decide the placement of your dual entries and windows, providing the freedom to customize it according to your preferences. Explore our 4×4 Tigerflex Shiplap Apex Double Door Shed today.