ShelterCoat 18 x 20 ft. Garage Peak Green STD Frame constructed of heavy duty 2-3/8 in. diameter steel Premium powder coat finish protects frame from corrosion and rust Ripstop tough advanced engineered polyethylene fabric cover is UV treated inside outside and in between. Heat welded seams not stitched are 100% waterproof. Patented ShelterLock stabilizers at every rib connection for rock-solid strength and stability Ratchet-Tite tension system and Easy-Slide cross rails keep the cover smooth and taut Bolt-together hardware at every connection point ensures maximum strength and durability Universal steel foot plates for easy and solid connection to ground anchors cement or pony walls Manufacturer recommends one anchor per leg - see included Anchor Guide for more information. - Cover Color: GREY - Frame Color: GREY - Frame Material: Steel - Door Type: 2 TRIPLE ZIPPERED DOORS FRONT AND REAR - ASSEMBLED EXTERIOR DIMENSIONS DEPTH (IN): 239.86 - ASSEMBLED EXTERIOR DIMENSIONS HEIGHT (IN): 113.54 - ASSEMBLED EXTERIOR DIMENSIONS WIDTH (IN): 216.44 - ASSEMBLED INTERIOR DIMENSIONS DEPTH (IN): 235.14 - ASSEMBLED INTERIOR DIMENSIONS HEIGHT (IN): 111.18 - ASSEMBLED INTERIOR DIMENSIONS WIDTH (IN): 211.72 - DOOR / ENTRANCE HEIGHT (IN) CENTER ZIPPER: 89 - DOOR / ENTRANCE HEIGHT (IN) OUTSIDE ZIPPERS: 72 - DOOR / ENTRANCE WIDTH BOTTOM (IN) OUTSIDE ZIPPERS: 150 - DOOR OPENING WIDTH TOP (IN) OUTSIDE ZIPPERS: 150 - FOLDABLE (Y/N): No - GABLE HEIGHT (IN): 71.21 - WATER-RESISTANT (Y/N): Yes