Model # 6417

Internet #202080017

Lifetime 11 ft. x 11 ft. Storage Shed with 9 ft. Wide Carriage Door

Discontinued Lifetime

11 ft. x 11 ft. Storage Shed with 9 ft. Wide Carriage Door

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Frequently Bought Together

Product Overview

The Lifetime 11 ft. x 11 ft. storage building comes with plenty of room for the big stuff, like your riding lawnmower, and a shelving system and peg strips for the little stuff. Carriage-style doors allow you to open up the entire front of the shed for easy access. You’ll also appreciate the spacious headroom as well as the windows and skylights that let in plenty of natural lighting so you can work on those handyman projects. This storage building is constructed from high-density polyethylene (HDPE) plastic with sturdy steel reinforcements. It is UV protected, stain-resistant, and rust-resistant. Best of all it will never need painting. For routine cleaning, simply spray down with a hose. Compatible expansion kits are available to accommodate larger vehicles. This Lifetime storage building is designed for the way you live: convenient usability, long-lasting durability, and easy care maintenance. This shed must be built on a flat level foundation of wood or concrete (not included).

  • High-density polyethylene plastic and powder-coated steel
  • Dimension: 11 ft. x 11 ft., total sq. ft. 100.4, total cu. ft. 786.6
  • 108 in. W x 78 in. H extra large carriage-style doors with internal spring latch, interior deadbolts and exterior padlock loop
  • 3-stationary windows in doors, two latch and lock shatter proof windows swing out for ventilation
  • Stain-resistant polyethylene plastic flooring, must be supported by a foundation
  • Two 30 in. x 14 in. shelves, two 16 in. peg strips with tool hooks
  • 2-large skylights, two screened vents
  • 10-year limited warranty
  • Click to find out more about buying outdoor storage sheds

Info & Guides

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Approximate Depth (ft.)
Approximate Width (ft.)
Assembled Depth (in.)
132.75 in
Assembled Height (in.)
112 in
Assembled Width (in.)
132.75 in
Door Opening Height (In.)
Door Opening Width (In.)
Door Opening Width (ft.)
Exact Width x Depth
11 ft 0.75 in x 11 ft 0.75 in
Sidewall Height (in.)


Assembly Required
Color Family
Browns / Tans
Floor Options
With Floor
Maximum Roof Load (lb./ sq. ft.)
Maximum Wind Resistance (mph)
Number of Doors
Number of Windows
Product Weight (lb.)
Roof Color Family
Roof Material
Roof Pitch
Shed Door Type
Shed Features
Door Latch,Double Door,Lockable Door,Shelving,Vents,Windows
Siding Color Family
Storage Capacity (cu. ft.)

Warranty / Certifications

Manufacturer Warranty
10 Year Limited

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Customer Questions & Answers

What deminsion is required for the fondation for this shed.

The shed in question is 11' X 11'.
Asked by: Anonymous
I think the Lifetime answer person "dyslexia-fide" the numbers. 11 ft is 132" add 1/2 inch and that would be 132 1/2 inches, not 123 1/2 inches. So, my guess is that your foundation needs to be 132 1/2 inches by 132 1/2 inches.
Answered by: cstaley
Date published: 2015-11-20

instruction on how to assemble a columbia shed that I purchased

I purchased a12x20 shed, last year.I,ve lost the assembly papers,I need to know how can Iget them. Columbia,internet number 1000350345.
Asked by: 15majordad16
For the assembly instructions please go to the following link: Put the model number in the box and leave the Product ID box blank. Do NOT choose a language and press the submit button. Scroll down the page and choose the newest version. You can then download the instructions.
Answered by: LifetimeProducts
Date published: 2015-09-20

How to tie down a storage shed?

Asked by: Anonymous
To anchor this shed, you will need to drill through the hole in each L-bracket at the bottom of each wall support channel and into the platform beneath. The anchoring hardware used depends on if you're using a concrete or wooden platform. For a concrete platform, we recommend using 1/4" x 2" cement screws (e.g Tapcon Anchors). For a wood-framed platform, we recommend using 1/4" x 1" Lag bolts. Detailed steps for anchoring the shed are included in the Owner's Manual.
Answered by: LifetimeProducts
Date published: 2016-07-13
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Customer Reviews

11 ft. x 11 ft. Storage Shed with 9 ft. Wide Carriage Door is rated 3.3 out of 5 by 6.
Rated 5 out of 5 by from The perfect shed! This shed is an amazing! It fits so much in it and the tri-fold door is exactly what I needed! It's sturdy and looks great too!
Date published: 2017-06-14
Rated 5 out of 5 by from Great Shed, Lots of Work I bought this shed to house my lawn tractor and various lawn tools. The size is perfect and the triple door arrangement allows me to ride my tractor into the shed with room to spare. The shed arrived in 9 rather heavy cardboard boxes strapped to a pallet. Assembly is a monumental project, requiring three partial days of me and my two sons. The plastic parts are poorly labeled and the hardware are contained in dozens of little bags distributed randomly throughout the boxes. I highly recommend you unpack all boxes and place the various parts in piles that look similar. You'll figure them out as you proceed. I mounted my shed on a pressure treated 2 X 4 frame with a 3/4" plywood sub-floor. Be careful when reading the manual regarding plywood sizes because it details two sizes and only one is correct !! The manual must be studied at great length before beginning. Pay particular attention to every drawing, because when the written instructions don't make much sense, the tiny drawings will probably resolve your questions. Some things were learned by accident, like the three different doors are not obvious, and you can't place the side windows anywhere you'd like. Pay VERY close attention to the drawings or you'll be taking things apart and reassembling them again. After three days in the sweltering heat of Central PA, we finally got the entire shed assembled. On day #4 we received 2 3/4" of rain and horrible winds, in slightly more than an hour and much to my surprise, the inside of the shed was perfectly dry. Although the instruction manual is of poor quality, the shed itself is a winner. I'm certain my yard implements will be out of the weather for many years to come. Good Luck to all who purchase this product, and have patience with the manual. When in doubt, take the manual indoors and study it for awhile until your convinced you understand the next step.
Date published: 2015-06-26
Rated 2 out of 5 by from Instructions suck This shed has the worst written instructions I've even seen. We ended up redoing sections as there is no continuity so you don't know what to expect from the next section. The tolerances in milling were not great, there are gaps in the doors and the door pins are too tight. I'm hoping the roof is rainproof, but the design does not provide hope, there is no overlap on the roof pieces. Also there was a hinge missing in my kit, and I will say the the company was quick to ship the new piece out. All in all, I would say that as far as sheds go it's barely a Fair rating. The instructions indicated that 3 capable adults should be able to assemble this shed in 6 hours. It took us 3 days and one of our adults is a contractor. Don't buy this shed.
Date published: 2016-10-13
Rated 1 out of 5 by from Not a Wise Purchas I'm an experienced carpenter and it took me several days of after-work hours to get this thing put together. Along the way, I encountered numerous problems, not the least of which were some dents in the panels, discovered upon opening the boxes. All 5 boxes need to be opened from the beginning, as parts for the same steps are split up haphazardly among them. There are no part number stickers or stamps on the each part to help in assembly. A few of the parts have big packing stickers, but they don't correspond to anything in the printed instructions (which are in box #4). Also, they got bunches of little plastic baggies holding a hodgepodge of various screws, nuts, and bolts. It's crazy! I put all the screws, nuts, and bolts in separate cups, labeling them according to the packing list. That, alone, took me over an hour, because I had to eyeball the tiny parts (hundreds of them) and there are only slight variations among most of them. The instructions are poorly written, too. There are very few explanations. Most of the instructions are just pictures. I guess this is so they can send them to different countries with the same instructions. However, the pictures are horribly drawn. Many of them don't look at all like the parts they are supposed to depict. I'm telling ya, there is a lot of guesswork to putting this thing together. I recommend clear silicone between all connecting panels, as they are only plastic and air can undoubtedly get between them. Also, there are gaps around the bottom, corners, and top that are big enough for spiders, no matter how tight you try to make them. Use an electric drill/screwdriver with a clutch, to avoid stripping the screws in the flimsy plastic. Also, make sure you apply plenty of pressure from the other side of whatever you're screwing into. Save yourself the hassle and buy a wood shed instead.
Date published: 2013-09-21
Rated 4 out of 5 by from Nice for whai I use it for I have an over abundance of four wheelers, lawnmowers, etc. This building holds them all beautifully with enough room for me to move around in.
Date published: 2010-05-19
Rated 3 out of 5 by from good shed first problem I encountered was section 6.7 screws too small. Had to buy 5/16x.5 wood and metal screws. Next problem I had is there was not enough screws for windows. Had to buy 40-10x.5 long. Doors rubbed at top and bottom. May be installation issue.
Date published: 2015-09-08
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