When you need a little extra storage space for your collection of stuff, and you don't want to go to the expense of renting a self-storage unit, building a wood shed in your yard is a great alternative. If you can build it off of your garage as a sort of lean to unit, another advantage is that the back wall is not exposed to as much of the elements as the rest of the shed will be. A shed built off of another structure is often called a "Lean-To" shed.
Things You'll Need
- 8 solid concrete blocks
- 4 cinder-blocks
- 4 4 foot by 4 inch posts
- Rubber Mallet
- Four Foot Level
- Flat brackets
- 6 2 by 4s
- ¾ inch plywood measured to fit floor frame
- Framing nail gun
- 5 2 by 8s
- Corner brackets
- 6 2 by 6s
- Pre-hung door frame
- Panels of ½ inch CDX plywood for back wall
- Circular saw
- ¾ inch CDX plywood to fit over roof rafters.
- 15 lb. Felt
- Staple gun
- Asphalt shingles
Choose the location of the lean to shed. The area should be level and free of obstructions. Clear the area thoroughly if the obstructions can be removed.
Lay two solid concrete blocks on each corner of the area for the shed. Set a cinder block at each corner on top of the concrete blocks. Lay one of the pressure treated four foot by four inch post on top of the cinder blocks. Use a four-foot level to make sure the blocks are sitting level. If they aren't, use a rubber mallet to make adjustments. Use the remaining posts to create a square frame on top of the cinder blocks. Secure each corner of the frame posts with flat brackets.
Frame the floor using 2 by 4s placed every 18 inches. Use a framing nail gun, secure the 2 by 4s to the 4 by 4 wood posts. Set the 3/4 inch plywood down on top of the floor frame and use the framing nail gun to secure it to the 2 by 4s.
Frame the walls on the back of the structure against the garage. Secure a 2 by 8 to the back corner of the shed using a corner bracket and carpenter screws. Measure off two feet from the back corner and secure another 2 by 8 using a corner bracket and carpenter screws to the back wall area. Repeat this procedure in the second back corner and secure two more 2 by 8s.
Frame the walls of the front of the structure. Set a 2 by 6 plank upright in the front corner of the shed and use a corner bracket and screws. Repeat for the second front corner of the shed. These should line up with the 2 by 8s in the back portion of the shed. Secure a 2 by 6 in the center of the left and right side wall frame with a framing nail gun.
Install the door frame into the front of the shed. Place the door frame in the center of the front portion of the wall and use 2 by 4s cut to the specific size of the door you chose to frame it in. Using a pre-hung door already in a frame will greatly reduce the amount of time spent on this chore.
Attach panels of 1/2 inch CDX plywood to the outside rear of the structure to serve as the back wall. Secure the panels into place using the framing gun.
Frame the roofing. Nail a 2 by 8 to fit over the front frame on the top of the four 2 by 6's you installed earlier. Use a corner bracket on one corner of each 2 by 6's. Use the four foot level to make sure the 2 by 8 is level. Cut and fit another 2 by 6 to the top part of the frames on each side wall. The side wall frames should both now resemble a large rectangle turned up on it's narrow end.
Cut one corner of each of the four 2 by 4s that are going to serve as the rafters. The cut should be at a 45 degree angle. Secure the first rafter with the cut end facing the front of the structure to the back wall with a framing gun. Use a straight bracket and screws to secure the cut side, with cut side down, to the front corner. Repeat this procedure with three more 2 by 4s.
Cut the remaining 1/2 inch CDX plywood to fit over the rafters and use framing gun to secure it. Cut and staple a sheet of 15 pound felt over the plywood. Staple or nail asphalt roof shingles to the roof to complete the project.
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