12×20 Shed Construction

I strongly encourage you to send photos with your projects built using my plans. Please send the materials at [email protected] or using the contact form. Any submission is highly appreciated by me and by the rest of the readers. In addition, your projects will be seen all around the world, so you can point out your skills. Don’t forget to mention the cost of the materials, the total time of the project as well as a few impressions about the build. 













All Materials touching ground were pressure treated lumber. I had trouble getting 20 ft. 4 x 4 stock so I opted for 6 x 6. I tried to lay 4 x 8 sheets parallel to stringers but they just didn’t lay right so I removed them and ran perpendicular which did the trick and felt much more sturdy.

Good thing about screws. the walls went up fairly easily with only one hitch in the plans. the end wall with no opening has a wrong measurement on the plan. plan says 136 1/2 inches and it should be 137. I had to use 1/2 inch ply to fill the space to make square. minor mods made to the plans such as 8 foot opening on the end for a garage door and the side will be 6 foot double door.

A good tip is to do trusses while you have open space on newly built floor and make a jig from cut pieces. Made life much easier. Once I had it covered with T1-11 I used a paint sprayer which was covered twice in less than 2 hours. Trim will be PVC composite boards. Those, shingles and doors go up this weekend. A total of 3 weekends alone.

By Mark E. Meier



Difficulty Level: complex

Estimated Cost: –

Time required: 3 weekends

From Plans: http://howtospecialist.com/outdoor/shed/12×20-shed-plans-free/


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