D.I.Y. Series

Unclutter your life with affordable backyard storage from Mueller. For easy assembly and functional storage space, the Mueller D.I.Y. Series can’t be beat. These sturdy steel buildings are available in six sizes and many color options to complement your home. There’s no welding required – you simply bolt it together. For the finishing touch, get the optional floor kit.

The D.I.Y Series also offers a greenhouse and carport.

Available D.I.Y. Building Kit Sizes

6' x 9' x 7' - $895

Walk Door Size: 3' x 6'4"
Optional Floor Kit - $150
Optional Mid Girt - $65

  9' x 12' x 7' - $1,195

Walk Door Size: 3' x 6'4"
Optional Floor Kit - $235
Optional Mid Girt - $90

12' x 15' x 7' - $1,495

Walk Door Size: 5'4" x 6'4"
Optional Floor Kit - $380
Optional Mid Girt - $95

12' x 21' x 8' - $1,995

Choose from:
- Walk Door Size: 5'4" x 6'4" or
- Roll-up Door Size: 5'9" x 6'5"
Optional Floor Kit - $500
Optional Mid Girt - $150

18' x 21' x 8' - $2,495

Choose from:
- Walk Door Size: 5'4" x 6'4" or
- Roll-up Door Size: 5'9" x 6'5"
Optional Floor Kit - $700
Optional Mid Girt - $175

24' x 24' x 8' - $3,495

Roll-up Door Size: 7'9 1/2" x 6'5"
Optional Floor Kit - $1,100
Optional Mid Girt - $235

Optional Floor Kits include 4" C purlin with 3/4" plywood

Download Manual:


Mueller does not represent these D.I.Y. Series buildings to meet any specific code or engineering criteria. These buildings are intended to be erected in geographical locations which do not require engineered loads for buildings under 400 sq. ft.

Please check local building codes before ordering.


Standard Features:

  • Over 30 colors to choose from.
  • All steel frame (optional galvanized frame available)
  • 26 gauge wall and roof sheets featuring 30-year limited warranty paint
  • Trim package

Each Kit Includes:

  • Erection drawings
  • All required screws and sealers
  • Door
  • Pre-cut parts
  • Detailed instructions

Color Options:

Click here for information about our paint warranties.

Close at 5 p.m. on Wed, Dec. 24th (Christmas Eve)
Open at 7:30 a.m. on Monday, Dec. 29th

Close at 5 p.m. on Wed, Dec. 31st (New Year's Eve)
Open at 7:30 a.m. on Monday, Jan. 5th