Installation Guide
Base Building +1 Extender 
10' x 14'
Base Building 10' x 10'
01/27/2021
GAMBREL 10' x 10' (304,8 x 304,8 cm)
ASSEMBLY MANUAL
16410
BEFORE YOU BEGIN
IMPORTANT! 
READ INSTRUCTIONS THOROUGHLY PRIOR TO BEGINNING ASSEMBLY.
• BUILDING RESTRICTIONS AND APPROVALS
 Be sure to check local building department and homeowners association for specic restrictions and/ or requirements before building.
• ENGINEERED DRAWINGS
 Contact our Customer Service Team if engineered drawings are needed to pull local permits.
• SURFACE PREPARATION
 To ensure proper assembly you must build your shed on a level surface. 
 Recommended methods and materials to level your shed are listed on page 10.
• CHECK ALL PARTS
 Inventory all parts listed on pages 5-8.
• ADDITIONAL MATERIALS
 You will need additional materials to complete your shed. See pages 3-4 for required and optional materials and quantities.
***CONTACT OUR CUSTOMER SERVICE TEAM
IF ANY PARTS ARE MISSING OR DAMAGED*** 
- Order form and warranty at back of manual -
Call: 1-888-827-9056 email: customerservice@backyardproductsllc.com
BUILDING SIZE ACTUAL FLOOR SIZE
10' x 10' (304,8 x 304,8 cm)
BASE MODEL
10' x 14' (304,8 x 426,7 cm)
10' x 18' (304,8 x 548,6 cm)
ADD (1) 10' x 4'
ADD (2) 10' x 4'
10' x 10' (304,8 x 304,8 cm)
10' x 14' (304,8 x 426,7 cm)
10' x 18' (304,8 x 548,6 cm)
KEEP THIS MANUAL FOR FUTURE REFERENCE










