Double Decker Garage Storage Shelves

If you're out of garage floor space, try looking up for garage storage shelves.

Next Project

A full day






Floor space in most garages is hard to come by so the best place to find storage space for garage shelves is overhead. You can make your own DIY shelves for the garage easily go double-decker for twice the storage capacity.

Tools Required

  • Circular saw
  • Cordless drill
  • Table saw

Materials Required

  • 1-5/8-in. screws
  • Lag screws
  • Plywood: 1x2
  • Plywood: 1x3
  • Plywood: 1x8
  • Plywood: 2x8

Build the Shelves

This project has a 16-in. top shelf for big items, a 5-in. lower shelf and plenty of hook space. Need different size shelves or more space between them? It’s easy to modify this basic design. To build a saw guide like ours, learn how to create circular saw cutting guides for plywood.

Project step-by-step (5)

Step 1

Rip the Plywood Top to Width

Rip the shelf plywood top to widthFamily Handyman

Use a homemade saw guide and a circular saw, or a table saw, to cut the plywood for the 16-in.-wide top shelf.

Step 2

Screw the Framework Together

screw garage shelf togetherFamily Handyman

Use all-purpose screws (4 inch lag screws and 1-5/8 inch screws) to secure the 1×8 back rim and 1×2 front rim to the 2×8 support block. Space the support blocks every 32 in.

Step 3

Complete Assembling the Shelf

Assemble garage shelfFamily Handyman

Install the plywood top, bottom shelf and the 1×2 and 1×3 lips. Use construction adhesive for added strength.

Step 4

Secure the Shelf to the Wall

secure garage shelf to the wallFamily Handyman

Use 4-in. lag or construction screws to secure the 1×8 back rim to the wall studs. Drive two screws into each stud—one high, one low.

Step 5

Garage Shelf Dimensions

garage shelf figure a Family Handyman

This shelf is 8 ft. long, but yours can be any length.

Organizing a garage isn’t a one-size-fits-all project, so we’ve compiled some of our best garage storage ideas. Check out these 50 tips to find ways to make your garage more organized and better to use.