Purpose

To secure shelf units.

Recommendation

Install clip angles and steel struts for shelf units weighing less than 250 pounds.

Larger imageBookcases - floor anchorage options (6' or more in height)

Source: Governor's Office of Emergency Services

Supplies Required

Installation

Larger imageConcrete or Masonry Floor (left) Wood Floor (right)

Source: Noson, Perbix, SSD

Clip Angle - Wall Attachment

1. 1. Attach the shelf unit directly to the wall with a clip angle.
2. 2. Secure the unit to the wall with a lag bolt for wood. Embed it into a stud at least 2". (Do not attach to gypsum wallboard only.) OR Secure to wall with an expansion bolt for concrete.

Clip Angle - Floor Attachment

Attach a clip angle to a concrete floor with expansion bolts. OR Attach a clip angle to a wood floor with lag bolts.

Larger imageMetal Shelving (left); Wood Shelving (right)

Source: Noson, Perbix, SSD

Caution

When anchoring to post-tensioned slab, locate and avoid reinforcing.

Overhead Steel Strut Installation

Secure overhead strut with screws to shelving.

Larger imageConcrete or Masonry Floor (left); Wood Floor (right)

Source: Noson, Perbix, SSD

Note

• For shelf units that weigh over 250 pounds (including contents), consult a structural engineer.
• Attach shelving to frames.
• Connect adjacent shelf units with steel plates and machine bolts.
• Install strap bracing across back of shelving. Provide three screws at each end of the bracing.