The Rehab Guide, Volume 2: Exterior Walls - ToolBase Services

dations (Fig. 3). Specific reinforcement requirements will depend on individual site and building coderequirements and should be reviewed with a structural engineer.ADVANTAGES: Simplest, most positive connection.DISADVANTAGES: May not be possible where there is insufficient headroom to drill.2. ATTACH A SILL, JOIST, OR STUD TO THE FOUNDATION WITH SIDE BRACKETSOR STRAPS.Where it is not possible to install anchor bolts because of insufficient headroom, a variety of fasteners hasbeen specially developed to affix frames to foundations. Anchors are available from manufacturers suchas Simpson Strong-Tie Co., Inc., among others. Typical products include straps and plates designed forattachment of plates and joists to the face of foundations and mud sills (Fig. 4).ADVANTAGES: Can connect walls to foundations in areas with limited headroom.DISADVANTAGES: Not as strong or direct a connection as anchor bolts.FIGURE 2EPOXIED ANCHOR BOLT, EXPANSION ANCHOR BOLTFIGURE 3TYPICAL HOLD-DOWNS8