BL-42 is a ladder-type masonry reinforcing with box ties lap-welded every 16” (400 mm) O.C. extending into the cavity.
- A specially welded cross-bar across the box tie restrains the out-of-plane movement of the two wythes.
- A 2X-HOOK™ wire tie is engaged to complete the tie system.
- All hook ties are 3/16” (4.76 mm) in. dia.
- Minimum tie embedment is 1 1/2” (40 mm).
- Bed joint alignment for connecting wythes recommended.