Atir Strap And Beamd With 72 Install Page
To successfully achieve the 72-hour install:
Tightening and Testing: After securing everything, go through and tighten all fasteners. Perform a test to ensure everything is stable and as per specifications.
The ATIR system utilizes high-tensile steel straps designed for confining reinforcement, often used in retrofitting columns or strengthening beam-column connections. atir strap and beamd with 72 install
| Component | Specification | |--------------------|--------------------------------------------| | Strap material | 12 ga. (2.6 mm) galvanized steel | | Strap dimensions | 1.5" wide x 20" long x 72 fastener holes | | Fastener type | #10 x 1.5" hardened steel screw or 10d nail | | Fastener quantity | 72 per strap | | Installation spacing | Max. 72 inches (1829 mm) o.c. along beam | | Edge distance | Min. 1.5 inches (38 mm) from beam end | | Load capacity | 2,500 lbs tension / 1,800 lbs shear (per strap) |
Phase 1: Beam Preparation & Bonding
Phase 2: Positioning the Atir Strap
Phase 3: The 72 Fastener Schedule
Phase 4: Anchoring the Other End (Wall or Foundation) The bottom of the 72” Atir strap must extend down the wall studs and attach to a continuous sill plate or a concrete foundation via a mudsill anchor or epoxy threaded rod. The “72 install” may require 72” embedment into a grouted CMU wall core, meaning the strap is set during masonry construction.