Product Overview
PA23 Purlin Anchor
The PA is a solution for wood-to-concrete and wood-to-masonry connections which satisfies code requirements. The PA is designed to connect roof purlins to a concrete wall as a purlin anchor or to connect studs to the foundation as a strap-tie holdown. The PA features a dual-embedment line for ease of installation.
Key Features
- Minimum embedment line indicators for both concrete and masonry installations
- Nailing pattern optimized for narrow face of nominal 3x or double 2x wood member
- Low design profile minimizes visibility
Material
- 12 gauge
Finish
- Galvanized or ZMAX® coating
Installation
- Use all specified fasteners; some models have extra fastener holes. See General Notes.
- Purlin anchor must hook around rebar.
- Allowable loads are for a horizontal installation into the side of a concrete or masonry wall.
- For vertical installation in the top of GFCMU, refer to engineering letter PA Models - Vertical Installation in the Top of GFCMU (L-C-PAGFCMUUP).
- PA51/PA68 — for additional length, an MST strap can be attached using 1/2" bolts through existing holes.
Edge Distance — minimum concrete edge distance is 5". Minimum concrete-block left-to-right edge distance is 20".
Concrete Block Wall — the minimum wall specifications are:
A — one #4 vertical rebar, 32" long, 16" each side of anchor
B — two courses of grout-filled block above and below the anchor (no cold joints allowed)
C — a horizontal bond beam with two #4 rebars, 40" long, a maximum of two courses above or below the anchor
D — minimum masonry compressive strength, f'm = 1,500 psi
