Description

Simpson Strong-Tie PA51 – 51″ 12-Gauge Galvanized Purlin Anchor

Product Details

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.
• 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 = 1500 psi

Specifications: