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PAI23 Purlin Anchor

Simpson Strong-Tie

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Retail Price: $21.44
Sale Price: $15.88
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G90 Galvanized
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Product Overview

PAI23 Purlin Anchor

Purlin anchors offer solutions for wood-to-concrete and concrete-block connections which satisfy code requirements. The dual-embedment line allows installation in concrete or concrete block.


PAI — 12 gauge; MPAI — 14 gauge


Galvanized (G90)


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.

Strap may be bent one full cycle. (Bent vertical 90° then bent horizontal.)

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


See LTT and HTT tension ties for alternate retrofit solutions.


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