
This product's information may differ depending on the category of use. You are currently viewing details related to Misc. Connectors for Engineered Wood. You can also view product information related to the category: Purlin Anchors
The MPAI is a solution for wood-to-concrete and wood-to-masonry connections which satisfies code requirements. This purlin anchor is specifically designed for open-web truss joint connections to concrete or masonry walls. The MPAI features minimum embedment line indicator for ease of installation.
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
Model No. | Ga. | L (in.) | Coating/Material | Packaging Qty. |
---|---|---|---|---|
MPAI32 | 14 | 33 1/2 | Zinc Galvanized, G90 | 1 |
MPAI44 | 14 | 45 1/2 | Zinc Galvanized, G90 | 1 |
Max. Ledger Size | Model No. | Strap Length, L (in.) | Embed Length, le (in.) | Uncracked Concrete | Cracked Concrete | GFCMU Wall | Max. Allowable Strap Tension | Deflection at Allowable Load (in.) | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Concrete | GFCMU | Required Nails (in.) | Tension | Required Nails (in.) | Tension | Required Nails (in.) | Tension | |||||
4x Ledger | MPAI32 | 33 1/2 | 5 1/2 | (16) 0.148 x 1 1/2 | 2,885 | (16) 0.148 x 1 1/2 | 2,885 | (16) 0.148 x 1 1/2 | 2,355 | NA | 0.167 | |
MPAI44 | 45 1/2 | 5 1/2 | (16) 0.148 x 1 1/2 | 2,885 | (16) 0.148 x 1 1/2 | 2,885 | (24) 0.148 x 1 1/2 | 2,865 | NA | 0.167 |
See Footnotes1 below
Max. Ledger Size | Model No. | Strap Length, L (in.) | Embed Length, le (in.) | Uncracked Concrete | Cracked Concrete | GFCMU Wall | Max. Allowable Strap Tension | Deflection at Allowable Load (in.) | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Concrete | GFCMU | Required Nails (in.) | Tension | Required Nails (in.) | Tension | Required Nails (in.) | Tension | |||||
4x Ledger | MPAI32 | 33 1/2 | 5 1/2 | (16) 0.148 x 1 1/2 | 2,885 | (16) 0.148 x 1 1/2 | 2,885 | (16) 0.148 x 1 1/2 | 2,355 | 3,205 | 0.167 | |
MPAI44 | 45 1/2 | 5 1/2 | (16) 0.148 x 1 1/2 | 2,885 | (16) 0.148 x 1 1/2 | 2,885 | (24) 0.148 x 1 1/2 | 2,865 | 3,205 | 0.167 |
Footnotes1
DWG | DXF | RFA | IFC | SAT | |||
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