AHEP Adjustable Hip-End Purlin | Simpson Strong-Tie
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AHEP Adjustable Hip-End Purlin

Roof Truss and Rafter Connectors, Ties, and Straps

This product's information may differ depending on the category of use. You are currently viewing details related to Roof Truss and Rafter Connectors, Ties, and Straps. You can also view product information related to the category: Spacing, Restraint and Bracing Products

The AHEP is a structural purlin that also serves as an installation lateral restraint and spacer during the truss erection process. The AHEP attaches to the leading edge of step-down hip trusses, eliminating the need for drop-top chords, 2x lumber or gable end fillers. The interlocking design of the AHEP allows it to install linearly, aligned with the end jacks, to maintain framing spacing from eave to hip or peak. Roof sheathing/decking attaches directly to the purlin with knurled pneumatic fasteners or low-profile head, self-drilling screws. Adjustable in length, the AHEP is designed to accommodate a pitch range of 3/12 to 9/12 as a structural purlin and up to 12/12 as an installation lateral restraint and spacer.

Key Features

  • A structural purlin to which sheathing can be directly attached — no need to remove temporary bracing
  • Accurately spaces the installed trusses and helps meet the temporary top-chord lateral restraint recommendations of WTCA/TPI BCSI on step-down hip ends
  • Adjustable in length to accommodate a wide pitch range

Material

  • 20 gauge (33 mil)

Finish

  • Galvanized

Installation

  • Use all specified fasteners; see General Notes.
  • Prior to installation, the AHEP must be set to the proper length and the two tubes fastened together with four #10 x 3/4" self-drilling screws through the round holes in the side flanges for pitches between 3/12 and 9/12; and in the triangular and upper round hole when the AHEP will be used as an installation restraint and spacer at pitches 9/12 up to 12/12.
  • For trusses spaced 24" o.c., the pitch markings on the inner tube may be used to line up the tubes to the correct length for a given pitch. For other spacings, the length of the AHEP must be set to the calculated sloping length (from leading edge to leading edge of the framing members).
  • To install the AHEP on wood trusses, use four 0.148" x 3" nails. The two nails at the bottom of the part (the yoke end) must be clinched.
  • Sheathing is attached to the AHEP with knurled pneumatic fasteners or low-profile-head, self-drilling screws.
  • For efficiency, the AHEP should be installed in line with the end jacks so that framing alignment can be maintained from eave to hip/ridge.

Patent Information

  • US Patent 8,443,568

Related Literature

Product Information Table

Load Tables

AHEP Load Capacities for Wood-Truss Applications

AHEP Load Table
  1. Loads may not be increased for duration of load.
  2. Allowable loads apply to wood with a specific gravity of 0.42 or greater.
  3. Designer shall ensure that attached members are adequately designed to resist applied loads.
  4. Straight-line interpolation can be used to determine allowable loads for pitches between 3.1:12 and 9:12.
  5. Fasteners: Nail dimensions are listed diameter by length. For additional information, see Fastener Types and Sizes Specified for Simpson Strong-Tie Connectors.

Code Reports & Compliance

Showing 2 entries
Product SeriesCompliance/CertificationReport/Approval
AHEPInternational Building Code
International Residential Code
ESR-2605
Florida Building CodeFL10447
Footnotes
  1. Please review compliance documents for information about specific product models. In some cases, Compliance documents cover most but not all models associated with a product series.
  2. For additional information regarding Florida's Statewide Product Approval System and Miami-Dade County Notice of Acceptance (NOA), click here.

Drawings

Showing 5 entries
ModelDescriptionPDFDWGDXFRFAIFCSAT
Full PDF Series Full DWG Series Full DXF Series Full RFA Series Full IFC Series Full SAT Series
AHEPAHEP Front View
A34
Front PDF
A34
Front DWG
A34
Front DXF
AHEP Multi View (2d)
A34
Multi REVIT
AHEP Right View
A34
Right PDF
A34
Right DWG
A34
Right DXF
AHEP Multi View (3d)
A34
Multi REVIT
A34
Multi IFC
A34
Multi SAT
AHEP Left View
A34
Left PDF
A34
Left DWG
A34
Left DXF
Footnotes
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