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The Simpson Strong-Tie AHEP is a structural purlin that also serves as an installation aid during the truss erection process. The AHEP attaches to the step-down hip trusses at the leading edge eliminating the need for drop top chords and C-stud fillers. The AHEP installs linearly, aligned with the end jacks, to maintain sheathing spacing from eave to hip or peak. Roof sheathing/decking attaches directly to the purlin. Adjustable in length, the AHEP is designed to accommodate a pitch range of 3/12 to 9/12.

For wood-truss applications, see AHEP for wood construction.

Material: 33 mil (20 ga)

Finish: Galvanized

Installation:

• Prior to installation, the AHEP must be set to the proper length and the two tubes fastened together with four #10x3/4" 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 AHEPs on CFS trusses, use four #10x3/4" self-drilling screws.
• Sheathing is attached to the AHEP with knurled pneumatic fasteners or self-drilling screws.
• For efficiency, the AHEPs should be installed in line with the end jacks so that framing alignment can be maintained from eave to hip/ridge.