Height Above Plate HAP Matching Rafter Calculator

Strong Built Establishments Builders

SBE Builders is a commercial and residential framing contractor located in Discovery Bay California. Our Systematic Construction Logic produces Strong Built Establishments.

Height Above Plate For Matching Rafters Calculator
H.A.P. v1.0

	Pitch

	Rafter Seat Cut Length

	Main Rafter Material Depth

	Matching Rafter Material Depth

results are show below in the IFrame window

This height above plate rafter script - calculator will return the H.A.P. for different sizes of rafters with equal pitchs. The script also returns passed or failed for the D/4 and 1/3 rule for rafter bearing above the plate line.

hap-match.pl source code for perl script that generates these rafter calculations

HAP rafter table for all material sizes and pitches

SBE Builders
5305 Laguna Ct.
Discovery Bay, California 94505
(925) 634-6022 • Fax: (925) 634-6022

Commercial & Residential Framing Contractor
Buil it Green Framing Contractor
Licensed Building Contractor
CA LIC.# 546126

Systematic Construction Logic

Awareness: Be aware of all new building materials and codes that effect the entire structure.
Understanding: Have a complete understanding of the construction sequences that effect the entire structure.
Optimizations: Pursue ideas that optimize the construction sequences that effect the entire structure.

Canadian & American Geometric Roof Framing Development
using a Steel Framing Square

Geometric Roof Framing Development for Irregular Hip Roof Calculations
using a Steel Framing Square

Geometric Development of Tetrahedron
using a Steel Framing Square

A geometrical and mathematical work on square tail fascia hip roofs
using a Steel Framing Square

Website Usage Legal Policy