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Simpson-7

Hurricane Ties

Considerations for Hurricane Tie Selection
What is the uplift load?
What is the parallel-to-plate load?
What is the perpendicular-to-plate load?
What is the species of wood used for the rafter and the top plates?
(Select the load table based on the lowest performing
species of wood.)
Will the hurricane tie be nailed into both top plates or the upper top plate only?
What load or loads will the hurricane tie be taking?*
Select hurricane tie based on performance, application, installed cost and ease of installation.

*Allowable simultaneous loads in more than one
direction on a single connector must be evaluated as follows:
Design Uplift/Allowable Uplift + Design Lateral Parallel to Plate /
Allowable Lateral Parallel to Plate + Design Lateral Perpendicular
to Plate / Allowable Lateral Perpendicular to Plate < 1.0.

The three terms in the unity equation are due to possible directions that exist to generate force on a hurricane tie. The actual number of terms used in the equation for each condition is dependant on designer’s method of calculating wind forces and the utilization of the tie in the structural system.

 

The Hurricane Tie series features various configurations of wind and seismic ties for trusses and rafters

Description Ga Item #. Cnt Wgt
H1 18 32610 100 22#
H2 18 32613 100 21#
H2.5 18 32615 100 13#
H2.5A 18 32616 100 11#
H3 18 32614 100 11#
H4 20 32617 100 8#
H5 18 32620 100 11#
H6 18 32621 50 36#
H8 18 32622 100 13#
H10 18 32624 50 20#

Description Ga Item #. Cnt Wgt
H1Z 18 32454 100 22#
H2.5Z 18 32444 100 13#
H2.5AZ 18 32420 100 11#
H3Z 18 32873 100 11#
H5Z 18 32419 100 11#
H6Z 18 32467 50 36#
H8Z 18 32979 100 13#
H10Z 18 32981 50 21#

SIMPSON-7

 

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