FERO Corporation, PAC-TIE NOTES, Manufacturer of Masonry Connectors, Ties and Fasteners

(i)	The design values reflect both the windward and leeward capacity of the Pac-Tie system, with the governing values listed.
(ii)	The Pac-Tie system recommended design load values were formulated using working stress design following the procedures of CSA CAN3-A370-04 “Connectors for Masonry”, ACI/ASCE/TMS/518 and U.B.C. The values have been reduced to account for test result variation, and reflect a factor of safety of 2.25 (i.e., 75% of 3.0), as per Table 3 (A370).
(iii)	The allowable mortar pull-out or push-out design load for the V-Tie™ embedded at the centerline of 90 mm (3.5”) brick veneer utilizing Type M, S or N mortar, exceeds or equals the recommended design loads listed above.
(iv)	For the Pac-Tie tests, “protected drywall”consisted of Perma-Barrier (W.R. Grace) adhered to 12.7 mm (0.5”) drywall, which satisfies the proposed tie attachment definition and detail to be included in the next revision of CSA CAN3-A370-04, ACI/ASCE/TMS/518 and U.B.C. Note that this detail is not recommended for use in high humidity buildings such as swimming pools, etc.
(v)	The above design values relate to the capacity of the Pac-Tie components. Compatible fasteners capable of resisting the design loads must be selected.
(vi)	The above design values are based on test results utilizing the V-Tie™ located at the AB-Clip centerline, and a 100 mm (4”) cavity. No insulation was used. Note that for smaller cavity widths and/or with the addition of insulation sheathing providing lateral tie support, increased tie system design loads and reduced tie system deflections may be realized.
(vii)	Maximum recommended spacing reflects the maximum allowable by CSA-A370-04, ACI/ASCE/TMS/518 and U.B.C. For stud construction every vertical stud should contain ties. Design will ultimately govern spacing.

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