Use and Care Manual

346
Manufactured Housing Connectors
Copyright © 2020 MiTek Industries, Inc. All Rights Reserved
MH Connectors
MiTek
®
Product Catalog
The MRT7 Rafter Tie is engineered for wood frame structures built in a factory
environment. These connectors feature embossed “nailing zones” for faster
and safer fastener installation.
Materials: 14 gauge
Finish: G90 galvanizing
Installation:
• Install all specied fasteners using a pneumatic nailer.
• Nailing zones are distinguished by embossed pattern.
• Install fasteners with care not to overdrive fastener causing indentation of
connector.
• Fastener quantities shall be installed symmetrically on both
sides of connector.
• Installer should reduce risk of injury from rebounding fasteners
by using personal eye protection during fastener installation.
• Minimum center-to-center fastener spacing is 1".
MRT7
L
W
4x or 6x stud
1/2" sheathing
Typical MRT7
installation
Typical Knee Wall Set
with MRT7 installation
Ref. No. W L Type
3 3 P or "T" nails 295 135 135 255 85 85
4 4 P or "T" nails 390 180 180 340 115 115
5 5 P or "T" nails 490 195 195 425 145 145
6 6 P or "T" nails 585 195 195 510 175 175
1) "P" nails denotes fasteners designed specifically to be installed with a pneumatic-powered nailer. The fasteners shall be either of a type with
round heads, 0.105" diameter and 1-3/8" long; or a "T" shaped head, 0.097" diameter, 1-1/4" long and hardened; or a similar but larger fastener.
2) Fasteners shall be pneumatically driven in such a way as firmly seats the nail head against the hanger steel, without embedding the nail head
completely through the plane of the metal surface, or otherwise punching through.
3) The quantity of nails installed shall be equally distributed to both sides of the hanger. The nails shall be located at 1" spacing in a row, with
the vertical rows spaced at 3/8"; also no less than 5/16" from a sheared edge and no less than 5/16" from a formed edge.
4) Uplift loads have been increased 60% for wind or seismic load conditions; no further increase shall be permitted.
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Header
Qty
Joist
Qty
Fastener Schedule
1,2,3
F1
160%
F2
160%
Uplift
4
160%
S-P-F Allowable Loads (Lbs.)
Uplift
4
160%
F1
160%
F2
160%
DF/SP Allowable Loads (Lbs.)
Code
Ref.
MiTek USP
Stock No.
Steel
Gauge
Dimensions (in)
MRT7 MMH8 18 1-1/4 7-13/16
MRT7 Rafter Tie
Typical SPTHW installation
MiTek’s SPTHW is a Stud Plate Tie that can be installed on the
top and bottom of each stud at the component plant to stiffen
for shipping and handling. Designed to be installed over 1/2"
structural sheathing.
Materials: 18 gauge
Finish: G90 galvanizing
Codes: IBC, FL, LA
Installation:
• Install all specied fasteners.
DF/SP Allowable Loads (Lbs.)
Ref. No. W H Qty Type
Uplift 160%
1
4x SPTHW4 SPH4R 18 4-1/16 8-3/8 12 10d x 1-1/2 2195
6x SPTHW6 SPH6R 18 6-1/16 9-1/8 12 10d x 1-1/2 2195
1) Uplift loads have been increased 60% for wind or seismic loads; no further increase shall be permitted.
2)
NAILS:
10d x 1-1/2 nails are 0.148" dia. x 1-1/2" long.
IBC,
FL, LA
Stud
Size
MiTek USP
Stock No.
Steel
Gauge
Code
Ref.
Dimensions (in)
Fastener Schedule
2
SPTHW
H
W
1-1/4"
SPTHW Stud Plate Ties