Use and Care Manual

244
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Truss & Rafter
Truss & Rafter
MiTek
®
Product Catalog
NOP2X
NOP1
Typical LPTA
perpendicular installation
Typical LPTA
parallel installation
NOP4
Typical NOP4 installation
NOP Moisture Barrier Plates
Moisture Barrier Plates protect the bottom chords of trusses from
moisture damage caused by direct contact with concrete. These
plates eliminate the need for more expensive treated wood plates.
Materials: See chart
Finish: G90 galvanizing
Installation:
• Use all specied fasteners. See Product Notes, page 18.
• Pre-attach to truss bottom chord or rafter using pre-punched prongs
and/or 6d common nails to prevent wood-to-concrete contact.
Size Ref. No. W L Qty Type
NOP2X TSS2, TBP8 26 1-7/16 8 -- --
NOP1 -- 22 1-1/2 8 2 6d
4x NOP4 TSS2-2 26 3-1/2 8 2 6d
1)
NAILS:
6d nails are 0.120" dia. x 2" long.
2x
Code
Ref.
--
MiTek USP
Stock No.
Steel
Gauge
Dimensions (in)
Fastener Schedule
1
LPTA Embedded Truss Anchors
Low prole design attaches to 2x4 or larger bottom chords and
provides uplift and lateral load resistance.
Materials: 18 gauge
Finish: G90 galvanizing
Codes: FL
Installation:
• Use all specied fasteners. See Product Notes, page 18.
• Embed LPTA 4" into concrete tie beam or masonry bond beam.
• Anchors should be spaced no closer than 8" center-to-center.
• Moisture barrier may be required.
Ref. No. W H Type
Perpendicular 1510 335 745 345 1510 280 745 345
Parallel 1470 750 1085 335 1470 750 975 280
1
)
Allowable loads have been increased 60% for wind or seismic loads; no further increase shall be
p
ermitted.
2
)
Connector shall be installed to full
y
g
routed and reinforced masonr
y
units
(
CMU
)
t
yp
e S or better mortar or
reinforced concrete
(
f'c = 2,500
p
si at 28 da
y
s
)
.
3
)
Minimum
q
uantit
y
of fasteners to be installed. Product ma
y
have additional nail holes not needed to meet
p
ublished allowable load of
p
roduct.
4
)
The five nail holes nearest the embedment line must be filled to achieve the lateral loads listed in the table.
5
)
NAILS: 10d x 1-1/2 nails are 0.148" dia. x 1-1/2" lon
g
.
Load
Direction
to Wall
Installation
Code
Ref.
FL18
Dimensions
(in)
10 10d x 1-1/2
Uplift
160%
Uplift
160%
Per Anchor
F1
160%
F2
160%
F3
160%
F1
160%
F2
160%
Min
Qty
3,4
F3
160%
DF/SP
Allowable Loads (Lbs.)
1,2
S-P-F
Allowable Loads (Lbs.)
1,2
Fastener Schedule
5
LPTA LTA2 5 8-1/4
MiTek USP
Stock No.
Steel
Gauge
L
W
L
W
L
W
Uplift
F1
F3
F2
LPTA
1-7/16"
1-3/4"
H
W
4"
Uplift
F1
F1
F3
F2