Use and Care Manual

246
Copyright © 2020 MiTek Industries, Inc. All Rights Reserved
Truss & Rafter
Truss & Rafter
MiTek
®
Product Catalog
HTA24-18
HTA – 16 or 18 gauge
HTAR – 16 or 18 gauge with attached moisture barrier
HHTA – 14 gauge
Materials: See chart
Finish: G90 galvanizing
Options: See chart for Corrosion Finish Options on page 247
Codes: FL
Installation:
• Use all specied fasteners. See Product Notes, page 18.
• Embed 4" into concrete tie beam or masonry
bond beam.
• For double anchor installations: anchors should be
installed on opposite sides of wood member and offset
a minimum 3/4" from each other in bond beam or
concrete tie beam.
• Designer may specify alternative nailing schedules.
Refer to Nail Specication table on page 23 for nail
shear values, load values shall not exceed published
allowable loads.
• When using alternative nailing schedules, lower-most
holes in strap shall be lled progressing upward
towards the top of the strap.
• Straps may be installed straight or wrapped over to
achieve table loads.
• Moisture barrier will be required in HTA / HHTA unless
another moisture remediation method is used.
HTA / HHTA / HTAR Embedded Truss Anchors
Continued on next page
H
4"
Embedment
W
1-1/2"
3/4" min
offset for
single-ply roof
Typical HTA24-18
single anchor installation
Typical HTA16
double anchor installation
HTA16R
H
4"
Embedment
W
1-1/2"
Moisture
barrier seat
1 Ply 2 Ply 1 Ply 2 Ply
Ref. No.
Type
9
Single Anchor 1870 1870 1870 1870 270 710 945
Double Anchor 2430 2430 2430 2430 1215 1310 1215
Single Anchor 1870 1870 1870 1870 270 710 945
Double Anchor 2430 2430 2430 2430 1215 1310 1215
Single Anchor 1870 1870 1870 1870 270 710 945
Double Anchor 2430 2430 2430 2430 1215 1310 1215
1) Allowable loads have been increased 60% for wind or seismic loads; no further increase shall be permitted.
2) Allowable loads are based on anchorage to masonry/uncracked concrete.
3) DF Allowable Loads are identical to all SP Allowable Loads listed in the chart with the exception of the HTA single anchor
installation type uplift allowable load which is limited to 1730 lbs. in both masonry and concrete.
4) Minimum specified masonry or concrete compressive strength, f'm is 1,500 psi and f'c is 2,500 psi at 28 days respectively.
5) Testing conducted and design values based on unreinforced masonry. Rebar in wall specified by others.
6) Minimum quantity of fasteners to be installed. Product may have additional nail holes not needed to meet published allowable load of product.
7) Height (H) is the distance the anchor extends out of concrete or masonry.
8) Double anchor installation is permitted on 1-ply roof members when anchors are offset from each other a minimum of 3/4".
Do not install anchors directly back-to-back or nails will interfere with each other.
9)
NAILS:
10d x 1-1/2 nails are 0.148" dia. x 1-1/2" long.
HTA12-2R HETA12-TSS2-2
1-1/4 8 916
Fastener
Schedule
HTA12
HTA12R
HETA12
HETA12-TSS2 10d x 1-1/2
MiTek USP
Stock No.
Per Anchor
Dimensions (in)
FL
SP
Allowable Loads (Lbs.)
1,2,3,4,5
Uplift
160%
Uplift
160%
Masonry Concrete
Lateral Loads
Masonry/Concrete (1 or 2 Ply)
Code
Ref.
F2
160%
F3
160%GA W
Min
Qty.
6
F1
160%
Uplift
160%
H
7
(Out of
Concrete)
Uplift
160%
Installation
Type
8
F1
F3
F2
F2
Uplift
F3
F1
F2
F2
Uplift
HHTA16
16"
4"
Embedment
W
1-1/2"
H