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#
77: Thermal Pos-I-Tie® Brick Veneer Anchoring
System (Patent# 7,415,803)
The THERMAL POS-I-TIE® is a factory assembled four-piece system that features a plastic wing nut, stainless steel barrel, neoprene washer and screw inserts for steel stud, concrete, CMU, brick and wood backup walls. For backups with insulation or gypsum board, the post anchor screw penetrates the insulation, screws directly into the backup, while sealing the penetration hole.
Product Submittal Sheet PDF
Thermal Pos-I-Tie® versus Pintle & Eye Wire Reinforcement
Download 3D CAD Details (Steel Stud Backup)
Download 3-D CAD Details (CMU Backup)
PLASTIC WING NUT: |
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- Wing nut made from a high quality proprietary plastic material which acts as a thermal break, decreasing thermal transfer through insulation.
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Highly flame resistant with a UL 94 V-0 rating.
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Very low thermal conductivity, over 100 times less than metals such as steel.
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Refer to ACI 530 Code Veneer Chapter section 6.2.1. Alternative design of anchored masonry veneer.
STAINLESS STEEL BARREL: |
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- Very high corrosion resistance.
NEOPRENE WASHER: |
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For backups with insulation or gypsum board, the post anchor screw penetrates the insulation, screws directly into the backup. The wing nut and neoprene washer seal the penetration hole completely preventing mositure from reaching the backup wall.
SCREW INSERTS: |
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Self-Drilling Screw Inserts available for steel stud backup walls.
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Concrete/CMU Screw Inserts available for concrete, CMU, brick and wood backup walls.
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Concrete/CMU Screw Insert |
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Self-Drilling Screw Insert |
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U-Seal Technology™ allows up to 3/4” inward adjustment to fit a variety of combinations of insulations and sheathing, and also creates a water-tight seal preventing moisture from reaching the backup wall. Once installed, the Wing Nut™ is hand tightened to seal the factory-installed washer against the insulation.
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Easy installation with standard 5/16"
hex socket. NO MORE special adapters required.
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Front loading of Pintle Wire Tie to save time and labor.
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The Pintle Wire Tie style allows full vertical adjustment of up to
1 ¼" up or down for easy and proper embedment in mortar bed.
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The Pintle Wire Tie can be furnished with a seismic clip, where required.
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Provides positive lateral support directly against the backup wall.
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Delivers a two-pronged symmetrical and flexible connection, which allows differential thermal expansion. and bending.
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Available in Zinc Plated Carbon Steel or Stainless Steel.
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3/4"
Inward Adjustment
for Each
Size |
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5/16"
Hex Head
for Easy Installation |
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Front loading Pintle Wire Tie
SAVES Time and Money |
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Standard Wire Ties for all Types are:
3" (76mm)
3-1/2" (89 mm)
4" (102 mm)
5" (127 mm)
Available in 3/16" (4.76 mm) diameter wire.
Material: Mill Galvanized, Hotdip Galvanized, or Stainless Steel. Special lengths are available. |
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# 78: Wing Nut Stone Anchor
Stainless Steel Wing Nut Stone Anchor for use with #77 Thermal Wing Nut
Pos-I-Tie®.
The Wing Nut Stone Anchors are notched to fit in the wing holes of the Thermal Wing Nut. The Wing Nut Stone Anchor allows for a vertical adjustability of 1". Maximum gage is 1/8". Minimum overall length is 2". Specify length, width, and bend lengths.
Available in split-bend style ( shown in pictures), straight bend, or pin-type. Product Submittal Sheet pdf |
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| Ultimate Design Loads Compression and Tension |
| 1/4" extension |
160 lbs |
| 1/2" extension |
64 lbs |
| 3/4" estension |
40 lbs |
| 1" extension |
28 lbs |
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Length of the anchor is measured as 1/4" from the face of the insulation to the center of the stone. Installation of the Wing Nut screw should be within 1/4" below the joint to achieve the best load |
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| Determining
the Proper
Wing
Nut Pos-I-Tie® Length:
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Wing
Nut Pos-I-Tie®
Length chart
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Overall
length
of
screw
from
backup |
Adjustable
sheathing
dimensions from backup
(gray shaded) |
2"
51mm |
1/2" - 1-1/4"
13mm-32mm |
2-5/8”
67mm |
1”
- 2 ”
25mm-51mm |
3-1/8”
79mm |
1-1/2” - 2-1/2”
38mm-64mm |
3-5/8”
92mm |
2” - 3 ”
51mm-76mm |
4-1/8”
105mm |
2-1/2” - 3-1/2”
64mm-89mm |
4-5/8”
117mm |
3” - 4”
76mm-102mm |
5-1/8"
130mm |
3-1/2" - 4-1/2"
89mm-114mm |
5-5/8"
143mm |
4" - 5"
(102mm-127mm) |
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Add
up the thickness of the sheathing (insulation
+ gypsum board). This will be the number that
falls between the “Adjustable sheathing
dimensions - gray shaded” area on the chart.
Add in your airspace and make sure the total
distance from the backup to the start of the
veneer is greater than the overall length of the
screw from the backup. If two screws fit the
criteria, choose the shorter overall length
screw.
Example:
5/8”
Dens-glass with 2” insulation and 2”
airspace. Sheathing thickness is 2-5/8”.
Distance from backup to start of veneer is 4-5/8”.
Both the 3-5/8” screw and the 4-1/8”
screw fit the criteria. Specify the 3-5/8”
long screw.
For assistance determining the correct barrel length, please contact our office. |
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| 8 Barrel Lengths |
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Back To Top |
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