Head-of-wall drift and deflection for exterior curtain wall and interior, nonload-bearing walls
ClarkDietrich Drift Head-of-wall clips are used in deflection conditions for in-fill curtain wall assemblies and/or interior nonload-bearing partitions to provide for both vertical (deflection) and lateral (drift) movement.
ClarkDietrich Drift Head-of-wall clips are used in deflection conditions for in-fill curtain wall assemblies and/or interior nonload-bearing partitions to provide for both vertical (deflection) and lateral (drift) movement. These clips are used in place of, or in combination with, deflection track.
The Drift Head-of-wall clips can be attached to the underside of structural members, concrete decks or floor assemblies. Structural attachments are positioned in the center of the slot to allow building drift. The "C" shaped end of the clip is slid inside of the structural stud and not fastened allowing for vertical deflection. Studs must be cut less than full height to enable vertical movement up to 2" (1" up and down).
- U.S. Patent No. D839,078
Product Data & Ordering Information:
(DHOW-LG) Clips for attaching 20ga (33mil), 18ga (43mil), or 16ga (54mil) structural studs.
| Product code | Gauge | Mils | Design thickness | Size | Packaging pcs/bucket |
|---|---|---|---|---|---|
| DHOW3-LG | 14 | 68 | 0.0713 | For 3-5/8" studs | 25 |
| DHOW6-LG | 14 | 68 | 0.0713 | For 6" studs | 25 |
| DHOW8-LG | 14 | 68 | 0.0713 | For 8" studs | 25 |
(DHOW-HG) Clips for attaching 14ga (68mil) or 12ga (97mil) structural studs.
| Product code | Gauge | Mils | Design thickness | Size | Packaging pcs/bucket |
|---|---|---|---|---|---|
| DHOW3-HG | 14 | 68 | 0.0713 | For 3-5/8" studs | 25 |
| DHOW6-HG | 14 | 68 | 0.0713 | For 6" studs | 25 |
| DHOW8-HG | 14 | 68 | 0.0713 | For 8" studs | 25 |
Material Structural Grade 50 Type H (ST50H), 50ksi
Coating G90 (Z275) hot-dipped galvanized coating
See submittals for product weights
Installation:
The Drift HOW clips come in two designs. The DHOW-LG (light gauge) is designed to be installed in structural stud gauges 20ga (33mil), 18ga (43mil) or 16ga (54mil). The DHOW-HG (heavy gauge) is designed to be installed in structural stud gauges 14ga (68mil), 12ga (97mil). Attachment to the primary structure can be made with 1/4-14 screws, or concrete anchors and shall be driven through the slotted holes and positioned in the center of the slot to allow building drift. To ensure slip, back-out the fasteners about 1/2 turn. The "C" shaped end of the clip is slid inside of the structural stud and is not fastened, which allows for vertical deflection. Drywall screws (in the stud) shall be placed no closer than 4" from the slotted leg of the clip.
Catalog Pages
ASTM & Code Standards:
- Sheet steel meets or exceeds requirements of ASTM A1003
- Galvanized coating meets or exceeds requirements of ASTM A653
PRoduct submittal SHeets
Click the below Product Code to view Submittal/Tech Datasheet.
| Product code | Description |
|---|---|
| DHOW3-LG | Drift Head-of-Wall Clips for attaching 20ga (33mil), 18ga (43mil), or 16ga (54mil) structural studs |
| DHOW6-LG | |
| DHOW8-LG | |
| DHOW3-HG | Drift Head-of-Wall Clips for attaching 14ga (68mil) or 12ga (97mil) structural studs |
| DHOW6-HG | |
| DHOW8-HG |
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