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GenieClip® LB4

$7.50
per clip
Lead Time: 1-3 DAYS
  • Used on perimeter of ceiling or wall if backing is not available
  • Cost To Ship: $10 (regardless of quantity)
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The installation of sound isolation clips for drywall requires a clip within a few inches of the perimeter. There are times when the layout of the ceiling joists does not allow for proper backing near the perimeter. This is where the GenieClip® LB4 is used. This perimeter drywall clip will help to avoid extra labor and cost of adding in blocking or additional joists. The performance of the GenieClip® LB4 is at the same level of the standard GenieClip® RST.

Maximize the performance of the GenieClip® system by adding resilience to the floor above. We recommend the use of GenieMat® RST02 for a low cost high performance underlayment. This will increase the IIC rating by at least 6 IIC points and the STC rating by at least 2-3 points.

Maintain the layout and spacing used in the rest of the ceiling or wall partition.

GenieClip® LB4 Install GuidePDF 353 KB

Use a #8 1-1/2" coarse thread screw for wood framing or #8 1" self tapping screw for metal framing. The standard spacing from clip to clip is a maximum of 48" with each row of clips spaced either 24" or 16" from each other. These rows require a GenieClip® within 3" of the end of the run. This provides support for the furring hat channel and drywall attached to the channel. If backing is not available within 3" of the end of the run, then the GenieClip® LB4 is used. For ceilings, the GenieClip® LB4 attaches to the wall with the clip faced down and the long side of the L bracket flush with the nearest ceiling joist.

GenieClip® LB4 Wall TerminationPDF 106 KB

GenieClip® LB4 Specs
Dimensions 2-1/2" wide x 1-3/4" tall x 4" length
Projection Up to 1-5/8" from structure with 7/8" channel
Weight .37 pounds
Minimum Pullout 108 pounds
Load Failure 445 pounds pullout with 25 gauge channel
Shore A Durometer 37 durometer

*All test results shown in this table were achieved through third party testing from accredited laboratories. The full test is available upon request. The clip is the same for the GenieClip® RST and GenieClip® LB4.

Independent Sound Test Results
Type Assembly STC IIC
Ceiling Wood joists, R-19 insulation, single 5/8" drywall direct to framing, single layer sub-floor 39 31
Ceiling Wood joists, R-19 insulation, single 5/8" drywall on GenieClip® RST, double layer sub-floor 52 48
Ceiling Wood joists, R-19 insulation, double 5/8" drywall on GenieClip® RST, no finish floor 54 51
Ceiling Wood joists, R-19 insulation, double 1/2" drywall on GenieClip® RST, GenieMat® RST02 over sub-floor, 5/16" porcelain tile finish floor 59 55
Ceiling Wood joists, R-19 insulation, double 1/2" drywall on GenieClip® RST, GenieMat® RST10 over sub-floor, 1/2" plywood on top with hardwood nailed to plywood 60 63
Ceiling Wood joists, R-19 insulation, single 1/2" drywall on GenieClip® RST, GenieMat® RST02 over sub-floor, 1/2" wood floors or vinyl floors 60 56
Ceiling Wood joists, R-19 insulation, double 1/2" drywall on GenieClip® RST, GenieMat® RST02 over sub-floor, 1/2" wood floors or vinyl floors 60 61