PAC International RSIC-1
The PAC International RSIC-1 is a resilient sound isolation clip that separates drywall from framing to divert vibration away from adjacent rooms. It pairs with standard 7/8" hat channel on wood or light-gauge steel and installs quickly across walls and ceilings — including tight retrofit conditions.
- Proven Decoupling: Suspends furring channel on a flexible mount to create a controlled break in the structure, limiting sound-energy transfer through the assembly.
- Low-Profile Build-up: Compact dimensions enable acoustic upgrades without altering framing layouts or reducing interior floor area — ideal for retrofits and dimensional constraints.
- Installer-Friendly: Pre-aligned mounting points and a straightforward channel attachment method keep clip spacing precise while reducing on-site labor.
- High-Load Capacity: Balances support with calibrated flex so the clip carries significant system weight without sacrificing acoustic isolation.
Online orders up to 4,999 pieces. For anything larger, call (415) 864-4440 and we'll price the project with you.
Volume pricing
$4.99 per clip. Order 250+ clips and pay $4.74 per clip — an extra $0.25 off per clip for each additional 250 clips, down to a $2.99 per clip floor.
Discounts apply automatically in the cart and count boxes and cases toward the total.
RSIC-1 Specifications
- Width
- 1 1/4 in
- Height
- 3 in
- Depth
- 1 7/16 in
- Max spacing
- 24 in × 48 in on center
- Max load
- 36 lb
- Isolation element
- Molded rubber isolator with central washer
- Compatible channel
- 7/8 in 25-gauge hat channel
Hat channel specs
- Minimum gauge
- 25 gauge (hemmed edge)
- Depth
- 7/8 in or 1 1/2 in
- Width — top
- 1 1/4 in
- Width — bottom
- 2 1/2 in max
- Fasteners (wood)
- #8 × 2 1/2" coarse thread
- Fasteners (steel)
- #8/10/12 × 1 5/8" Type S self-tapping
RSIC-1 Project Calculator
Enter your surface square footage. We'll return a clip, channel, and screw count for your project — calculations run on our servers so estimates stay accurate as our field data improves.
Adds MLV over Good for a denser limp-mass layer.
Estimates follow the manufacturer's standard clip and hat-channel layout for walls and ceilings. A 10% coverage buffer is recommended to cover cuts and re-work.
STC Gauge
Compare how the RSIC-1 performs across assembly tiers. Select an assembly below to see the resulting STC score.
RSIC-1 + hat channel + MLV + double 5/8" drywall with Green Glue between layers, insulated stud wall.
- STC 30-39: Loud speech clearly audible next room.
- STC 40-49: Loud speech muffled — normal residential wall.
- STC 50-59: Loud speech barely audible; suitable for offices & multi-family.
- STC 60+: Approaches studio-grade isolation.
How RSIC-1 compares
| Model | Primary Use | Hat Channel | Typical Layout | Isolation Element |
|---|---|---|---|---|
| RSIC-1this | Resilient isolation clip for walls & ceilings | 7/8" 25-ga | ≤24" o.c. channel · ≤48" o.c. clips | Resilient rubber / elastomer |
| RSIC-1 | Baseline resilient isolation clip | 7/8" 25-ga | ≤24" o.c. channel · ≤48" o.c. clips | Molded rubber isolator |
| Resilmount A237R | Resilient sound isolation clip (Resilmount) | 7/8" or 1 1/2" 25-ga | ≤24" o.c. channel · ≤48" o.c. clips | Thermoplastic rubber sound cells |
Applicable Assemblies
See where the RSIC-1 fits — from budget baseline to studio-grade isolation.
Best — RSIC-1 + Insulation + MLV + Double Drywall + Green Glue
Stud wall · Rockwool insulation · RSIC-1 + hat channel · MLV · 5/8" drywall · Green Glue · 5/8" drywall · acoustic sealant.
Better — RSIC-1 + Double Drywall + Green Glue
Stud wall · Rockwool insulation · RSIC-1 + hat channel · 5/8" drywall · Green Glue · 5/8" drywall · acoustic sealant.
Good — RSIC-1 + Silent FX Drywall
Stud wall · Rockwool insulation · RSIC-1 + hat channel · Silent FX damped drywall · acoustic sealant.
