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GenieMat RST is a high-performance, resilient sound control underlayment engineered for direct installation beneath hard surface floor finishes. Manufactured from 94% recycled rubber, it provides superior impact sound insulation in multi-family housing, high-rises, and commercial buildings.
Developed from patented recycled rubber technology (US 6920723, US RE41945, CA 2398262), GenieMat RST reduces impact noise transmission while protecting ceramic tile, porcelain, stone, wood, and vinyl flooring from substrate cracks.
Designed for direct-adhered floor coverings, GenieMat RST offers long-term durability, crack isolation performance, and industry-leading acoustic results across concrete, wood, and steel construction assemblies.
Minimum Order: 16
Available Thickness & Roll Sizes
|
Product |
Roll Size |
Dynamic Stiffness (BS EN 29052) |
Hardness (ASTM D2240) |
Commercial Rating |
|
2mm |
4’ x 75’ |
157 MN/m² |
50 durometer |
Extra Heavy Commercial |
|
5mm |
4’ x 30’ |
105 MN/m² |
50 durometer |
Moderate Commercial |
|
10mm |
4’ x 15’ |
64 MN/m² |
50 durometer |
Light Commercial |
Features & Benefits
Manufactured with 94% recycled rubber content
Superior impact sound insulation performance
Mold, bacteria, fungi, and water resistant
Exceeds ANSI 118.12 crack isolation membrane requirements
Meets VOC emissions standards (ASTM D5116)
Qualifies for LEED points
Floorscore certified
Positive adhesive lock for very high bond strength
Performance Highlights
Impact Sound Reduction (ASTM E2179)
Installed beneath ceramic tile over concrete slabs, GenieMat RST delivers up to:
23 dB impact sound reduction (RST12 ½”)
21 dB (RST10 3/8”)
19 dB (RST05 3/16”)
Rubber remains the most effective vibration isolation material, making GenieMat RST a top-tier choice for demanding acoustic assemblies.
| Test Report | Product | Finish Floor | Structure | STC | IIC |
| F4832.18 | 2mm (4’ x 75) | Porcelain Tile | Engineered Joist | 59 | 55 |
| F5500.03 | 2mm (4’ x 75) | Vinyl Plank | Engineered Joist | 61 | 60 |
| F4832.14 | 2mm (4’ x 75) | Wood | Engineered Joist | 58 | 61 |
| F2761.08 | 2mm (4’ x 75) | Wood | CLT | 54 | 50 |
| 5013143 | 2mm (4’ x 75) | Vinyl Plank | 2x10 Solid Wood Joist | 55 | 50 |
| 5013136 | 2mm (4’ x 75) | Ceramic Tile | 2x10 Solid Wood Joist | 58 | 52 |
| E5958.07 | 5mm (4’ x 30’) | Vinyl Plank | CLT | 58 | 58 |
| Test Report | Product | Finish Floor | Structure | STC | IIC |
| G9222.04 | 2mm (4’ x 75) | Vinyl Plank | 8" Concrete Slab | 54 | 57 |
| G3991.17 | 2mm (4’ x 75) | Wood | 1/2" Trapezoidal Steel Deck | 53 | 52 |
| F5689.07 | 2mm (4’ x 75) | Vinyl Plank | 4" Trapezoidal Steel Deck | 54 | 54 |
| F5689.20 | 2mm (4’ x 75) | Vinyl Plank | 10" Steel Joist | 60 | 52 |
| F5689.21 | 2mm (4’ x 75) | Wood | 10" Steel Joist | 60 | 53 |
| E8741.01 | 5mm (4’ x 30’) | Ceramic Tile | 8" Concrete Slab | 57 | 55 |
| F8530.06 | 5mm (4’ x 30’) | Wood | 8" Concrete Slab | 55 | 56 |
| E2783.02 | 5mm (4’ x 30’) | Porcelain Tile | 6" Concrete Slab | 54 | 50 |
| G2953.07 | 5mm (4’ x 30’) | Wood | 6" Concrete Slab | 52 | 53 |
| F0223.04 | 5mm (4’ x 30’) | Vinyl Plank | 8" Hollow Core Plank | 53 | 52 |
| G3991.07 | 5mm (4’ x 30’) | Porcelain Tile | 1/2" Trapezoidal Steel Deck | 56 | 51 |
| F9365.02 | 5mm (4’ x 30’) | Porcelain Tile | 4" Trapezoidal Steel Deck | 58 | 51 |
| F5689.06 | 5mm (4’ x 30’) | Wood | 4" Trapezoidal Steel Deck | 55 | 54 |
| F3052.14 | 5mm (4’ x 30’) | Wood | 16" ICF | 54 | 53 |
| F3052.15 | 10mm (4’ x 15’) | Porcelain Tile | 16" ICF | 56 | 51 |