Summarized WEAL Lab Test Results
| Sound Absorption Results NRC's | |
| Acoustic Quiet Curtains | NRC |
| Nova Suede French Pleat 2.5 X fullness | .55 |
| Nova Suede Double Sided 2X fullness | .60 |
| Vara Velvet French Pleat 2.5 fullness | .80 |
| Vara Velvet Double Sided 2X fullness | .85 |
| Visa Velvet French Pleat 2.5 fullness | .60 |
| Visa Velvet Double Sided 2X fullness | .65 |
| Solitaire French Pleat 2.5 fullness | .45 |
| Solitaire Double Sided 2X fullness | .50 |
| Average Sound Blocking Results in Decibel Reductions Above | ||
| 500hz | 800hz | |
| STC 20 Quiet Curtains | 24.7 | 25.6 |
| Acoustic Quiet Curtains | ||
| Nova Suede French Pleat 2.5 X fullness | 4.7 | 5.6 |
| Nova Suede Double Sided 2X fullness | 5.8 | 6.6 |
| Vara Velvet French Pleat 2.5 fullness | 5.1 | 5.9 |
| Vara Velvet Double Sided 2X fullness | 7.5 | 8.3 |
| Visa Velvet French Pleat 2.5 fullness | 3.8 | 4.6 |
| Visa Velvet Double Sided 2X fullness | 5.2 | 5.9 |
| Solitaire French Pleat 2.5 fullness | 4.3 | 5.0 |
| Solitaire Double Sided 2X fullness | 4.4 | 5.0 |
| Satin Splash Double Sided 1x fullness | 3.8 | 4.3 |
| Satin Splash Double Sided 2x fullness | 5.4 | 6.1 |
Under normal conditions, the following will serve adequately well as a general guide on the impact of variances in sound pressure levels:
- 1 dB change is imperceptible
- 3 dB change is just perceptible
- 5 dB change is clearly perceptible
- 10 dB change is substantial (halves or doubles noise heard)
Detailed Specifics of WEAL Lab Test Results
Full WEAL Test Results with STC 20
AB07-166 NRC Nova Suede French Pleat
AB07-167 NRC Nova Suede Double Sided
AB07-168 NRC Vara Velvet French Pleat
AB07-169 NRC Visa Velvet French Pleat
AB07-170 NRC Solitaire French Pleat
TL07-496 STC Window
TL07-497 STC Nova Suede French Pleat
TL07-498 STC Vara Velvet Double Sided
TL07-501 STC Nova Suede Double Sided
TL07-502 STC Solitaire Double Sided
TL07-503 STC Visa Velvet Double Sided
TL07-505 STC Vara Velvet French Pleat
TL07-506 STC Solitaire French Pleat
TL07-507 Visa Velvet French Pleat
TL07-508 STC Satin Splash DS DF
TL07-509 STC Satin Splash DS SF
TL08-158 STC 20 Lining