With the highest STC rating of any wood product – walls, floors, and roofs – using QuietWood will
exceed your expectations in producing a quiet environment.

  • QuietWood can be used in place of standard plywood
  • Quiet Wood is the only wall system to achieve STCs of 58 with standard construction
  • Quiet Wood is ideal for use in existing or new construction
  • Quiet Wood is easily installed by homeowner or contractor, even over an existing floor
  • Quiet Wood is significantly more cost- and noise-effective than traditional products
  • Quiet Wood quickly solves difficult noise problems between floors and rooms

Benefits of QuietWood

  • Ready to use in standard 4’ x 8’ panels
  • Floor/Ceiling systems with QuietWood 631 have shown a 30dB improvement in high-heel footfall noise with no poured gypsum/concrete required
  • Can easily be installed by homeowner or contractor, even over an existing floor
  • Quickly solves difficult STC & IIC noise problems between floors and rooms

Typical Applications

  • Multifamily construction
  • High-end single family residences
  • Home theaters or recording studio
  • Soundproof a workshop garage

QuietWood Product Portfolio
Lab tested, use exactly like wood in standard construction. For subfloors, exterior walls, roof sheathing.

Model

Thickness

Weight

Tolerance

STC

Applications

620

1-1/4"

3.2 lbs/sqft

Min - 1.155"
Max - 1.280"

49-55

Lowest-cost assembly

630

5/8"

2.3 lbs/sqft

Min - 0.540"
Max - 0.630"

51-62

Shear wall and
remodeling,
no demolition needed

631

1-1/8"

3.8 lbs/sqft

Min - 1.035"
Max - 1.160"

58**

Structurally-rated,
1 hour fire-rated,
for new construction

640

1-3/8"

4.4 lbs/sqft

Min - 1.285"
Max - 1.415"

54-68

High-end home theaters and studios

Product Data Sheets

Quiet Wood QW-620, 630, 640
Quiet Wood QW-631