(415) 864-4440
Dura Underlay

8mm DuraCoustic Acoustic Underlayment Roll

DuraCoustic is an 8 mm heavy-duty rubber acoustic underlay engineered for the toughest impact-isolation specs. IIC 92 in tested assemblies — the layer we reach for when the room above must be effectively silent through the finished floor.

  • IIC 92: Lab-rated impact isolation in tested Dura floor assemblies.
  • 8 mm recycled rubber: Dense recycled-rubber core delivers acoustic mass and long-term resilience.
  • Certified for radiant: Certified for radiant-heat flooring
  • Superior impact sound absorption: Superior impact sound absorption
  • Residential + commercial: Rated for both residential and commercial traffic loads.
$249.99
/ roll

Online orders up to 500 rolls. For anything larger, call (415) 864-4440 and we'll price the project with you.

Freight shipments include a $100 freight-and-handling charge.

Authorized Dura DealerUnderlayment for floating & glued floorsLocal pickup: SF, San Leandro, LA
Product Specs

8mm DuraCoustic Specifications

Application
Installs with Engineered hardwood, laminate, ceramic, natural stone, carpet tile, vinyl, and carpet
Thickness
8 mm
Acoustic performance
IIC 92
Composition
Recycled rubber composite
Traffic rating
Residential & commercial
Roll size
54" × 24 ft
Coverage per roll
108 sq ft
Roll weight
65 lb
Quantity Calculator

8mm DuraCoustic Project Calculator

Enter your floor square footage — we'll estimate the number of 8mm DuraCoustic rolls needed (each roll covers 108 sq ft).

Roll coverage varies by SKU — send us your room dimensions and we'll confirm rolls needed with a 10% waste buffer.

Estimated Materials
—Underlay rolls needed
Indicative only. Final quantities vary by framing spacing and access.
Sound Performance

IIC Gauge

Compare how the 8mm DuraCoustic performs across assembly tiers. Select an assembly below to see the resulting IIC score.

Dura 8mm DuraCoustic + double subfloor with Green Glue between layers.

IIC92
080
What the score means
  • 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.
Product Comparison

How 8mm DuraCoustic compares

ModelThicknessIICBest For
2mm DuraPad2 mm72Luxury Vinyl Tile (LVT), Luxury Vinyl Plank (LVP), and Carpet Tile
3mm DuraQuiet3 mm74Tile, ceramic, natural stone, carpet tile, and vinyl flooring
3mm DuraLux Grip3 mm74Area rugs and runners
3.5mm Dura-Son3.5 mm74Laminate and engineered hardwood floors
3.5mm Dura-Son MB3.5 mm74Laminate and engineered hardwood floors over concrete
5mm Protector5 mm81High-traffic carpet, luxury vinyl plank (LVP), and carpet tile
6mm DuraCushion6 mm86Carpet, LVP, engineered hardwood, and floating floor systems
7mm DuraLux Comfort7 mm85Premium area rugs, runners, and LVP
8mm DuraCousticthis8 mm92Engineered hardwood, laminate, ceramic, natural stone, carpet tile, vinyl, and carpet
10mm Super Dura10 mm94Any hard or soft finished floor over wood-framed or concrete subfloors
Downloads

Data Sheets & Guides

Dura 8mm DuraCoustic — Data Sheets Library
FAQ

8mm DuraCoustic — Common Questions

8mm DuraCoustic is spec'd for engineered hardwood, laminate, ceramic, natural stone, carpet tile, vinyl, and carpet. Confirm the finish manufacturer's underlayment compatibility for warranty coverage.