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Sound Ratings Cross-Reference Table - All Underlayment Types

QuietWalk QuietWalk Plus QuietWalk Luxury Vinyl Insulayment SoundBuffer SoundStepXL SoundStep Luxury Vinyl DuoFoam TruFuze Armor AbsorbaSound MoistureBlock
IIC Sound Rating 71 71 70 60 68 67 70 50 68 64 n/a
STC Sound Rating 66 66 62 50 64 62 62 n/a 63 63 n/a
Delta Sound Rating 24 24 28 n/a n/a 23 22 n/a 24 n/a n/a

For a complete report of sound test results, please click the product name in this table.

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Quick Cross-Reference Spec Table - All Underlayment Types

QuietWalk QuietWalk Plus QuietWalk Luxury Vinyl Insulayment SoundStepXL SoundStep Luxury Vinyl DuoFoam TruFuze Armor AbsorbaSound MoistureBlock
Laminate Floors X X X   X X X X X X
Floating Engineered Wood X X X     X X X X X
Nail-Down Engineered Wood   X   X         X  
Glue-Down Engineered Wood   X   X   X     X  
Glue-Down Wood   X   X   X     X  
Nail-Down Wood   X   X         X  
Floating Engineered/Rigid Core Vinyl Plank (EVP)     X   X       X X
Glue-down Engineered Vinyl Plank (EVP)     X   X       X  
Glue-down WPC/SPC     X   X          
Floating WPC/SPC     X   X       X X
Floating Luxury Vinyl Plank     X   X       X X
Luxury Vinyl Tile or Plank     X;   X       X  
Tile or Stone       X         X  
Underlayment Thickness 0.125 in 0.125 in 1.4 mm 0.11 in 1 mm 2 mm 0.08 in 2.5 mm 2 mm - 12 mm 0.006 in
Weight per Roll 12 lbs 12 lbs 9 lbs 14 lbs 3 lbs 2.5 2.5 lbs 5 lbs varies w/thickness 3 lbs
Weight (oz/sq ft) 1.84 1.84   2.38     0.12 0.63 varies w/thickness N/A
Density (lb/cu ft) 11.04 11.04 18.28 16.22 8 5 1.125 4 44 N/A
Concrete Emissions alloance (Higher the number the better) lbs/1000 sq ft/day 5 7 6 N/A 3 3 3 Over 10 N/A High
WVTR (lower the number the better) lb/1,000 sq ft/day 1.4 1.87 1.31 No Moisture Barrier 0.18 0.16 0.419 0.15 No Moisture Barrier Complete Moisture Protection
R-Value 0.58 0.58 0.34 0.57 0.24 0.24 0.28 0.35 0.16 N/A
Materials Recycled textile materials Recycled textile materials Recycled textile materials Recycled textile materials Blended Cross Link - Polyethylene & polypropylene Blended Cross Link - Polyethylene & polypropylene Polyethylene 100% recycled Polyethylene materials with MOPP film 96% pre-consumed recycled rubber Polyethylene
Certifications GREENGUARD Gold for low emissions UL2818 GREENGUARD Gold for low emissions UL2818 GREENGUARD Gold for low emissions UL2818 GREENGUARD Gold for low emissions UL2818 Carpet and Rug Institute - Green Label Plus N/A N/A N/A N/A N/A
Available with self-sealing lip & tape X X X   Optional w/ Lip Only   Optional w/ Lip Only X   X

Learn About Flooring Underlayment

If you are looking for information regarding sound/noise reduction, moisture protection, or hiding minor subfloor imperfections with flooring underlayment, MP Global Products provides a wealth of articles to help you choose the proper underlayment for your next flooring project.

How to Fill a Gap Between Baseboard and Flooring

You are about to install your new flooring. As you lay the first plank you realize that there is going to be a gap between your baseboard and your floor. Don’t worry, this issue is more commo...

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QuietBoard Underlayment Installation Instructions

QuietBoard Underlayment is designed for use with floating vinyl plank, laminate, and engineered wood flooring products. The sound reduction underlay system is easy to install and is suitable for us...

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5 Cheapest Ways to Raise Floor Height

Running into an uneven floor is frustrating, this can lead to unexpected costs, in both time and money. If you want to raise the height of a floor, the cheapest and easiest way is to add a thick un...

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