Cali Bamboo 100-sq ft Premium 3 mm Flooring UnderlaymentPremium 3 mm recycled felt flooring underlayment, 100 sq ft roll Premium recycled felt underlayment that cushions floors, reduces sound, and helps insulate cold subfloors. Designed for laminate, engineered hardwood, and luxury vinyl installations with easy 3 in overlap film and adhesive strip for quick linking across rolls. Key Features: Sound Reduction: Absorbs noise to deliver deeper, richer wood sound (STC 66, IIC 67) Comfort & Leveling: 3 mm

Premium 3 mm recycled felt flooring underlayment, 100-sq ft roll

Premium recycled felt underlayment that cushions floors, reduces sound, and helps insulate cold subfloors. Designed for laminate, engineered hardwood, and luxury vinyl installations with easy 3-in overlap film and adhesive strip for quick linking across rolls.

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Key Features:

• Sound Reduction: Absorbs noise to deliver deeper, richer wood sound (STC 66, IIC 67)
• Comfort & Leveling: 3 mm thickness cushions flooring and helps cover minor subfloor imperfections
• Easy Installation: Integrated adhesive strip with 3-in overlap film for linking multiple rolls
• Eco-Friendly Construction: Made from 100% recycled fibers
• Thermal Performance: Adds R-value, helps insulate cold floors; rated for radiant heat

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Specifications Table:

Specification	Details
Type	Roll
Coverage Area	100 sq ft
Length	27.3 ft
Width	3.67 ft (44 in)
Thickness	3 mm
Material	Premium recycled felt
Antimicrobial	Yes
Cushioning	Yes
Enhancements	Premium recycled felt
Grade	Premium
IIC Rating	67
STC Rating	66 (more than STC-50)
Moisture Resistant	Yes
Mold/Mildew Resistant	Yes
Package Quantity	1 roll
R-Value per Inch	0.59
Delta IIC	21
Perm Rating	0.275
Vapor Barrier	No
For Use Over Concrete	Yes
For Use Over Plywood	Yes
For Use Over Existing Hardwood	No
For Use Over Subfloor	Yes
For Use Under Laminate With Pre-Attached Pad	Yes
For Use Under Floating	Yes
For Use Under Glue Down	Yes
For Use Under Hardwood	Yes (engineered hardwood)
For Use Under Laminate	Yes
For Use Under Luxury Vinyl	Yes
For Use Under Luxury Vinyl With Pre-Attached Pad	Yes
For Use Under Nail Down	Yes
For Use Under Porcelain/Ceramic	No
Warranty	None
Unit of Measure	Each
Weight per Roll	10.11 lbs
Diameter of Roll	7.5 in
Density	14.5 lbs/ft³

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Frequently Asked Questions (FAQ):

Q: What floor types can this underlayment be used under?
A: Compatible with laminate, engineered hardwood, luxury vinyl (including with pre-attached pad), floating, glue-down, and nail-down installations; not for porcelain/ceramic.

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Q: Does it provide moisture or vapor protection?
A: It is moisture resistant felt but not a vapor barrier; use appropriate moisture protection if required by your installation.

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Q: How large is each roll?
A: Each roll covers 100 sq ft and measures 44 in W x 27.3 ft L x 3 mm thick.

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Q: Is it suitable over different subfloors?
A: Yes—approved for use over concrete, plywood, and subfloor surfaces; not for existing hardwood.

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Q: Is it safe for homes with concerns about mold or allergens?
A: Yes—constructed with mold/mildew-resistant properties and is antimicrobial.

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A Quiet, Cushioned Foundation for Elevated Floors

This premium felt underlayment creates a hushed, luxurious ambiance, softening each step while enriching the acoustic warmth of wood tones. The recycled fiber composition and saturated green film bring a refined, tailored look to the unseen layers of design. Pair it beneath wide-plank engineered wood or luxe vinyl for a seamless, plush feel throughout. Consider it the essential base that transforms everyday living into an elegant experience.

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Upgrade your next floor install with Cali Bamboo’s premium felt underlayment for quieter, cozier rooms—add to cart today.