Delta 328-sq ft Standard 0.3125-in Flooring UnderlaymentDelta DELTA FL Moisture Resistant Flooring Underlayment Roll A premium polypropylene underlayment designed to create a sealed vapor barrier over concrete floors, keeping basements warm and dry. The dimpled DELTA FL membrane installs quickly and provides a strong, even subfloor with minimal height increase. Key Features: Moisture Protection: Sealed vapor barrier helps prevent moisture rise from concrete slabs Basement Comfort: Thermal break makes

Delta DELTA-FL Moisture-Resistant Flooring Underlayment Roll

A premium polypropylene underlayment designed to create a sealed vapor barrier over concrete floors, keeping basements warm and dry. The dimpled DELTA-FL membrane installs quickly and provides a strong, even subfloor with minimal height increase.

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Key Features:

• Moisture Protection: Sealed vapor barrier helps prevent moisture rise from concrete slabs
• Basement Comfort: Thermal break makes floors feel warmer and drier
• Strong Subfloor: Provides a durable, even base for laminate installations
• Low Profile: Adds only 5/16-in (8-mm) to floor height for minimal headroom loss
• Easy Installation: Roll format with tape seams for fast, straightforward setup

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Specifications Table:

Specification	Details
Collection Name	UNDERLAYMENT
Type	Roll
Coverage Area	328 sq ft
Length	65.5 ft
Width	4.75 ft
Thickness	0.3125 in
Material	Polypropylene (high density polyethylene enhancements)
Antimicrobial	Yes
Cushioning	No
Grade	Premium
IIC Rating	20–25
Moisture Resistant	Yes
Mold/Mildew Resistant	Yes
Package Quantity	1
R-Value per Inch	1.92
Sound Absorbing	Yes
STC Rating	Less than STC-30
Vapor Barrier	Yes
Warranty	5-year limited

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Frequently Asked Questions (FAQ):

Q: What flooring types can be installed over this underlayment?
A: Laminate flooring can be installed directly on DELTA-FL; use appropriate subfloor panels where required by local codes.

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Q: Is it mold and mildew resistant?
A: Yes, the polypropylene membrane is moisture, mold, and mildew resistant.

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Q: How thick is the underlayment and how much height will it add?
A: The membrane thickness is 0.3125 inches and adds approximately 5/16 inch (8 mm) to floor height.

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Q: What is the coverage per roll?
A: Each roll covers 328 sq ft (4.75 ft W x 65.5 ft L).

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Q: Does it provide sound reduction?
A: Yes, it offers sound absorbing properties with an IIC rating of 20–25.

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Elevate the Basement: A Warm, Dry Foundation for Luxe Floors

DELTA-FL lays a sleek, dimpled foundation that transforms chilly concrete into a cozy canvas for refined finishes. Its discreet profile delivers a clean, even base while quietly guarding against moisture. Pair it with rich laminates for a seamless, sophisticated look—your floors will feel warmer and more inviting. Consider it the essential first layer for effortless, luxurious living from the ground up.

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Create a warmer, drier, and stronger floor—add Delta DELTA-FL underlayment to your project today.