Delta
Delta 328-sq ft Standard 0.3125-in Flooring Underlayment
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Out of stock — available on backorder
SKU 51050
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Details
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.
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
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 |
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.
Q: Is it mold and mildew resistant?
A: Yes, the polypropylene membrane is moisture, mold, and mildew resistant.
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.
Q: What is the coverage per roll?
A: Each roll covers 328 sq ft (4.75 ft W x 65.5 ft L).
Q: Does it provide sound reduction?
A: Yes, it offers sound absorbing properties with an IIC rating of 20–25.
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.
Create a warmer, drier, and stronger floor—add Delta DELTA-FL underlayment to your project today.
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