DELTA 105-sq ft Standard Flooring Underlayment
Regular price $70.85105-sq ft Moisture-Resistant Flooring Underlayment
Dimpled DELTA-FL underlayment creates a sealed vapor barrier and thermal break over concrete and slab-on-grade floors, helping basements feel warmer and drier. The polypropylene roll installs quickly and supports laminate, hardwood, and luxury vinyl floating floors.
Key Features:
- Fast Installation: Roll-out design simplifies basement and slab applications
- Moisture Protection: Sealed vapor barrier and capillary break prevent moisture migration
- Warmer Floors: Built-in thermal break improves comfort underfoot
- Durable Construction: High-density polyethylene/polypropylene membrane provides a strong, even subfloor
- Low Profile: Adds only 5/16-in (8 mm) height for minimal reduction in headroom
Specifications Table:
| Specification | Details |
|---|---|
| Collection Name | UNDERLAYMENT |
| Type | Roll |
| Coverage Area | 105 sq ft |
| Length | 3.5 ft |
| Width | 30 ft |
| Thickness | 0.3125 in (5/16 in / 8 mm) |
| Material | Polypropylene; high-density polyethylene enhancements |
| Antimicrobial | Yes |
| Cushioning | No |
| Grade | Premium |
| IIC Rating | 20–25 |
| STC Rating | < STC-30 |
| Moisture Resistant | Yes |
| Mold/Mildew Resistant | Yes |
| Vapor Barrier | Yes |
| Sound Absorbing | Yes |
| R-Value per Inch | 1.92 |
| Package Quantity | 1 |
| For Use Over Existing Hardwood | Yes |
| For Use Over Subfloor | Yes |
| For Use Under Laminate | Yes |
| For Use Under Laminate With Pre-Attached Pad | Yes |
| For Use Under Hardwood | Yes |
| For Use Under Luxury Vinyl | Yes |
| For Use Under Luxury Vinyl With Pre-Attached Pad | Yes |
| For Use Under Floating | Yes |
| For Use Under Glue Down | Yes |
| For Use Under Nail Down | Yes |
| For Use Under Porcelain/Ceramic | Yes |
| Warranty | 5-year limited |
Frequently Asked Questions (FAQ):
Q: What flooring types can be installed over this underlayment?
A: Compatible with floating laminate, hardwood, and luxury vinyl, as well as glue-down, nail-down, and tile/porcelain installations per manufacturer guidance.
Q: Does it help with basement moisture?
A: Yes, it creates a vapor barrier and capillary break that stops moisture from migrating into the flooring, keeping basements warmer and drier.
Q: What area does one roll cover?
A: Each roll covers 105 sq ft.
Q: How thick is the underlayment?
A: Approximately 5/16 inch (0.3125 in / 8 mm).
Q: Is it sound absorbing or antimicrobial?
A: Yes, it offers sound absorption and includes antimicrobial and mold/mildew-resistant properties per specifications.
A Cozy, Dry Foundation for Beautiful Floors
DELTA-FL introduces a refined foundation that elevates comfort from the ground up. Its sculpted, dimpled profile quietly manages moisture while lending a gentle warmth underfoot—perfect for polished basement retreats. Pair it with rich walnut laminate or matte oak planks to let the surface sing while the underlayment does the quiet work below. Consider it the invisible luxury that makes everyday living feel effortlessly elevated.
Create a warmer, drier, and more resilient floor—add DELTA-FL underlayment to your project today.
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