DELTA 0.104-sq ft Standard 0.005-in Flooring Underlayment
Regular price $0.00DELTA FL dimpled underlayment membrane
A high-density polyethylene air-gap underlayment for slab-on-grade floors that creates a capillary and vapor break to keep basements dry and warmer. Installed dimple-side down, it forms a ventilated space and offers rugged compressive strength for a stable subfloor under carpet, vinyl, hardwood, or laminate.
Key Features:
- Moisture Protection: Air-gap design provides a reliable capillary break and vapor barrier over concrete slabs.
- Warmer Floors: Creates a thermal break so finished floors feel warmer and more comfortable.
- Tough & Impact-Resistant: HDPE membrane with outstanding compressive strength for a durable subfloor.
- Easy Installation: Lightweight rolls; seams taped with DELTA-MOISTURE PROOF TAPE.
- Versatile Finish Options: Works under plywood and a variety of floor coverings, including carpet, vinyl, hardwood, and laminate.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Material | High-Density Polyethylene (HDPE) |
| Design | Air-gap dimpled membrane; installed dimple side down |
| Function | Capillary break and vapor barrier; thermal break |
| Compressive Strength | >4500 lb/sf |
| Thickness / Height | Approximately 8 mm |
| Seam Treatment | DELTA-MOISTURE PROOF TAPE |
| Installation | Lightweight rolls; fast and easy for homeowners |
| Compatible Finish Flooring | Carpet with underlay, vinyl, hardwood; laminate can be installed directly |
Frequently Asked Questions (FAQ):
Q: Can this be installed directly over concrete?
A: Yes. Install dimple side down over the slab and tape seams with DELTA-MOISTURE PROOF TAPE.
Q: Do I need plywood on top?
A: For most finishes, place plywood over the membrane before installing flooring; laminate can be laid directly on the membrane.
Q: What is it made of?
A: A special high-density polyethylene (HDPE) for durability and impact resistance.
Q: Will it reduce ceiling height?
A: Minimal headroom loss; membrane thickness is approximately 8 mm.
Q: Where is it best used?
A: Basements and slab-on-grade floors where moisture control and a warmer floor surface are desired.
Elevate Your Basement with a Warm, Dry Foundation
This dimpled membrane quietly transforms cold concrete into a cozy, resilient base for refined flooring. I love its sculptural surface—functional yet chic—creating an air space that keeps interiors feeling fresh and warm. Top it with sleek plywood and a tailored finish, from oak planks to plush carpet, for a seamless, elevated look. It’s a smart, luxe essential for beautifully livable lower levels.
Create a warm, moisture-protected foundation—add DELTA FL underlayment to your project today.
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