Keeping Floors Warm & Dry.

The innovative subfloor system for concrete and slab-on-grade floors.  Helps to keep moisture out of basements.


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Product Description


    • Innovative subfloor system for concrete and slab-on-grade floors.
    • Fast and easy to install.
    • No recycled plastic odors.
    • Non-allergenic.
    • Creates a sealed vapor barrier subfloor that prevents moisture rise and makes basements feel warm and dry.
    • Protects laminates from moisture.
    • Unlike 2’ x 2’ panels, no open seams that could lead to mold or damaged floors.*
    • Laminates can be installed directly on DELTA-FL.
    • Provides a strong, even subfloor.
    • Unlike other subfloor systems, DELTA-FL will never rot.
    • Its unique air-gap technology provides a thermal break that separates your finished floor from the cold concrete floor.
    • Makes floors feel warmer.
    • Offers minimal reduction in headroom; adds only 5/16” (8 mm) height to the floor.
    • Helps to keep moisture out of basements.
      *seams are sealed with DELTA-MOISTURE PROOF TAPE.


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    General Insulation Company Inc. is an insulation supplier / insulation distributor that stocks and fabricates a wide variety of industrial and commercial air barrier, vapor barrier, moisture and water barrier products for the construction market.


DELTA®-FL Brochure


Creative Building Design Requires High Performance Membrane Solution