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EnviroFlex Mass Loaded Vinyl

ENVIRONMENTALLY RESPONSIBLE • MANUFACTURER DIRECT

MASS LOADED VINYL —
STC 26 AND 32.

Dense, flexible sound-blocking vinyl for walls, floors, ceilings, pipes, and vehicles. Choose 1 LB for flexible everyday sound control or 2 LB for maximum isolation.
Third-party lab tested 100% recycled vinyl Free shipping
STC 261 LB standalone
STC 322 LB standalone
STC 41In wall assembly
Free shippingCommercial materials shipped direct
Free shippingCommercial materials shipped direct
Free shippingCommercial materials shipped direct
Free shippingCommercial materials shipped direct

ENVIROFLEX™ MASS LOADED VINYL — ALL SIZES

Choose 1 LB (STC 26) for most residential, automotive, and pipe applications. Choose 2 LB (STC 32) for home theaters, recording studios, and mechanical rooms.

1 LB MLV — STC 26

Flexible sound control for walls, ceilings, vehicles, and pipe lagging.

7 roll sizes

2 LB MLV — STC 32

Maximum isolation for theaters, studios, and mechanical rooms.

3 roll sizes

DON'T FORGET MLV SEAM TAPE

Seal all seams for the best sound-control performance. One roll is typically recommended for every 2–3 rolls of MLV.

Shop seam tape

HOW TO CHOOSE — 1 LB OR 2 LB? WHAT SIZE?

Choose 1 LB MLV when:

✓ Apartment walls and shared walls
✓ Home office soundproofing
✓ Automotive, doors, floor, wheel wells
✓ Pipe lagging and soil stacks

Choose 2 LB MLV when:

✓ Home theaters targeting STC 50+
✓ Recording studios and bleed control
✓ Mechanical rooms, HVAC, generators
✓ Low-frequency bass is the priority

Sizing guide:

✓ Measure each wall: length × height = SQ FT
✓ Add all areas together, plus 15% for waste
✓ Select rolls that cover adjusted total
✓ Seal seams for best results