B-Stock: UnderBlock Rubber Underlayment - 4' x 30' x 5mm (120 Sq Ft, 1 Roll) — Save 40%

B-Stock: UnderBlock™ Rubber Underlayment - 4' x 30' x 5mm (1 Roll, 120 Sq Ft) — Save 40%

** All B-Stock is first-come-first-serve. **

If you’re looking for our standard material, check out UnderBlock!

B-Stock rubber underlayment is the same as regular UnderBlock, but there are visual defects. These rolls will have minor nicks, scraps, and chipped pieces at the ends of the rolls. The products still work great, so we don't want to throw them away.

B-Stock Features

• Rubber underlayment excels at reducing impact noise, airborne noise, and vibration
• 90% recycled rubber
• Compatible with just about any floor finish and assembly
• Each roll is 5mm thick 4'x30' (120 Sq Ft)
• The b stock rolls have minor nicks, scraps, and chipped pieces at the ends of the rolls
  

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