SKU: 20465256960

Groundworks Jumbo Underlayment - 1.4 mm Roll - 450 sf

$193.91 $215.46
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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20

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Description

Groundworks Jumbo Underlayment - 1.4 mm Roll - 450 sf450 sq ft roll of 1. 4 mm underlayment for use under COREtec, flooring. Underlayments are a great option for reducing sound and adding comfort under luxury vinyl floors. This underlayment offers a combination of benefits: Loose lay and float LVT LVP Excellent sound absorption Made of 100% polyurethane foam Extends COREtec residential wear warranty 5 years Moisture Retarder film Smooths out minor subfloor irregularities up to 1 32" Suitable for use

450 sq ft roll of 1.4 mm underlayment for use under COREtec, flooring.

Underlayments are a great option for reducing sound and adding comfort under luxury vinyl floors. This underlayment offers a combination of benefits:

  • Loose-lay and float LVT/LVP
  • Excellent sound absorption
  • Made of 100% polyurethane foam
  • Extends COREtec residential wear warranty 5 years
  • Moisture Retarder film
  • Smooths out minor subfloor irregularities up to 1/32"
  • Suitable for use with radiant heat flooring
  • 3' x 33.34' / 450 sf per roll
  • 1.4 mm thick

GroundWorks is a Impact Sound Reduction Underlayment that was engineered to reduce sound transmission between floors within multi-level structures. It is ideal for use with luxury vinyl tile and plank.

FEATURES

  • Excellent sound suppression between floors

  • No risk of plasticizer migration with recommended COREtec adhesives

  • Suitable over concrete, wood and hydronic radiant heated floors

  • Recommended for floating or double-glue installation

  • GREENGUARD GOLD Indoor Air Quality Certified®

SUGGESTED APPLICATIONS

  • Hotel Rooms
  • Independent Senior Living Rooms
  • Multi-Family Apartments
  • Military Housing
  • Areas where you are concerned about IIC ratings

SPECIAL NOTE

This product is not approved for wide open areas, or areas where there are heavy rolling loads such as hospital beds.

SPECIFICATIONS

construction: Rolled polyurethane foam
application: LVT/P and floating floors
installation: Single glue (floating) or double glue
warranty: Commercial Limited Warranty

US Units Metric
roll size: 6 feet x 75 feet 1.83 x 22.9 m
thickness: 0.055 inches 1.4 mm
roll weight: 14 / 63 lb. 6.35 / 28.58 kg

Specifications and Installation Instructions for Groundworks Underlayment
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20465256960

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4.8 ★★★★★
Based on 18 reviews
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Product Reviews
E
Verified Purchase
Erik
Houston, US
★★★★★ 5
My pup loves them
Color: Large Set of 4
Colors are bright and my dog loves the squeaky! Good size no worries of choking.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 10, 2025
M
Verified Purchase
Mary Freeman
Port Orchard, US
★★★★★ 5
amazing
Color: Large Set of 4
good buy worked well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
S
Verified Purchase
Steve
Charlottesville, US
★★★★★ 4
3.5, Not 3.0
Color: Medium Set of 6
These balls were almost exactly what I needed. I was replacing my boy’s favorite ball, which is the 3” squeaky, spikey ball that fits in the chuck it launcher. Unfortunately I saw the shiny object next to it and because there were SIX balls and a dollar less, I failed to see that these are 3.5” balls instead of 3”…. Great balls but no fitty in the slingy. Buyer beware. No chuck it no problem. Save a buck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
H
Verified Purchase
HollisHoHo
Whiting, US
★★★★★ 5
MY CHIHUAHUA LOVES THESE BALLS!!
Color: Samll Set of 8
My little chihuahua, BamBam, is addicted to balls, especially little balls that squeak! However, any balls that have material on them, BamBam will tear them apart, swallow the material and then get an upset tummy! These balls saved the day! BamBam LOVES them & she cannot tear them apart! They hold up so well! No matter how much BamBam plays with them, they keep squeaking away!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 15, 2025
L
Verified Purchase
Laurens springerslng
Port Orchard, US
★★★★★ 5
Great thick squeaky ball
Color: Large Set of 2
These are good thick rubbery squeaky balls. My boy loves them! He's 75lbs. Strong chewer. I hav hard time squeezing to squeak, but he doesn't... He loves it!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026

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