★★★★★ Rated 4.9 by 650+ customers
Shop cork underlayment sheets in bulk or by the box: pre-cut, European-manufactured sheets of Portuguese cork for sound and thermal insulation under solid wood, engineered and tile floors.
- Sheets lay flat and won't curl like rolls
- Non-toxic, formaldehyde-free
- Manageable 25 lb boxes
Free shipping: fast delivery in 2–4 business days throughout the continental USA on most orders.
More info All Flat Cork Cork Underlayment Cork Rolls Cork Coasters Cork Squares Self-Adhesive Squares Round Cork
Shop Cork Underlayment Sheets below
Any quantity · Better prices in bulk
A quieter, more comfortable floor
WidgetCo® Cork Underlayment provides insulation, sound absorption and shock absorbency for your flooring. The pre-cut sheets are formaldehyde-free and available in several thicknesses to suit solid wood, engineered and even tile floors. Achieve thermal comfort year-round and help preserve your floor's lifespan with this sustainable material.
Cork underlayment is eco-friendly
WidgetCo® Cork Underlayment Sheets are made from eco-friendly cork. With hypoallergenic and moisture-resistant properties, cork underlayment helps ensure a comfortable environment for years to come.
Save time cutting and aligning with sheets
Cork underlayment sheets install easily from manageable 25 lb boxes, with minimal cutting and aligning, a great choice for finishing a project quickly and efficiently.
$0.48 to $0.55 PER SQ FT & FREE DELIVERY
Total Surface Area Per Box: 198 sq ft
Sheet Size: 2' x 3' (6 sq ft)
Sheet Thickness: 1/8" (3mm)
Sheets Per Box: 33
R-Value: .41
Manufactured in Europe
$0.99 to $1.14 PER SQ FT & FREE DELIVERY
Total Surface Area Per Box: 96 sq ft
Sheet Size: 2' x 3' (6 sq ft)
Sheet Thickness: 1/4" (6mm)
Sheets Per Box: 16
R-Value: .82
Sound Rating: IIC 51, STC 54 (6 inch concrete slab w/ no drop ceiling)
Manufactured in Europe
$1.98 to $2.27 PER SQ FT & FREE DELIVERY
Total Surface Area Per Box: 48 sq ft
Sheet Size: 2' x 3' (6 sq ft)
Sheet Thickness: 1/2" (12mm)
Sheets Per Box: 8
R-Value: 1.63
Manufactured in Europe