Floor Underlayment 3mm, 200 Sq Ft Roll, Tape Vapor Barrier

Floor underlayment with vapor barrier creates a smoother, quieter base for laminate and engineered wood floors while helping block moisture from below. This 3-in-1 3 mm padding combines dense EPE foam for stability and sound reduction with a PE film vapor barrier and pre-applied seam tape for faster installs. One roll covers 200 sq. ft, making it a practical choice for larger rooms where you want fewer seams, less waste, and a clean, consistent underfloor surface.

• Delivers 3 mm cushioning to reduce hollow-sounding floors and soften footstep noise.


• Blocks moisture with PE film vapor barrier to help protect against dampness and warping.


• Speeds installation with integrated seam tape for tight, secure joins.


• Fits laminate, floating floors, and engineered wood; not suitable for vinyl flooring.


• Simplifies layout with printed cutting grid for quicker measuring and trimming.

Upgrade your install with underlayment that supports your floor and your schedule. The heavy-duty EPE foam layer helps keep planks feeling stable underfoot, while the moisture-resistant film adds everyday protection in basements and ground-level rooms. With generous roll coverage and easy cut-to-fit handling, you can prep large areas faster and with fewer interruptions. Grab yours today and get your flooring project started on a solid, quiet foundation.

• Coverage: 200 sq. ft / 18.6 m² per roll


• Thickness: 3 mm (0.12 in)


• Roll size: 665.35 x 43.31 x 0.12 in (16900 x 1100 x 3 mm)


• Material: EPE foam with PE lamination (vapor barrier film)


• Color: Blue with printed cutting grid


• Net weight: 3.42 lb / 1.55 kg


• Includes: 1 roll with seam tape