Marine Underliner – Breathable Vinyl Mesh for Boat Seats (54" Wide)

Marine Underliner is a lightweight, breathable vinyl mesh designed for use on the underside of boat seats and marine cushions. Made from PVC-coated polyester, this material provides airflow, reduces moisture buildup, and helps prevent mold and mildew—extending the life of your marine upholstery.

Sold by the yard in continuous lengths up to 100 yards.

Product Details

• Width: 54" (137 cm)

• Sold by the yard: 36" × 54"

• Roll Size: Up to 100 yards

• Colors Available: 4

• Construction: 100% Polyvinyl Chloride (PVC) coated polyester mesh

• Thickness: 0.5 mm

• Weight:

  • 7.33 oz per sq. yard

  • 11 oz per linear yard

  • 248.64 gsm

Performance & Durability

• Mildew Resistant

• Cold Crack: –20°C

• Breathable mesh design to allow moisture escape

• Lightweight for easy handling and installation

Recommended Uses

• Underside of Boat Seats

• Marine Cushion Backing

• RV Seat Underliner

• Patio Furniture Under-Seat Support

• Any application requiring breathable backing material

Cleaning & Care

• Clean with mild soap and water

• Avoid harsh chemicals or abrasives

Why Choose Marine Underliner?

• Prevents moisture retention under boat cushions

• Helps reduce mildew growth

• Durable PVC-coated mesh ideal for marine environments

• Lightweight, flexible, and easy to sew or staple

• Available in 4 popular colours