The Closed-Cell Foam Padding if firm and doesn't bottom out. It is ideal for areas where greater pressure is anticipated. The foam will not absorb moisture and has an adhesive backing to make securing it easier.
Anti-Slip Black Adhesive Foam Padding, Closed Cell Foam Sheet Neoprene Rubber Pad - China Black Rubber Foam, Fireproof Foam Insulation
The Ultimate Strap Black X-Pac™ x Closed-Cell Foam Padding x
12 x 24 Minicel L200 Closed Cell Polyethylene Foam Blocks or Sheets - Olympic Outdoor Center
Padding U-Sling Performance Health
Roll measures 1/8 x 6 x 72 (3.2mm x 15.2cm x 1.83m), Adhesive backed, Plastic closed cell foam, Latex free
Closed-Cell Foam Padding
Siless Liner 157 (4 mm) Mil 144 Sqft Car Closed Cell Foam & Heat Insulation Mat - PE Foam Material & Heat Barrier
The marine rolls are made from high-grade closed cell foam rubber, which makes them water/oil resistant, very buoyant and flame resistant. These rolls are ideal for adding cushioning or interior lining to the hull and cabins while providing acoustic and thermal insulation to the interior of a boat. Can also be used to cushion cockpit seats, bosun's chair or padding flotation gear.
Xcel Extra Large Marine Roll, Closed Cell Neoprene Rubber with Adhesive
Closed Cell Foam
Closed Cell Foam 1/4 - Royal Upholstery
EVA Foam Rolls, Sheets & Custom Shapes
Open Cell Foam Vs. Closed Cell Foam: Best Definitive Guide – FOAMTECH