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FOCEAN Grey Black diamond boat flooring is an approximately 6 mm (0.23 in) EVA foam sheet with a self-adhesive backing for cut-to-fit deck projects. Choose your sheet size and either Self-developed Adhesive or 3M Adhesive before adding it to your cart. Each unit includes one sheet.
EVA FOAM
Approx. 6 mm thick
YOUR LAYOUT
Cut-to-fit DIY sheet
YOUR CHOICE
Size & adhesive options

FOCEAN · DIAMOND
Start with your preferred colour and texture, then shape each piece around your layout. Check the sheet dimensions and adhesive option before ordering.
One sheet per unit. Allow extra material for trimming, pattern alignment and offcuts.
CHOOSE YOUR COVERAGE
| Sheet dimensions | Approximate metric size | Full sheet area |
|---|---|---|
| 94.5 × 15.7 in | 240.0 × 39.9 cm | 10.30 sq ft |
| 75 × 28 in | 190.5 × 71.1 cm | 14.58 sq ft |
| 94.5 × 47.2 in | 240.0 × 119.9 cm | 30.98 sq ft |
Metric dimensions and coverage are approximate conversions. Coverage is the area of a complete sheet before cutting. Allow additional material for trimming, pattern direction and offcuts; the usable area depends on your layout. The selected variant determines the sheet supplied.
Select Self-developed Adhesive or 3M Adhesive in the product options. Your selected variant determines the backing supplied.
Check surface compatibility and follow the instructions supplied with the chosen backing. Dry-fit your templates and test adhesion on a small area before application.
The large diamond pattern creates a geometric deck finish. Dry-fit neighbouring pieces and check the line alignment before exposing the adhesive.
This color is shown in the gallery and installation examples. Lighting and display settings can change its appearance on screen. The installation photos illustrate layouts; they do not change the selected sheet dimensions or package quantity.
Measure the deck and dry-fit paper templates before cutting the foam. Check that the substrate is compatible, stable, smooth, clean and completely dry. Test suitability and adhesion on a small area. Keep drains, hinges and fittings clear, then peel the liner gradually and press the sheet evenly.
Remove grit regularly and clean gently with fresh water and a suitable mild cleaner tested on a small area. Avoid aggressive solvents, abrasive tools and directing high-pressure water at sheet edges. Follow the instructions supplied with your selected backing.
Read the sheet sizing and planning guide and installation and care guide before starting.
This grey black diamond sheet is offered in 94.5 × 15.7 in; 75 × 28 in; 94.5 × 47.2 in. Measure each area and allow for trimming and pattern alignment. Use the size selector for the exact variant and current availability.
Dry-fit adjacent pieces and line up the large diamond grid before removing the adhesive liner. Allow for trimming and pattern alignment in your sheet plan.
Check the shipping policy for destination and service details. Review the returns policy before cutting or applying a sheet. For questions about the color, dimensions or surface suitability, contact FOCEAN before installation.
Compare other colours in the diamond range.