FR24 High Density Foam Cushion Replacement Insert, Upholstery Foam for Sofa Chair Bench Window Seat, Cut-to-Size DIY Seating Foam Multiple Sizes & Thickness

FR24 High Density Foam Cushion Replacement Insert – Cut-to-Size Upholstery Foam for Sofas, Chairs & DIY Projects

Restore the comfort and support of your favourite furniture with this premium FR24 High Density Foam Cushion Replacement Insert. Whether your sofa cushions have gone flat, you’re reupholstering an armchair, or you’re building a custom bench seat, window seat, or campervan sleeping area, this versatile upholstery foam delivers the firm, long-lasting support you need. Available in multiple sizes and thickness options, it’s easy to cut and shape at home — no specialist tools required.

Key Features

• 💪 FR24 High Density Foam – Engineered for durable everyday support that holds its shape over time
• ✂️ Easy to Cut & Customise – Trim to any size or shape with a sharp knife or electric carving knife for a perfect fit
• 🛋️ Versatile Applications – Ideal for sofas, armchairs, benches, window seats, garden rooms, campervans, RVs, and office seating
• 🎨 Multiple Sizes & Thicknesses – Choose the dimensions that best suit your project
• 🔄 Sofa Restoration – Breathe new life into worn or sagging cushions without replacing the whole sofa
• 🏠 Home & DIY Friendly – Perfect for upholstery beginners and experienced DIYers alike
• ✅ Comfortable Balance – Firm enough for lasting support, cushioned enough for all-day sitting comfort

Specifications

Frequently Asked Questions

Q: What does FR24 mean?
A: FR24 refers to the foam’s fire retardant rating and density grade. It meets standard UK fire safety requirements for upholstery foam used in domestic furniture.

Q: Can I cut this foam to fit my sofa cushion covers?
A: Yes — FR24 foam is easy to cut at home using a sharp bread knife or electric carving knife. Simply measure your cushion cover and trim the foam to size for a snug fit.

Q: Is this foam suitable for campervan or caravan seating?
A: Absolutely — the high density and durability of FR24 foam make it a popular choice for campervan, caravan, and RV seating and sleeping area builds.

Q: How long will this foam last before going flat?
A: FR24 high density foam is designed to resist compression and maintain its shape under regular daily use, significantly outlasting standard low-density foam alternatives.

Q: Is this foam suitable for a window seat or bay window bench?
A: Yes — it’s an excellent choice for window seat cushions, bay window benches, and built-in seating areas, providing firm, comfortable support.

Q: Can this be used as a gift for a DIY enthusiast?
A: Yes — a quality foam insert is a practical and appreciated gift for anyone undertaking a home upholstery or furniture restoration project.

Fast UK Shipping

Ships from our UK warehouse — enjoy free delivery in 1–4 business days. Order today and restore your furniture to its former comfort.