Window Seat Foam Cut to Size

Window Seat Foam Cut to Size

£0.00

🪟 Window seat foam cut to size for perfect fit and comfort. Choose firm or medium upholstery foam for your bench, bay window or alcove seat.

🛒 How to Order Foam Cut to Size:

1️⃣ Select Your Shape – Choose from standard templates or upload a custom design
2️⃣ Enter Your Dimensions – Input in cm, mm, or inches
3️⃣ Choose Your Foam Grade & Density – Select the firmness and type that best suits your needs
4️⃣ Add Extras (Optional) – Add Dacron wrap or stockinette for a professional finish
5️⃣ Add to Cart – Review your order and checkout in minutes!

Pick your shape:

PLEASE ONLY SELECT THIS PRODUCT IF YOU ARE SENDING IN EXISTING COVERS TO COPY OR HAVE A HAND DRAWN CUT OUT TEMPLATE REPLICATING THE SHAPE YOU WISH TO CREATE
Drag files here or browse
Please upload the relevant files here
Choose between a standard foam make up or bonded (multi foam)
The Budget Blue Foam (Grade 33) is our most used high-density foam grade. It is a firm foam, widely used for dining pads, upholstery repairs, garden seating, window seats and caravan seating. For high-use items, please choose the Premium Blue foam instead.

Specification/Data Information
  • Colour - Blue
  • Density (Kg/m3) (1) 34-37
  • Hardness (N) (2) 110-140
  • Tensile (ka-min) (4) 50
  • Elongation (% min) (4) 90
    • The "36 Budget Beige Foam" is perfect for sofa cushions, seat pads, and campervans. Its optimal density, hardness, and durability ensure comfortable seating and long-lasting support. Whether you need cushioning for your living room, dining chairs, don-the-go sleeping arrangements, this foam grade has you covered.

    Specification/Data Information
  • Colour - Beige/Pink
  • Density (Kg/m3) (1) 34-37
  • Hardness (N) (2) 110-140
  • Tensile (kPa-min) (4) 50
  • Elongation (% min) (4) 90
    • Our Premium Blue Firm Foam (Grade 39) is a high-density foam, perfect for sofa seats if you are looking for a very firm cushion. It is also suitable for many other applications, including upholstery repairs, boat seating, caravan and campervan seating, window seats, dining pads and much more. Our premium blue 39h foam can be supplied in either pale pastel or a ocean blue colour. Both have the exact same density’s and properties to one another. Colour is purely dependant on the supplier it is provided from.

    Specification/Data Information
  • Colour - Blue
  • Density (Kg/m3) (1) 38-40
  • Hardness (N) (2) 180-220
  • Tensile (kPa-min) (4) 50
  • Elongation (% min) (4) 90
  • Comp set (% max) (5) 8
    • Our 6lb Recon Foam is a very firm grade, used for hard-wearing seats. It’s ideal for bar seating and stools, church kneelers, gym mats and other hard-wearing commercial furniture.
    Our Memory Foam is a high quality foam, used to add extra comfort and support to any mattress. It can also be used for mattress toppers, pillows, wheelchair cushions and much more.

    Specification/Data Information
  • Colour - Yellow/White
  • Density (Kg/m3) (1) 38-42
  • Hardness (N) (2) 60-90
  • Tensile (kPa-min) (4) 50
  • Elongation (% min) (4) 160
  • Recovery Rate 3-second
    • Luxury Reflex Grey Foam is a high-quality foam that offers excellent bounce and resilience. It is specifically designed for sofa seating applications, making it a perfect choice for those looking for a comfortable and supportive seating experience. With its grey color and luxurious feel, it is our most popular foam grade and is sure to elevate the look and feel of any seating area. Whether you're looking to upgrade your living room or design a new seating area for your office, Luxury Reflex Grey Foam is the perfect choice.

    Specification/Data Information
  • Colour - Grey
  • Density (Kg/m3) (1) 40-42
  • Hardness (N) (2) 130-160
  • Tensile (kPa-min) (4) 100
  • Elongation (% min) (4) 250
    • Our Luxury Reflex Pink Foam is a premium high-density soft foam. This foam grade is a suitable choice for the replacement of sofa back cushions (which are fibre filled or foam filled).

    Specification/Data Information
  • Colour - Orange
  • Density (Kg/m3) (1) 38-40
  • Hardness (N) (2) 100-140
  • Tensile (kPa-min) (4) 50
  • Elongation (% min) (4) 90
    • Our White Foam is a budget craft foam, that can be used for crafts projects, upholstery repairs, headboards and much more. Not suitable for sitting on!

    Specification/Data Information
  • Colour - White
  • Density (Kg/m3) (1) 24-26
  • Hardness (N) (2) 50-70
  • Tensile (kPa-min) (4) 50
  • Elongation (% min) (4) 150
    • *Please add the ratio of foams e.g. 2" Memory Foam / 4" Premium blue if selecting "Memory Foam Mixed With FS Premium 39H Blue Firm"
    Extras are a great way to add to your foam
    You should always fit stockinette to your order. In simple terms Stockinette makes it much easier to slide the foam in an out of your cover and will not only reduce creasing of fabric but prevent premature wear to both the foam and the cover - ensuring your cushions retain their shape better and last longer. Read More About Stockinette (Please Note Maximum Width for Stockinette = 135cm)
    Helps extend the lifespan of your foam cushions.
    Please note there is a minimum order of £25 on all made to measure Foam
    Grand total
    Categories: ,

    Unsure of how to measure and choose your foam? We can do it all for you with our Sofa Cushion Collection Service

    Description

    🪟 Window Seat Foam Cut to Size

    Transform your bay window, alcove, or custom seating space into a stylish, ultra-comfy spot with window seat foam cut to size. Whether you’re designing a cosy reading nook or upgrading a built-in bench, our foam offers the perfect blend of support, fit, and softness — tailored exactly to your measurements.

    ✅ Recommended Foam Grades for Window Seating

    We offer three premium-grade options to suit any type of window seat:

    • FS Premium 39H Blue Firm Foam – Ideal for structured support on hard wooden benches and daily use.
    • Luxury Reflex Grey Foam – Medium-firm and resilient, perfect for balanced comfort and durability.
    • FS400 Reflex Pink Foam – Softer for lounging and occasional use — great for decorative seats or casual relaxation.

    Every order is precision cut to your exact dimensions for a professional, clean finish.

    📏 How to Measure Your Window Seat

    Measuring is easy and ensures a perfect fit:

    1. Width – Measure from wall to wall or frame to frame (check front and back in case of tapering).
    2. Depth – Measure from the front edge to the back panel or wall.
    3. Allow Clearance – Subtract 5mm from width if using fitted covers or Dacron wrap.
    4. Fuller Finish? – Add a Dacron wrap for a softer, rounded edge and more comfort.

    💡 Tip: Use our Foam Cut to Size Tool to guide you through the process!

    🧵 Custom Foam for Any Shape

    Have a curved or angled bay window? No problem. Upload a drawing or paper template — we’ll cut it exactly to shape.

    Popular uses include:

    • Bay window bench cushions
    • Alcove reading nooks
    • Mudroom and hallway seating
    • Built-in joinery or custom cabinetry seating

    📦 How to Order Your Window Seat Foam

    We’ve made it simple to order online:

    1. Select Your Shape – Standard or custom
    2. Enter Your Measurements – Input in cm, mm, or inches
    3. Choose Your Foam Grade – Blue Firm, Grey Medium, or Pink Soft
    4. Add Extras (Optional) – Dacron wrap, stockinette, etc.
    5. Add to Cart & Checkout – Fast and secure

    ▶️ Need help?
    Watch our How to Order video on the product page for step-by-step guidance.

    🚚 Fast UK Delivery – Next Day Available

    All foam is cut in-house and dispatched within 1–2 working days. Orders are vacuum-packed for shipping and fully expand within 24 hours of unpacking.

    📞 Have questions? Call our team on 0191 262 0769 or use our Cut to Size Tool to get started.

    👉 Want to pair your foam with a beautiful upholstered cover or learn about outdoor options? Click here to explore more

     

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