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5 sided trapezoid foam cut to size – caravan and boat cushion foam

5 Sided Trapezoid Foam Cut to Size

Choose between a standard foam make up or bonded (multi foam)
Please add the ratio of foams e.g. 60% Memory Foam / 40% Premium blue if selecting "Memory Foam Mixed With FS Premium 39H Blue Firm"
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
    • We are experiencing foam shortages on certain foam grades (this grade is effected, Lead times are up to 4 week) sorry for any inconvenience. Find out why here

    Our Luxury Reflex Grey Foam (Grade 40) is a premium high-density foam with a high resistance and a bounce-back touch. It’s medium feel foam, ideal for sofa seat replacements providing comfort and resistance.
    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
    • 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
    • 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

    • Pick your extras

    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
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    Get the perfect fit for angled seating with 5 Sided Trapezoid Foam Cut to Size from Intercounty Supplies. This unique shape is commonly used in caravan seating, boat berths, bay windows, and custom furniture, where straight edges meet angled sides. Our expert team cuts every piece with CNC precision to your exact measurements, ensuring your cushions fit perfectly into awkward spaces.

    With over 30 years of experience and as one of the UK’s biggest foam converters and upholstery trade suppliers, we are trusted by upholsterers, furniture makers, and DIY customers nationwide.

    Key Features & Benefits

    • Made to Measure – Foam cut to your precise width, depth, angles, and thickness.

    • Perfect for Angled Spaces – Designed for caravans, boats, bay window seating, and unique upholstery projects.

    • Premium Foam Options – Choose from soft, medium, firm, high-density, or memory foam.

    • Durable & Long-Lasting – Engineered to resist sagging and wear even with daily use.

    • Optional Upholstery Finish – Add dacron wrap and stockinette for smoother edges and longer fabric life.

    • CNC Profiling – Advanced cutting technology ensures exact angles and consistency for both one-offs and bulk orders.

    Applications

    5 Sided Trapezoid Foam is ideal for:

    • Caravan and motorhome cushions

    • Boat mattresses and V berth cushions

    • Bay window seating and angled benches

    • Custom corner seating

    • Bespoke upholstery and furniture builds

    Why Choose Intercounty Supplies?

    Since 1990, Intercounty Supplies has been a leading name in the UK upholstery trade. As one of the largest foam converters, we deliver both single custom pieces and large trade orders with precision and reliability.

    Why customers choose us:

    • Over 30 years of foam converting expertise

    • Large-scale trade supply with consistent quality

    • CNC profiling for complex trapezoid angles

    • Nationwide delivery supported by our own fleet of 5 artic trucks and 15 Luton vans

    • Expert advice to guide you on foam grades, measuring, and fitting

    How to Order

    1. Measure the base width, top width, depth, angles, and thickness.

    2. Select your foam grade – soft, medium, firm, high-density, or memory foam.

    3. Add optional dacron and stockinette for a professional finish.

    4. Place your order – we’ll cut your trapezoid foam with CNC accuracy and deliver it nationwide.

    FAQs

    What is a 5 sided trapezoid foam cushion?
    It’s a cushion shape with two parallel edges, two angled sides, and a fifth back edge, commonly used in caravans, boats, and bay window seating where straight cushions won’t fit.

    Where is trapezoid foam most commonly used?
    Typical uses include caravan dinette seating, boat V berth mattresses, bay window cushions, and custom angled furniture.

    How do I measure for trapezoid foam?
    Measure the longest and shortest widths, the depth, the angle sides, and the thickness. Providing a template or sketch is recommended for complete accuracy.

    What foam grades are available?
    We offer soft, medium, firm, high-density, and memory foam options to suit your comfort and durability needs.

    Can you cut precise angles?
    Yes — our CNC profiling machines cut trapezoid cushions with complete accuracy, ensuring perfect symmetry and fit.

    Do I need to send a template?
    For trapezoid cushions, a template, sketch, or DXF file is strongly recommended to guarantee accuracy, especially for irregular angles.

    Do you supply trade orders?
    Yes — as one of the UK’s biggest foam converters, we supply upholsterers, caravan manufacturers, and boat builders nationwide.

    Order Today

    Get the perfect fit for your angled seating with 5 Sided Trapezoid Foam Cut to Size from Intercounty Supplies – trusted across the UK since 1990.

    👉 Order now and receive precision-cut trapezoid foam tailored to your measurements.

    💬 Not sure how to measure your trapezoid cushion? Contact us here – our expert team is ready to help.

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