Pick Your Units – Choose whether you’re measuring in millimetres (mm), centimetres (cm), or inches (“) and enter your sizes Need a New Inner? – Choose if you want us to supply a cushion interior or just the cover.Add Extras (Optional) – Add Stockinette or Dacron wrap to make the cushion plumper and easier to fit.Design Your Cover – Pick your cover style and answer a few quick questions.Add Any Notes – Let us know anything extra (e.g. zip position, which side is the front).Add to Cart – Once you’re happy, click Add to Cart.
Once your cover design is in the cart, you’re ready to choose your fabric.
Click the link below to browse our full range:Click Here to See All Fabric Options
Not sure how much fabric you need?Use our Fabric Calculator to work it out easily.
Use this option to create a cover to the sizes entered above
This lightweight foam is a great choice for headboards, crafts, costumes, and a variety of general-purpose projects. It’s easy to work with and perfect for decorative or low impact uses. Just a heads-up: we don’t recommend this grade for seating or any application where it’ll need to support weight regularly.
Medium density firm foam. Suitable for seating perfect for sofas, dining chairs, boats, caravans, and camper van seating and mattresses. Best choice for cushions 3–4 inches thick. May be too firm for cushions above 5” in thickness
Medium-density foam ideal for mattresses 4″ and above. It provides balanced support and comfort, making it a great choice for those seeking a medium-firm sleeping surface. Keep in mind—thicker mattresses offer more support than thinner ones, regardless of foam grade.
Most popular High density firm foam. Suitable for seating perfect for sofas, dining chairs, boats, caravans, and camper van seating and mattresses. Best choice for cushions 3–4 inches thick. May be too firm for cushions above 5” in thickness
RX39/120 Orange Foam CushionsA popular high-density foam with a soft to medium feel. Ideal for achieving a medium comfort level in thicker cushions or a softer feel in thinner ones. Also works well as a top layer over firmer foam to enhance comfort.
High density, medium firm foam Reflex 40h is a high-quality foam known for lasting comfort and support. It bounces back quickly and keeps its shape for years—perfect for sofa cushions, armchairs, or even as a mattress.
High-quality UK-made, heat-sensitive foam that softens and moulds to your body, offering pressure-relieving comfort. Commonly used in mattresses, toppers, pillows, wheelchair cushions, and medical products.
This product is made by laminating RX38 firm blue foam with a 1″ layer of memory foam. It is essential that the total thickness (C) is greater than 1″. If you order this product at exactly 1″ thick, it will consist of memory foam only
This product is made by laminating RX38 firm blue foam with a 2″ layer of memory foam. It is essential that the total thickness (C) is greater than 2″. If you order this product at exactly 2″ thick, it will consist of memory foam only
IMPORTANT GRADE INFORMATION This product combines Reflex 40 medium foam with a 1″ layer of memory foam. If you order at 1″ thick, you’ll receive memory foam only — without the Reflex 40 support layer. To ensure proper comfort and support, the total thickness must be greater than 1″.
IMPORTANT GRADE INFORMATION This product combines Reflex 40 medium foam with a 2″ layer of memory foam. If you order at 2″ thick, you’ll receive memory foam only — without the Reflex 40 support layer. To ensure proper comfort and support, the total thickness must be greater than 2″.
A durable, open-cell foam that resists water, humidity, and chemicals — ideal for outdoor seating and air/water filtration. Its breathable structure also makes it great for humidifiers, ventilation, and industrial filtration systems.
High density firm foam RG50 is a high-density, firm foam ideal for heavy-duty support. It’s commonly used in seat cushions, gym mats, and other applications where durability and strong support are key. This is the perfect foam for thin Pop-top or Roof-Tent mattresses.
Luxury Relex 50 is a high-density, medium firm foam designed for superior support and durability. Ideal for premium seating and high-quality mattresses, this foam is perfect for deep-fill cushions and applications where long-lasting structure and resilience really matter. It holds its shape beautifully, delivering both comfort and strength over time.
High density, medium firm foam Reflex 40h is a high-quality foam known for lasting comfort and support. Bounces back quickly and keeps its shape for years—perfect for as the core for a feather or fibre seat interior
This Foam core feather combination is best suited to those wanting a medium form seat
European 302 de -quilled for extra comfort
Before you order fabric Please send your design to the basket then order fabric
FROM £10.00
Sloped back cushions are great for comfort — but they’re a nightmare when it comes to finding the right cover. Whether it’s a fixed-back bench in a motorhome, angled seating on a narrowboat, or a wedge-shaped lounge cushion in the conservatory, standard covers don’t stand a chance.
That’s why we offer made-to-measure Sloped Back Cushion Covers, cut and stitched to match the exact angle and dimensions of your cushion. No baggy corners. No forced fits. Just clean lines, crisp finishes, and a cover that’s built for the job.
So if you’re upgrading sloped seating or replacing a tired cover on your angled backrest, you’re in the right place.
Sloped back cushions require precision. A few degrees off, and your cushion won’t sit right — or look right.
Rather than forcing a square cover onto a sloped shape, we custom-make each one to follow the exact incline and profile of your cushion. That means your new cover will hug the angle, sit flush with the seat, and provide proper support — with no awkward bulging or slipping.
Compared to standard covers, this one’s built for accuracy — not approximation.
Once the shape’s sorted, it’s time to style it out. Different spaces demand different finishes, so we offer a choice of smart, versatile cover styles to suit every interior:
Wrap Style – sleek and minimal, great for contemporary spaces
Box Style – adds definition and clean lines
Box with Piping – classic tailoring with a sharp edge
Box Pleat Style – traditional and decorative, perfect for heritage interiors
Whichever you choose, it’s made to order by our skilled team right here in the UK — hand-cut, hand-finished, and quality-checked.
A sloped back cushion doesn’t just need the right shape — it needs the right fabric, too. Depending on where your cushion lives, different materials bring different benefits.
For outdoor, campervan, or marine use, go for our tough, UV-stable, water-resistant fabrics — built to survive heat, damp and motion.
For indoor comfort, choose from plush velvets, soft cottons, and stylish weaves — all available in a range of classic and contemporary colours.
Even better, you can have different fabrics on each side for a reversible finish — great for changing with the seasons or flipping after spills.
Still unsure? We’ll send you free fabric samples to help you decide.
Let’s not forget what’s inside. If the foam in your sloped cushion has lost its shape or support, we’ve got your back (literally). We’ll cut foam to match the slope and shape you specify — including any taper or wedge profile.
Choose from:
High-density foam – great for back support and structure
Reflex foam – offers a softer, more yielding feel
Additionally, we offer Dacron and Stockinette wrapping to create a plumper shape and a cleaner, easier fit.
We don’t just stop at fit and finish — we think about the little things that make daily use easier too:
Choose your zip position for simple removal and cleaning
Add a non-slip base, ideal for boats or mobile homes
Include Velcro tabs, ties or fixing straps to keep everything neatly in place
All our covers are also removable and washable, so maintenance is easy and stress-free.
If your cushion’s sloped foam is still in good shape, there’s no reason to replace the whole thing. A custom-made cover lets you keep what works — and refresh what doesn’t.
It’s the smarter, greener, and more cost-effective option — especially for fitted or hard-to-replace shapes like sloped backs.
We’ve made the ordering process straightforward and easy to follow. Here’s what to do:
Select your preferred units — mm, cm or inches
Enter your cushion’s length, width, depth, and the angle or slope measurements
Pick your cover style and your favourite fabric
Add any special instructions — zip placement, fabric on each side, which side faces out
Click “Add to Cart” — and we’ll take it from there
Not sure how to measure a sloped cushion? Just get in touch — we’ll talk you through it step-by-step.
At Foam4U, we combine traditional upholstery skill with modern precision. That means you get a cushion cover that’s not just made — it’s made properly.
We understand that sloped cushions are unique. That’s why every cover we make is cut to your measurements, sewn by hand, and double-checked for fit and finish.
So whether you’re reupholstering your camper, fitting out a boat, or fine-tuning your built-in seating — we’ll make sure your sloped cushion cover fits the way it should.
Made to measure.Made to last.Made in the UK.
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