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
When you’ve got a right-hand-facing (RHF) corner cushion with a sloped back, you know one thing for sure — no off-the-shelf cover is going to cut it. These cushions are an awkward blend of angles, inclines, and corner joins that need something far more bespoke than a square peg in a round hole.
That’s exactly why we create made-to-measure RHF Corner Sloped Back Cushion Covers — custom-cut to follow every line, corner, and slope of your cushion with absolute precision.
So whether you’re finishing off the corner of a built-in bench, upgrading your boat’s saloon seating, or refreshing your camper’s dining area — this cover is the right fit for the right angle.
Unlike a basic flat cushion, a RHF corner cushion with a sloped back involves tricky angles and directional layout. These aren’t the kind of details you can fudge.
That’s why we start with your exact dimensions — not averages, not templates. We’ll shape your cover to match the back slope, corner junctions, and cushion depth to the millimetre.
The result? A snug, professional fit that won’t ride up, twist, or bunch — even after hours of use. In short, it fits how it’s supposed to.
Once we’ve locked in the shape, it’s time to decide how it should look. That’s where our four tailored styles come in — each offering a different aesthetic and feel:
Wrap Style – minimal, clean, and modern
Box Style – sharp lines and solid form
Box with Piping – classic and crisp, adds contrast and definition
Box Pleat Style – traditional, with character and texture
Whatever your preference, your cover is made to order in our UK workshop — stitched by skilled hands and finished with care.
Function matters, but fabric finishes the job. Whether your cushion is out at sea, on the road, or in the corner of your kitchen, we’ve got a material to suit.
For marine, motorhome, or outdoor seating, we recommend our rugged, UV-stable, water-resistant fabrics — built to withstand damp, wear, and sunlight.
For interior setups, explore our range of plush velvets, durable cottons, or textured weaves — available in a wide range of colours.
Want flexibility? You can even choose different fabrics for the front and back — great for seasonal swaps or reversible designs.
Still deciding? Request your free fabric samples — we’ll send them straight to your door.
Old foam can make even the best cover look tired. If yours is past its best, we can cut new foam inserts to match your RHF corner sloped cushion perfectly.
You can choose from:
High-density foam – for structured, upright support
Reflex foam – for a softer, sink-in feel
And for the perfect finish, we also offer Stockinette or Dacron wrapping — helping your foam slide in smoothly while giving your cushion a fuller look.
We know RHF corner cushions often sit in awkward spots — and we’ve thought ahead with optional add-ons that make life easier:
Choose the zip position for easy fitting and removal
Add a non-slip base, especially useful for moving vehicles and slippery surfaces
Include Velcro tabs, ties, or fixing straps to keep cushions where they should be — no more slipping or shifting
All covers are also fully removable and washable, so they’re easy to maintain and built to last.
Cushions like this aren’t cheap — or easy — to replace. But in many cases, the foam’s still good, and it’s just the cover that’s looking worse for wear.
Rather than bin the whole thing, our made-to-measure RHF corner sloped back cushion covers offer a smarter, greener solution. Keep what works. Refresh what doesn’t.
We’ve made the process straightforward and accurate — here’s how:
Select your unit of measurement – mm, cm or inches
Enter your cushion’s lengths, widths, depths, and slope measurements
Pick your preferred style and fabric
Add any notes (e.g. zip placement, direction, fabric on each side)
Click “Add to Cart” – and we’ll take care of the rest
Need help with measuring or choosing extras? Get in touch — we’re here to guide you.
At Foam4U, we don’t just make cushion covers — we make them properly. With decades of experience, quality materials, and a team of skilled UK makers, we create products that are practical, durable, and built around your space.
So if you’re ready to upgrade your corner seating, camper cushions, or marine backrests — your RHF Corner Sloped Back Cushion Cover is just a few clicks away.
Made to measure.Made in the UK.Made with care.
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