RHF Square/Rectangle Rounded Corner Mattress

How to order a RHF Square / Rectangle Rounded Corner Mattress in 5 simple steps

 

  1.  Choose cm’s  mm’s or inches.
  2. Enter Your sizes in the boxes provided.
  3.  Choose foam grade from drop down menu.
  4.  Add Covers & Sheets as required.
  5. Review your order and add to cart.
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Measurements

Measurements

Reference Image

Choose Your Comfort Level

BUDGET MATTRESS FOAM (V28)

This lightweight foam is best suited for occasional-use only,  We wouldn’t recommend it for everyday use or situations where long-term support is essential. Keep in mind—thicker, higher-volume mattresses naturally offer more support than thinner ones, regardless of the foam grade.

Properties
Comfort Level : Not Specified ,
Density: MEDIUM/LOW
Recommendations: Occasional use only !

STANDARD FIRM MATTRESS FOAM RX33/190

This medium-density, firm mattress foam  Ideal for mattresses around 3–4 inches thick, offering reliable support and durability. Just a heads-up—it may feel a bit too firm for those who prefer a softer sleeping surface. Keep in mind—thicker, higher-volume mattresses naturally offer more support than thinner ones, regardless of the foam grade.

Grade
RX33/190
Notional Hardness
190 N
Density
33 kg / m3
Properties
Comfort Level : FIRM
Density: MEDIUM

STANDARD MEDIUM FIRM MATTRESS FOAM RX36/125

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.

Grade
RX36/125
Notional Hardness
125 N
Room Temp. Hardness
125 N
Density
36 kg / m3
Properties
Comfort level: MEDIUM FIRM for mattresses above 4" (`10cm ) in thickness
Density: MEDIUM

ORTHOPAEDIC HIGH DENSITY MATTRESS FOAM RX39/200

Most popular High density firm foam mattresses. Best choice for cushions 3–4 inches thick. May be too firm for cushions above 5” in thickness.  Keep in mind—thicker mattresses offer more support than thinner ones, regardless of foam grade.

Grade
RX39/200
Notional Hardness
200 N
Density
39 kg / m3
Properties
Comfort level ; FIRM
Density; HIGH

COMFORT MEDIUM FIRM HIGH DENSITY MATTRESS FOAM RX41/150

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 mattress. Keep in mind—thicker mattresses offer more support than thinner ones, regardless of foam grade.

Grade
RX41/150
Notional Hardness
150 N
Density
40 kg / m3
Properties
Comfort level : MEDIUM FIRM for mattress over 4"(10cm ) in thickness
Density: HIGH

STANDARD MEMORY FOAM MATTRESS TOPPER SFV40

Incorporating Visco Elastic memory foam into your bedding solutions offers enhanced comfort and support, catering to various applications from home to travel.

Grade
SFV40
Room Temp. Hardness
60 N
Density
40 kg / m3
Properties
Comfort Level: SOFT
Density : HIGH

COOLING GELFLEX MEMORY FOAM MATTRESS TOPPER

GelFlex memory foam is a modern, gel-infused foam designed for mattress toppers where cooler sleep matters.It provides pressure-relieving comfort with a more responsive feel than traditional memory foam.The gel infusion helps reduce heat build-up, making it ideal for warmer sleepers.Perfect for upgrading comfort without creating an overly soft or sink-in feel.

Density
50 kg / m3
Properties
Comfort Level : MEDIUM
Density : HIGH

ORTHO MEMORY FOAM MATTRESS COMBO RX39/200 BASE WITH 1" (2.5CM) MEMORY

Firm V38 base foam bonded to 1″ of Vasco 50 memory foam softens the feel, of the mattress, making what would typically be a firm mattress more comfortable.  Keep in mind—thicker, higher-volume mattresses naturally offer more support than thinner ones, regardless of the foam grade.

Properties
Comfort level : FIRM
Density; HIGH
Minimum Mattress Thickness : Must be over 2" (5cm ) or only memory foam element will be supplied

ORTHO PLUS MEMORY FOAM MATTRESS COMBO RX39/200 BLUE BASE TOPPED WITH 2" (5CM) MEMORY

Firm V38 base foam bonded to 2″ of Vasco 50 memory foam softens the feel, of the mattress, making what would typically be a firm mattress more comfortable.  Keep in mind—thicker, higher-volume mattresses naturally offer more support than thinner ones, regardless of the foam grade.

Properties
Comfort Level; FIRM/MEDIUM
Density; HIGH
Minimum Mattress Thickness : Must be over 2" (5cm ) or only memory foam element will be supplied

COMFORT MEMORY FOAM MATTRESS COMBO RX41/150 BASE TOPPED WITH 1" (2.5CM ) MEMORY

Comfort memory foam mattress combo featuring a supportive Reflex 40 grey base topped with 1″ (2.5cm) of plush memory foam for added pressure relief and comfort.

Grade
RELEX 40 /150
Notional Hardness
150 N
Density
40 kg / m3
Properties
Comfort Level : MEADIUM FIRM
Density: HIGH
Minimum Mattress Thickness : Must be over 1" (2.5cm ) or only memory foam element will be supplied

COMFORT PLUS MEMORY FOAM MATTRESS COMBO RX41/150 BASE TOPPED WITH 2" (5CM ) MEMORY

Comfort Plus Mattress Combo features a supportive Reflex 40 grey foam base topped with 2″ (5cm) of pressure-relieving memory foam.Offers the perfect balance of firm support and plush comfort for a restful night’s sleep.  Ideal for everyday use, guest beds, or custom spaces like campervans and caravans.

Grade
REFLEX 40/150
Notional Hardness
150 N
Density
40 kg / m3
Properties
Comfort Level: MEDIUM FIRM
Density: HIGH
Minimum Mattress Thickness : Must be over 2" (5cm ) or only memory foam element will be supplied

ULTRA FIRM MATTRESS FOAM RG50/230

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.

Grade
RG50/230
Notional Hardness
230 N
Density
50 kg / m3

GELFEX ORTHO FIRM

GelFlex Ortho Firm combines a 2″ (5 cm) layer of GelFlex gel-infused memory foam for cooling comfort and pressure relief.This sits on our firmest high-density RX33/190 foam base for maximum support and stability. 🔴 Firm – Maximum support for back & stomach sleepers

Grade
Gelflex + 33/190

GELFLEX MEDIUM

GelFlex Medium-Firm combines a 2″ (5 cm) layer of GelFlex gel-infused memory foam for cooling comfort and pressure relief.  This sits on a high-density medium-firm 41/150 foam base for stronger support and improved weight distribution. 🔵 Medium (Most Popular) – Balanced support for back sleepers & couples

Grade
Gelflex + 41/150

GELFLEX SOFT

GelFlex Soft combines a 2″ (5 cm) layer of GelFlex gel-infused memory foam for cooling comfort and pressure relief. This sits on a high-density medium-soft RX39/120 foam base for stable, long-lasting support.   🟢 Soft – Plush, contouring comfort for side sleepers  

Grade
Gelflex + 39/120
  • *FIXED PRICE COVERS
    *OPTIONS
    MEMORY FOAM PILLOW

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  • Recommend Upgrade

    Why upgrade to GelFlex?

    GelFlex is gel-infused cooling memory foam engineered for better sleep

    • ❄️ Sleeps cooler than standard memory foam

    • 🛌 Relieves pressure on hips, shoulders & back

    • 📐 Improves spinal alignment in any sleeping position

    • ✂️ Made to measure — any size, any shape

    GelFlex Memory foam


     

Your Created Product

Measurements

Choose Your Comfort Level

FROM £7.00

Description

Custom RHF Square/Rectangle Rounded Corner Mattress

Perfectly Cut Comfort for Right-Hand Rounded Corners

The RHF Square/Rectangle Rounded Corner Mattress is made for those unique layouts where one corner needs a smooth, rounded finish. Whether you’re fitting out a campervan, motorhome, boat berth, or caravan bed, we’ll cut your mattress to your exact specifications for a flawless fit—no gaps, no overhang, just pure comfort.

Just input your measurements, choose your foam or memory foam grade, and we’ll shape it precisely to your layout.


Optional Covers in Three Premium Fabric Finishes

Add practicality and polish with one of our optional removable, zip-off washable covers—ideal for keeping your mattress fresh on the road or water.

Choose from three high-quality fabrics based on your needs:

Cooltech™ Quilted Covers

  • Soft quilted finish with enhanced breathability

  • Promotes airflow and regulates body temperature

  • Great for summer travel or warm environments

    Cooltech mattress
    Cooltech covers provide exceptional levels of cooling, Helping to wick away moisture resulting in a more restful nights sleep

TENCEL™ Botanical Fibre Covers

  • Made from sustainably sourced wood pulp

  • Naturally moisture-wicking, breathable, and hypoallergenic

  • Eco-friendly, ultra-smooth, and skin-friendly

    Mattress with Tencel Cover
    Tencel natural fibre promote a cooling more comfortable nights sleep

Easy Clean Fabric

  • Built to resist spills, stains, and daily mess

  • Wipes clean in seconds—low maintenance, high practicality

  • Perfect for pet owners, families, and van-lifers

    Easy Clean Mattress Fabrics
    Breathable Easy Clean for Added Protection

Real Travel Ready. Real Life Tested.

From beach sand and muddy boots to late-night coffee spills, your mattress sees it all. Our Easy Clean fabric handles the rough stuff so you can enjoy more and clean less. It’s a smart upgrade for any high-use sleeping setup.


Pair It with a TENCEL™ Adjustable Pillow

Sleep Better, Anywhere You Go

Our Shredded Memory Foam Pillow, finished in a breathable TENCEL™ cover, is fully adjustable with a zipped fill system. You control the loft and firmness, so it always feels just right—wherever your travels take you.

Top Pillow Benefits:

✔ Cooling, breathable TENCEL™ fabric
✔ Adjustable shredded memory foam interior
✔ Hypoallergenic and eco-conscious
✔ Machine washable cover for easy upkeep

Tailored sleep. Travel-ready comfort.

Tencel Pillow
Our Cooling Tencel Pillows are fully adjustable and can be adapted your individual comfort requirements

 


Why Choose Foam 4 U?

With over three generations of expertise in foam cutting and upholstery, we specialise in mattresses that fit where others don’t. From marine cabins to van conversions, we deliver precise, high-quality mattresses built for real-life use—backed by old-school know-how and proper customer service.


Need Help Measuring or Choosing Foam?

No worries—just give us a shout. Our experienced team is here to help you choose the right foam, fabric, and shape. Honest advice, no jargon, no drama.

 

 

 

Our sister website www.thefoamshop.co.uk