Square/Rectangle Split Mattress 

How to order a Square/Rectangle Split 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 a Cover as required.
  5. Review your order and add to cart.

Please check the lead time for all options chosen.

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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 VASCO 50

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

Properties
Comfort Level: SOFT
Density : HIGH

COOLING REVO 60KG MEMORY FOAM

Grade REVO Notional Hardness 60 N Medium firm (Atr) Density 60 kg / m3  Properties Flame Retardant  

Grade
REVO60
Notional Hardness
60 N
Room Temp. Hardness
60 N
Density
60 kg / m3

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
  • FIXED PRICE COVERS
    OPTIONS
    MEMORY FOAM PILLOW
    CUSTOM COVERS & UPHOLSTERY
    Contact us for Pricing

Your Created Product

Measurements

Choose Your Comfort Level

FROM £57.00

Description

Custom Square / Rectangle Split Mattress

Two-Piece Comfort, One Perfect Fit

The Square/Rectangle Split Mattress  is ideal for bed layouts that need flexibility without sacrificing comfort—common in campervans, caravans, motorhomes, and boats. Whether you’re dealing with limited access, storage under the bed, or simply prefer a split setup, this mattress is cut to your exact measurements and foam preference to give you a perfect, snug fit every time.

Just enter your dimensions, choose your foam or memory foam grade, and we’ll build each half with precision and care.


Optional Covers in Three Premium Fabrics

Make life easier with our optional removable, zip-off washable covers—custom-fitted to each Square/Rectangle Split Mattress section and built to last through years of travel.

Choose from three premium fabric finishes:

Cooltech™ Quilted Covers

  • Breathable and luxuriously soft

  • Quilted to promote airflow and reduce heat build-up

  • Great for warmer nights and summer travel

    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 sustainable wood pulp

  • Naturally moisture-wicking, breathable, and hypoallergenic

  • Smooth, eco-conscious, and ideal for sensitive skin

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

Easy Clean Fabric

  • Resists spills, stains, and everyday wear

  • Wipes down in seconds with minimal fuss

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

    Easy Clean Mattress Fabrics
    Breathable Easy Clean for Added Protection

Smart, Practical, and Ready for the Road

Split mattresses make lifting, storing, and accessing under-bed areas much easier—especially in smaller living spaces. Add our Easy Clean fabric and you’ve got a low-maintenance solution that’s built to handle real life on the move.


Upgrade Your Sleep Setup with a TENCEL™ Pillow

Comfort You Control, Wherever You Go

Our Shredded Memory Foam Pillow with a breathable TENCEL™ cover is adjustable to your sleep style—whether you like it soft and low or firm and supportive. With a zipped fill system, it’s easy to customise your comfort.

Pillow Highlights:

✔ Cooling and breathable TENCEL™
✔ Adjustable shredded memory foam fill
✔ Hypoallergenic and eco-friendly
✔ Machine washable cover

One pillow. Endless comfort. Sleep your way.

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

 


Why Choose Foam 4 U?

We’ve been cutting foam and building custom mattresses for over three generations. From straight rectangles to complex split designs, we bring craftsmanship, precision, and solid customer service to every job—no gimmicks, just great sleep.


Not Sure Where to Start? We’ve Got You.

Need help measuring? Not sure which foam suits your setup best? Just get in touch. We’ll guide you through it with clear, honest advice from people who know their stuff.

 

 

Our sister website www.thefoamshop.co.uk