Square / Rectangle Mattress

How to order a Square Rectangle 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 if 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 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 MEMORY FOAM MATTRESS TOPPER

This advanced memory foam is designed to provide exceptional comfort and support while keeping you cool throughout the night. Infused with cooling gel technology, it helps regulate temperature, preventing heat buildup and ensuring a restful sleep. Ideal for those who prefer a plush, breathable sleeping surface with enhanced pressure relief.

Properties
Comfort Level : SOFT
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

AIRFLOW COMBO

AIRFLOW COMBO- Base layer V38 firm, Mid layer high density castellated foam, Top layer Vasco 50 high density memory foam, THIS PRODUCT IS UNSUITABLE FOR MATTRESSES UNDER 17CM THICK.

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

Your Created Product

Measurements

Choose Comfort Level

FROM £3.00

Description

Custom Square / Rectangle Mattress

Precision-Cut Comfort for Campervans, Caravans, Boats & Motorhomes

Ordering your custom Square / Rectangle Mattress is quick and hassle-free. Just enter your measurements, select your preferred foam or memory foam option, and we’ll craft a mattress that fits your space perfectly. Whether you’re upgrading a campervan, motorhome, boat berth, or static caravan, we build to fit your lifestyle—without compromise.


Next-Level Comfort Backed by Smart Fabric Technology

We don’t just deliver foam—we deliver better sleep. Every Square or Rectangle Mattress comes with the option of a  removable, zip-off washable cover for ultimate convenience and long-lasting cleanliness.

Choose from three premium fabric technologies:

Cooltech™ Quilted Covers

  • Soft-touch feel with a breathable quilted finish

  • Promotes airflow to keep you cool at night

  • Helps regulate temperature for deeper, more restful sleep

    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

  • Sustainable, plant-based fibre made from wood pulp

  • Naturally breathable and kind to sensitive skin

  • Popular with premium bedding and fashion brands

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

Tough on Spills, Easy on Effort: Easy Clean Technology

Real life is messy. That’s why we offer our Square / Rectangle Mattress in Easy Clean fabric—made to handle whatever life throws at it. From muddy paws to morning coffee mishaps, this clever material resists absorption and wipes clean in seconds.

A Great Choice For:

  • Families with young children

  • Pet owners

  • Travel setups that see daily wear and tear

It’s the practical solution for low-maintenance Square / Rectangle Mattress without sacrificing style or comfort.

Easy Clean Mattress Fabrics
Breathable Easy Clean for Added Protection

Say Hello to Your New Favourite Pillow

Custom Comfort Meets Cool, Sustainable Sleep

Complete your sleep setup with our Shredded Memory Foam Pillow, featuring a cooling, breathable TENCEL™ cover. This pillow offers adjustable support and eco-friendly comfort all in one clever design.

With a zipped, adjustable fill, you can control the loft to suit your sleep style—soft and low or firm and full. Your sleep, your way.

Why You’ll Love It:

✔ Cooling, breathable TENCEL™ cover
✔ Hypoallergenic and eco-conscious
✔ Zipped design with adjustable shredded foam fill
✔ Machine washable for easy care

One pillow. Endless comfort.
Perfectly tailored sleep, every single night.

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 experience in custom foam cutting and upholstery, we know how to get it right—first time. Whether you’re building out a van, upgrading a boat mattress, or replacing tired caravan bedding, we combine expert advice with precision craftsmanship.


Need Help or Advice?

Not sure where to start? No problem. Our team is here to help with foam selection, fabric options, or measuring guidance. Reach out anytime—you’re in safe, experienced hands.


 

 

Our sister website www.thefoamshop.co.uk