Round-top Foam Cut to Size

How to order:

  Choose another shape 

  • Choose your measurements mm’s cm’s or inches
  • Enter your sizes in the boxes provided
  • Choose which grade of foam best suites your requirements.
  • Add Dacron Polyester Wrap & Stockinette
  • Check shape, Amend or Send to Cart.

Need Covers & Upholstery ?

A drawing or template my be required for this shape 

Measurements

Measurements

Reference Image

Foam Grade

BUDGET LIGHTWEIGHT FOAM V28

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.

Grade
V28
Density
28 kg / m3
Properties
Flame Retardant
Not Suitable For Seating

STANDARD FIRM RX33 (BLUE)

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  

Grade
RX33
Notional Hardness
200 N
Density
33 kg / m3
Properties
Flame Retardant
Firm, Medium Density Foam

PREMIUM HIGH FIRM RX39 (BLUE)

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

Grade
RX39/200
Density
39 kg / m3
Properties
Flame Retardant
Highly Recommended Firm Seating & Mattress Foam

PREMIUM MEDIUM FIRM REFLEX 40H (GREY)

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.

Grade
REFLEX 40 H
Notional Hardness
150 N
Density
40 kg / m3
Properties
Flame Retardant
Highly Recommended, High Density, Medium Firm, Seating & Mattress Foam

STANDARD MEDIUM FIRM RX36 (BEIGE)

Medium density, medium firm foam offers instant recovery after use and consistent shape retention over many years. Excellent for deep fill armchair cushions, sofa cushions, or as a mattress of 5” thickness or above

Grade
RX36
Notional Hardness
125 N
Density
36 kg / m3
Properties
Flame Retardant

6LB RECONSTITUTED FIRM FOAM

Recon foam is a tough, contract-grade option made for high-impact use. It’s commonly used in wheelchair seating, church kneelers, bar stools, bench seating, and protective packaging. Known for its durability and density, perfect for applications that need extra firmness and longevity.

Grade
Recon 6lb
Notional Hardness
230 N
Density
95 kg / m3
Properties
Flame Retardant

SUPERIOR HIGH DENSITY FIRM RG50 (WHITE)

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
Properties
Flame Retardant

SUPERIOR HIGH DENSITY MEDIUM FIRM REFLEX 50 (PINK)

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.

Grade
REFLEX 50
Notional Hardness
135 N
Density
50 kg / m3
Properties
Flame Retardant

SOFT BACK CUSHION FOAM V24 (WHITE)

V25 is a soft, low-density foam perfect for replacing the back cushions of your sofa. It offers gentle support with a plush feel, helping restore comfort and shape without being too firm. Easy to work with and great for low-impact use, it’s a popular choice for giving tired cushions a fresh, cosy upgrade.

Grade
V24
Notional Hardness
65 N
Density
24 kg / m3
Properties
Flame Retardant
Highly Recommended Substitute for Fibre or Feather Back Cushions.

LIGHTWEIGHT PACKAGING FOAM RX28 (DARK GREY)

The RX28 is a medium-density foam perfect for upholstery, deep buttoning, and packaging, offering support and comfort.

Grade
RX28
Notional Hardness
150 N
Density
28 kg / m3
Properties
Flame Retardant

VASCO 50 MEMORY FOAM (WHITE/ YELLOW)

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.

Grade
VASCO 50
Notional Hardness
65 N
Density
50 kg / m3
Properties
Flame Retardant

MEMORY FOAM (VASCO 60)

60 kg per cu/m high density memory foam.

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

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

RX39 FIRM / MEMORY FOAM 1" (2.5cm) COMBO

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

Grade
RX39 / Memory Combo
Density
40 kg / m3
Properties
Flame Retardant

RX39 FIRM/ MEMORY FOAM (2") COMBO

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

Grade
RX39 / Memory Combo
Density
40 kg / m3
Properties
Flame Retardant

50/50 COMBO RX39 FIRM & MEMORY

50/50 RX39 Firm Foam & Memory Foam Combo A perfect blend of comfort and support — RX39 firm foam provides a solid base, while memory foam contours to the body for pressure relief. Ideal for dog beds, wheelchair seats, and pressure cushions where durability and comfort matter most.

Grade
RX39 / Vasco 50
Properties
Flame Retardant

MEDIUM FIRM REFLEX 40 / MEMORY 1" COMBO

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″.

Grade
Reflex 40
Notional Hardness
135 N
Room Temp. Hardness
135 N
Density
40 kg / m3
Properties
Flame Retardant

MEDIUM FIRM REFLEX 40 / 2" MEMORY COMBO

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″.

Grade
Reflex 40 H / v50
Notional Hardness
135 N
Room Temp. Hardness
135 N
Density
36 kg / m3
Properties
Flame Retardant

10PPI RETICULATED FOAM

This is a special open-cell foam that lets air and water pass through easily. It’s highly resistant to moisture, making it perfect for things like water and air filters. It’s tough against chemicals, salt water, oils, soaps, and even fuel — so it’s great for industrial use. Common uses include water treatment, air filters, humidifiers.

Grade
10 PPI
Density
24 kg / m3
Properties
Not Fire Retardant (None F/R)
Colour Blue

30PPI RETICULATED FOAM

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.

Properties
Not Fire Retardant (None F/R)
Perfect for Outdoor Seating

45PPI RETICULATED FOAM

Open-cell foam with excellent water and humidity resistance — perfect for filtration, outdoor use, and ventilation systems. It’s chemical-resistant, reusable, and supports microbial growth for environmental applications. Common uses: water/air filters, humidifiers, acoustic panels, and industrial treatment systems.    

Properties
Not Flame Retardant (None F/R)

Your Created Product

Measurements

Foam Grade

FROM £15.00

Description

Order your Round-top foam shape in 5 simple steps:

With lots of shapes and foam grade to choose from. Experience spanning 3 generations. A simple to use 5 step ordering processes. A price promise. Competitive prices that are checked against our competitors on a weekly basis. You can rest-assured your Round-top foam shape is in safe hands.

Please ensure that you follow the ABC’s in the correct order as shown in the reference shape. Once you enter the last measurement you will be presented with an animated image of the shape ordered. If the shape is not as expected it likely you may not have followed the reference shape correctly. In any event and you need help of advice Contact us

Trade enquiries welcome and priced accordingly once trade price status is verified.

MADE TO MEASURE CUSHION COVERS   Click here

 

www.thefoamshop.co.uk